US3124427A - Tkrough-wall flashing structures having - Google Patents

Tkrough-wall flashing structures having Download PDF

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US3124427A
US3124427A US3124427DA US3124427A US 3124427 A US3124427 A US 3124427A US 3124427D A US3124427D A US 3124427DA US 3124427 A US3124427 A US 3124427A
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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62—Insulation or other protection; Elements or use of specified material therefor
    • E04B1/64—Insulation or other protection; Elements or use of specified material therefor for making damp-proof; Protection against corrosion
    • E04B1/644—Damp-proof courses
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/12—All metal or with adjacent metals
    • Y10T428/1241—Nonplanar uniform thickness or nonlinear uniform diameter [e.g., L-shape]

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  • Through-wall flashing comprises generally flexible corrosion-resistant sheets which are formed into structures of appropriate shapes and sizes and built into exterior walls foundations and window structures-for water-proofing and damp-proofing purposes.
  • Such flashing acts as a barrier and drainage course for water seepage and is used for waterproofing such portions of a building as, for example, spandrels, window heads and window sills, parape-ts and tops of foundations.
  • Modern masonry Walls, which are usually thin curtain walls in particular require such water-proofing since driving rain, shrinkage of materials and building movement can cause leaks through mortar joints.
  • the through-Wall flashing is embedded in the wall to prevent rain water or moisture that may leak into the exterior wall from coming in contact with steel or wood members in the wall and seeping into the inside of the building.
  • Various through-wall flashing materials are currently in use. These include, for example, copper sheet and thin copper foil laminated or backed with a bituminousirnpregnated web.
  • the copper sheet as sold commercially is usually corrugated or ridged in a parallel form -to provide strength, aid in bonding to the mortar and avoid the cracking caused by expansion and contraction.
  • previously described flashing materials have one or more disadvantages which tend to limit their use in building construction.
  • pure copper is quite expensive
  • the less expensive thin copper-clad backings or reinforcedasphalt areuot as durable.
  • Thick-copper sheets are difficult for the roofer to form while thin copper sheets tend to crack moreeasily.
  • Other metals or alloys which are resistant to water are affected by the alkaline exudate of mortar.
  • One object of this invention is to provide an inexpensive, durable, flexible flashing material which can be readily used by the builder for through-wall flashing.
  • a further object of this invention is to provide such flashing which has an effective mortar bond under all installation conditions and will resist the forces of exmade in accordance with this invention.
  • FIG. 2 is an enlargement of a portion of PEG. 1.
  • FIG. 3 is a section 33 of a portion of FIG. 2.
  • FIG. 4 is a vertical section of a flashing structuremade from the'strip of this invention and installed in a window head.
  • This invention comprises generally a rectangular strip "ice of flexible water-resistant material having spaced, nonin-tersecting grooves on its top surface and corresponding ridges on its bottom surface.
  • the grooves are arranged in two sets of parallel bands, all of uniform width. Each band of one set alternates with and is adjacent to a band of the second set. Each band has a uniform array of grooves extending the length of the band. All bands have uniform longitudinal margins which are flat on both surfaces. The spacing between adjacent grooves is uniform in all bands. All the grooves in one-set of bands are disposed at a first identical angle of less than with respect -to the width of the strip. All the grooves in the second set are at a second identical angle which is the supplement of .the first angle. It is -generally preferred that the first angle be between 15 and 75.
  • the flashing structure is made by cutting the strip transversely and longitudinally to form a piece of appropriate size and shape and then bending the piece into the desired form for insertion into the building structure.
  • the bands make an angle of approximately 60 with the width of the strip and have the groove angle of one set of bands be 60 with the width of the strip, the groove angles of the other set of bands forming anangle of with the width of the strip, giving the general appearance of equilateral triangles.
  • the material from which the strip is made can be any durable water-resistant material of sufficient flexibility for bending into the shape of a flashing structure.
  • it is generally preferred that it be a metal as, for example, copper, zinc, alloy, aluminum, galvanized iron, etc. Copper is generally regarded as the most durable of water-resistant flexible metals but ;;it is an important feature of this invention that copper-need not be used.
  • both surfaces of the metal canbe coated with a resistant coating which will withstand the action of the common exudates in masonry structures such as 1bases.
  • the resistant coating bases that can be used are thermo-plastic polymers such as epoxy resins, acrylic resins and vinyl copolymers. Where metals other than copper are used it is important that such resistant coating be employed.
  • FIG. 1 illustrates the top surface of a rectangular strip of approximately 2 feet wide and 4 feet long made in accordance with this in- 'vention.
  • the scale is "-one foot.
  • the surface comprises parallel adjacent alternating uniform-width bands each forming an angle of 60 with the width of the strip.
  • the bands 11 alternate with the bands 13.
  • the grooves 12 in the bands 11 are parallel to each other and to the long dimension of the bands and extend thelength of the band.
  • the grooves 14 in the bands 13 are .parallel ,to each other but are at a 60 angle with the long dimension of the bands, and 120 with the width ofthe strip.
  • the longitudinal mar-gins of the bands are flat on both surfaces and are of uniform width.
  • the strip which in this case ,is an essentially non-cuprous water-resistant metal, such as galvanized iron, zinc alloy or aluminum, is coated with a liquid-resistant coating 15 on the top surface and 16 on the bottom surface.
  • a portion 23 of the strip is cut and bent to form a flashing structure as illustrated in FIGURE 4.
  • the flashing is set into the window head structure with its brick exterior wall 21, interior wooden framing 22, interior wall 24 and window 25. Any moisture that comes down onto the flashing from any direction is conducted to the outside with the aid of the singularly-disposed grooves.
  • a rectangular strip of flexible water-resistant metal having spaced, non-intersecting grooves on its top surface and 7 corresponding ridges on its bottom surface; the grooves being arranged as arrays in two sets of parallel bands; each band of one set alternating with and being adjacent to a band of the second set; the array of grooves in any band extending the length of the band; the spacing between adjacent grooves being uniform in all hands; all bands being of uniform width and having uniform logitudinal margins which are flat on both surfaces; all the grooves in one set being at a first identical angle of less than 90 with respect to the width of the strip; all the grooves in the second set being at a second identical angle which is the supplement to said first angle.
  • a rectangular strip of flexible water-resistant material having spaced, non-intersecting grooves on its top surface and corresponding ridges on its bottom surface; the grooves being arranged as arrays in two sets of parallel bands; a band of one set alternating with and being adjacent to a band of the second set; the array of grooves in any band extending the length of the band; the spacing between adjacent grooves being uniform in all bands; all bands being of uniform width and having uniform longitudinal margins which are flat on both surfaces; all the grooves in one set being at a first identical angle of less than 90 with respect to the width of the strip; all the grooves in the second set being at a second identical angle which is the supplement to said first angle; said strip comprising metal coated on both surfaces with a base-resistant coating.
  • a rectangular strip of flexible water-resistant material having spaced, non-intersecting grooves on its top surface and corresponding ridges on its bottom surface; the grooves being arranged as arrays in two sets of parallel bands; a band of one set alternating with and being adjacent to a band of the second set; the array of grooves in any band extending the length of the band; the spacing between adjacent grooves being uniform in all bands; all bands being of uniform width and having uniform longitudinal margins which are flat on both surfaces; all the grooves in one set being at a first identical angle of less than 90 with respect to the width of the strip; all the grooves in the second set being at a second identical angle which is the supplement to said first angle; said strip comprising metal coated on both surfaces with a coating having as its base a resin selected from the group consisting of epoxy, acrylic and vinyl resins.
  • a flashing structure formed from a rectangular strip of flexible water-resistant material having spaced, nonintersecting grooves on its top surface and corresponding ridges on its bottom surface; the grooves being arranged as arrays in two sets of parallel bands; at band of one set alternating with and being adjacent to a band of the second set; the array of grooves in any band extending the length of the band; the spacing between adjacent grooves being uniform in all hands; all bands being of uniform width and having uniform longitudinal margins which are flat on both surfaces; all the grooves in one set being d at a first identical angle of less than with respect to the width of the strip; all the grooves in the second set being at a second identical angle which is the supplement to said first angle, said strip comprising metal coated on both surfaces with a base-resistant coating.
  • a flashing structure formed from a rectangular strip of flexible water-resistant material having spaced, nonintersecting grooves on its top surface and corresponding ridges on its bottom surface; the grooves being arranged as arrays in two sets of parallel bands; a band of one set alternating with and being adjacent to a band of the second set; the array of grooves in any band extending the length of the band; the spacing between adjacent grooves being uniform in all bands; all bands being of uniform width and having uniform longitudinal margins which are flat on both surfaces; all the grooves in one set being at a first identical angle of less than 90 with respect to the width of the strip; all the grooves in the second set being at a second identical angle which is the supplement to said first angle; said strip comprising metal coated on both surfaces with a coating having as its base a resin selected from the group consisting of epoxy, acrylic and vinyl resins.
  • a rectangular strip of flexible water-resistant metal having spaced non-intersecting grooves on its top surface and corresponding ridges on its bottom surface; the grooves being arranged as arrays in two sets of parallel bands; each band of one set alternating with and being adjacent to a band of the second set; the array of grooves in any band extending the length of the band; the spacing between adjacent grooves being uniform in all bands; the bands forming an angle of about 60 with the width of the strip; all bands being of uniform width and having longitudinal margins which are flat on both surfaces; all the grooves in one set being at an angle of about 60 with respect to the width of the strip; all the grooves in the other set being at an angle of about with respect to the width of the strip.
  • a rectangular strip of flexiblewater-resistant material having spaced non-intersecting grooves on its top surface and corresponding ridges on its bottom surface; the grooves being arranged as arrays in two sets of parallel bands; each band of one set alternating with and being adjacent to a band of the second set; the array of grooves in any band extending the length of the band; the spacing between adjacent grooves being uniform in all bands; the bands forming an angle of about 60 with the width of the strip; all bands being of uniform width and having longitudinal margins which are flat on both surfaces; all the grooves in one set being at an angle of about 60 with respect to the width of the strip; all the grooves in the other set being at an angle of about 120 with respect to the width of the strip; said strip comprising metal coated on both surfaces with a base-resistant coating.
  • a flashing structure formed from a rectangular strip of flexible water-resistant metal having spaced non-intersecting grooves on its top surface and corresponding ridges on its bottom surface; the grooves being arranged as arrays in two sets of parallel bands; each band of one set alternating with and being adjacent to a band of the second set; the array of grooves in any band extending the length of the band; the spacing between adjacent grooves being uniform in all bands; the bands forming an angle of about 60 with the width of the strip; all bands being of uniform width and having longitudinal margins which are fiat on both surfaces; all the grooves in one set being at an angle of about 60 with respect to the width of the strip; all the grooves in the other set being at an angle of about 120 with respect tovthe width of the strip.
  • a flashing structure formed from a rectangular strip of flexible water-resistant material having spaced non-intersecting grooves on its top surface and corresponding ridges on its bottom surface; the grooves being arranged as arrays in two sets of parallel bands; each band of one set alternating with and being adjacent to a band of the second set; the array of grooves in any band extending the length of the band; the spacing between adjacent grooves being uniform in all bands; the bands forming an angle of about 60 with the width of the strip; all bands being of uniform width and having longitudinal margins which are flat on both surfaces; all the grooves in one set being at an angle of about 60 with respect to the width of the strip; all the grooves inthe other set being at an angle of about 120 with respect to the Width of the strip; said strip comprising metal coated on both surfaces with a base-resistant coating.
  • a rectangular strip of durable, water-resistant masecond set ; the array of grooves in any band extending the length ot'the band; the spacing between adjacent grooves being uniform in all hands; all bands being of References Cited in the file of this patent UNITED STATES PATENTS 1,906,674 Voegeli May 2, 1933 2,076,990 Harriss Apr. 13, 1937 2,271,233 Smith et-al Jan. 27, 1942 2,802,897 Hurd et al Aug. 13, 1957

Description

March 10, 1964 H. CHOMES THROUGH-WALL FLASHING STRUCTURES HAVING IFIG.4
INVENTOR. HARRY CHOMES BY 4% I fl TTORNEY.
United States Patent 3 124 427 THROUGH-WALL I LA HING STRUCTURES HA-VWG A SPECIFIC GROOVE GE- MENT Harry Chomes, 29 Jameson Road, Newton 58, Mass. Filed Apr. 26, 1961, Ser. No. 105,749 11 Claims. (Cl. 29-183) This invention relates to improved through-wall flashing structures and to a novel material from which such flashing can be formed.
Through-wall flashing comprises generally flexible corrosion-resistant sheets which are formed into structures of appropriate shapes and sizes and built into exterior walls foundations and window structures-for water-proofing and damp-proofing purposes. Such flashing acts as a barrier and drainage course for water seepage and is used for waterproofing such portions of a building as, for example, spandrels, window heads and window sills, parape-ts and tops of foundations. Modern masonry Walls, which are usually thin curtain walls, in particular require such water-proofing since driving rain, shrinkage of materials and building movement can cause leaks through mortar joints. The through-Wall flashing is embedded in the wall to prevent rain water or moisture that may leak into the exterior wall from coming in contact with steel or wood members in the wall and seeping into the inside of the building.
Various through-wall flashing materials are currently in use. These include, for example, copper sheet and thin copper foil laminated or backed with a bituminousirnpregnated web. The copper sheet as sold commercially is usually corrugated or ridged in a parallel form -to provide strength, aid in bonding to the mortar and avoid the cracking caused by expansion and contraction. However, previously described flashing materials have one or more disadvantages which tend to limit their use in building construction. Thus, for example, pure copper is quite expensive While the less expensive thin copper-clad backings or reinforcedasphalt areuot as durable. Thick-copper sheets are difficult for the roofer to form while thin copper sheets tend to crack moreeasily. Other metals or alloys which are resistant to water are affected by the alkaline exudate of mortar.
Further, regardless of the nature of the material used, previously described flashing materials, when formed into flashing structures in a building, often tend toaccurnulate internal pools of moisture which do not drain and hence cause perforations or separations of the flashing structure.
One object of this invention is to provide an inexpensive, durable, flexible flashing material which can be readily used by the builder for through-wall flashing.
A further object of this invention is to provide such flashing which has an effective mortar bond under all installation conditions and will resist the forces of exmade in accordance with this invention.
FIG. 2 is an enlargement of a portion of PEG. 1. FIG. 3 is a section 33 of a portion of FIG. 2. FIG. 4 is a vertical section of a flashing structuremade from the'strip of this invention and installed in a window head.
This invention comprises generally a rectangular strip "ice of flexible water-resistant material having spaced, nonin-tersecting grooves on its top surface and corresponding ridges on its bottom surface. The grooves are arranged in two sets of parallel bands, all of uniform width. Each band of one set alternates with and is adjacent to a band of the second set. Each band has a uniform array of grooves extending the length of the band. All bands have uniform longitudinal margins which are flat on both surfaces. The spacing between adjacent grooves is uniform in all bands. All the grooves in one-set of bands are disposed at a first identical angle of less than with respect -to the width of the strip. All the grooves in the second set are at a second identical angle which is the supplement of .the first angle. It is -generally preferred that the first angle be between 15 and 75.
The flashing structure is made by cutting the strip transversely and longitudinally to form a piece of appropriate size and shape and then bending the piece into the desired form for insertion into the building structure.
In particular, it has been found most effective to have the. bands make an angle of approximately 60 with the width of the strip and have the groove angle of one set of bands be 60 with the width of the strip, the groove angles of the other set of bands forming anangle of with the width of the strip, giving the general appearance of equilateral triangles.
As regards the material from which the strip is made it can be any durable water-resistant material of sufficient flexibility for bending into the shape of a flashing structure. However, it is generally preferred that it be a metal as, for example, copper, zinc, alloy, aluminum, galvanized iron, etc. Copper is generally regarded as the most durable of water-resistant flexible metals but ;;it is an important feature of this invention that copper-need not be used. Thus, both surfaces of the metal canbe coated with a resistant coating which will withstand the action of the common exudates in masonry structures such as 1bases. Among the resistant coating bases that can be used are thermo-plastic polymers such as epoxy resins, acrylic resins and vinyl copolymers. Where metals other than copper are used it is important that such resistant coating be employed.
Referring now to the drawings, FIG. 1 illustrates the top surface of a rectangular strip of approximately 2 feet wide and 4 feet long made in accordance with this in- 'vention. The scale is "-one foot. The surface. comprises parallel adjacent alternating uniform-width bands each forming an angle of 60 with the width of the strip. The bands 11 alternate with the bands 13. The grooves 12 in the bands 11 are parallel to each other and to the long dimension of the bands and extend thelength of the band. The grooves 14 in the bands 13 are .parallel ,to each other but are at a 60 angle with the long dimension of the bands, and 120 with the width ofthe strip. The longitudinal mar-gins of the bands are flat on both surfaces and are of uniform width.
As illustrated in FIGURE 3, the strip, which in this case ,is an essentially non-cuprous water-resistant metal, such as galvanized iron, zinc alloy or aluminum, is coated with a liquid-resistant coating 15 on the top surface and 16 on the bottom surface.
A portion 23 of the strip is cut and bent to form a flashing structure as illustrated in FIGURE 4. The flashing is set into the window head structure with its brick exterior wall 21, interior wooden framing 22, interior wall 24 and window 25. Any moisture that comes down onto the flashing from any direction is conducted to the outside with the aid of the singularly-disposed grooves.
Because of the groove and ridge construction ofthis invention not only is drainage superior, but bonding'of the flashing "to the mortar is markedly improved. :Further, relatively inexpensive water-resistant flexible metals such as zinc, zinc alloy, aluminum and galvanized iron 7 can be used in this invention to yield a durable product.
I claim:
1. A rectangular strip of flexible water-resistant metal having spaced, non-intersecting grooves on its top surface and 7 corresponding ridges on its bottom surface; the grooves being arranged as arrays in two sets of parallel bands; each band of one set alternating with and being adjacent to a band of the second set; the array of grooves in any band extending the length of the band; the spacing between adjacent grooves being uniform in all hands; all bands being of uniform width and having uniform logitudinal margins which are flat on both surfaces; all the grooves in one set being at a first identical angle of less than 90 with respect to the width of the strip; all the grooves in the second set being at a second identical angle which is the supplement to said first angle.
2. A rectangular strip of flexible water-resistant material having spaced, non-intersecting grooves on its top surface and corresponding ridges on its bottom surface; the grooves being arranged as arrays in two sets of parallel bands; a band of one set alternating with and being adjacent to a band of the second set; the array of grooves in any band extending the length of the band; the spacing between adjacent grooves being uniform in all bands; all bands being of uniform width and having uniform longitudinal margins which are flat on both surfaces; all the grooves in one set being at a first identical angle of less than 90 with respect to the width of the strip; all the grooves in the second set being at a second identical angle which is the supplement to said first angle; said strip comprising metal coated on both surfaces with a base-resistant coating.
3. A rectangular strip of flexible water-resistant material having spaced, non-intersecting grooves on its top surface and corresponding ridges on its bottom surface; the grooves being arranged as arrays in two sets of parallel bands; a band of one set alternating with and being adjacent to a band of the second set; the array of grooves in any band extending the length of the band; the spacing between adjacent grooves being uniform in all bands; all bands being of uniform width and having uniform longitudinal margins which are flat on both surfaces; all the grooves in one set being at a first identical angle of less than 90 with respect to the width of the strip; all the grooves in the second set being at a second identical angle which is the supplement to said first angle; said strip comprising metal coated on both surfaces with a coating having as its base a resin selected from the group consisting of epoxy, acrylic and vinyl resins.
4. A flashing structure formed frorn a rectangular strip of flexible water-resistant metal having spaced, non-inter- :secting grooves on its top surface and corresponding ridges on its bottom surface; the grooves being arranged as arrays in two sets of parallel bands; a band of one set alternating with and being adjacent to a band of the second set; the array of grooves in any band extending the length of the band; the spacing between adjacent grooves being uniform in all bands; all bands being of uniform width and having uniform longitudinal margins which are flat on both surfaces; all the grooves in one set being at a first identical angle of less than 90 with respect to the width of the strip; all the grooves in the second set being at a second identical angle which is the .supplement to said first angle.
5. A flashing structure formed from a rectangular strip of flexible water-resistant material having spaced, nonintersecting grooves on its top surface and corresponding ridges on its bottom surface; the grooves being arranged as arrays in two sets of parallel bands; at band of one set alternating with and being adjacent to a band of the second set; the array of grooves in any band extending the length of the band; the spacing between adjacent grooves being uniform in all hands; all bands being of uniform width and having uniform longitudinal margins which are flat on both surfaces; all the grooves in one set being d at a first identical angle of less than with respect to the width of the strip; all the grooves in the second set being at a second identical angle which is the supplement to said first angle, said strip comprising metal coated on both surfaces with a base-resistant coating.
6. A flashing structure formed from a rectangular strip of flexible water-resistant material having spaced, nonintersecting grooves on its top surface and corresponding ridges on its bottom surface; the grooves being arranged as arrays in two sets of parallel bands; a band of one set alternating with and being adjacent to a band of the second set; the array of grooves in any band extending the length of the band; the spacing between adjacent grooves being uniform in all bands; all bands being of uniform width and having uniform longitudinal margins which are flat on both surfaces; all the grooves in one set being at a first identical angle of less than 90 with respect to the width of the strip; all the grooves in the second set being at a second identical angle which is the supplement to said first angle; said strip comprising metal coated on both surfaces with a coating having as its base a resin selected from the group consisting of epoxy, acrylic and vinyl resins.
7. A rectangular strip of flexible water-resistant metal having spaced non-intersecting grooves on its top surface and corresponding ridges on its bottom surface; the grooves being arranged as arrays in two sets of parallel bands; each band of one set alternating with and being adjacent to a band of the second set; the array of grooves in any band extending the length of the band; the spacing between adjacent grooves being uniform in all bands; the bands forming an angle of about 60 with the width of the strip; all bands being of uniform width and having longitudinal margins which are flat on both surfaces; all the grooves in one set being at an angle of about 60 with respect to the width of the strip; all the grooves in the other set being at an angle of about with respect to the width of the strip.
8. A rectangular strip of flexiblewater-resistant material having spaced non-intersecting grooves on its top surface and corresponding ridges on its bottom surface; the grooves being arranged as arrays in two sets of parallel bands; each band of one set alternating with and being adjacent to a band of the second set; the array of grooves in any band extending the length of the band; the spacing between adjacent grooves being uniform in all bands; the bands forming an angle of about 60 with the width of the strip; all bands being of uniform width and having longitudinal margins which are flat on both surfaces; all the grooves in one set being at an angle of about 60 with respect to the width of the strip; all the grooves in the other set being at an angle of about 120 with respect to the width of the strip; said strip comprising metal coated on both surfaces with a base-resistant coating.
9. A flashing structure formed from a rectangular strip of flexible water-resistant metal having spaced non-intersecting grooves on its top surface and corresponding ridges on its bottom surface; the grooves being arranged as arrays in two sets of parallel bands; each band of one set alternating with and being adjacent to a band of the second set; the array of grooves in any band extending the length of the band; the spacing between adjacent grooves being uniform in all bands; the bands forming an angle of about 60 with the width of the strip; all bands being of uniform width and having longitudinal margins which are fiat on both surfaces; all the grooves in one set being at an angle of about 60 with respect to the width of the strip; all the grooves in the other set being at an angle of about 120 with respect tovthe width of the strip.
10. A flashing structure formed from a rectangular strip of flexible water-resistant material having spaced non-intersecting grooves on its top surface and corresponding ridges on its bottom surface; the grooves being arranged as arrays in two sets of parallel bands; each band of one set alternating with and being adjacent to a band of the second set; the array of grooves in any band extending the length of the band; the spacing between adjacent grooves being uniform in all bands; the bands forming an angle of about 60 with the width of the strip; all bands being of uniform width and having longitudinal margins which are flat on both surfaces; all the grooves in one set being at an angle of about 60 with respect to the width of the strip; all the grooves inthe other set being at an angle of about 120 with respect to the Width of the strip; said strip comprising metal coated on both surfaces with a base-resistant coating.
11. A rectangular strip of durable, water-resistant masecond set; the array of grooves in any band extending the length ot'the band; the spacing between adjacent grooves being uniform in all hands; all bands being of References Cited in the file of this patent UNITED STATES PATENTS 1,906,674 Voegeli May 2, 1933 2,076,990 Harriss Apr. 13, 1937 2,271,233 Smith et-al Jan. 27, 1942 2,802,897 Hurd et al Aug. 13, 1957

Claims (1)

1. A RECTANGULAR STRIP OF FLEXIBLE WATER-RESISTANT METAL HAVING SPACED, NON-INTERSECTING GROOVES ON ITS TOP SURFACE AND CORRESPONDING RIDGES ON ITS BOTTOM SURFACE; THE GROOVES BEING ARRANGED AS ARRAYS IN TWO SETS OF PARALLEL BANDS; EACH BAND OF ONE SET ALTERNATIG WITH AND BEING ADJACENT TO A BAND OF THE SECOND SET; THE ARRAY OF GROOVES IN ANY BAND EXTENDING THE LENGTH OF THE BAND; THE SPACING BETWEEN ADJACENT GROOVES BEING UNIFORM IN ALL BANDS; ALL BANDS BEING OF UNIFORM WIDTH AND HAVING UNIFORM LONGITUDINAL MARGINS WHICH ARE FLAT ON BOTH SURFACES; ALL THE GROOVES IN ONE SET BEING AT A FIRST IDENTICAL ANGLE OF LESS THAN 90* WITH RESPECT TO THE WIDTH OF THE STRIP; ALL THE GROOVES IN THE SECOND SET BEING AT A SECOND IDENTICAL ANGLE WHICH IS THE SUPPLEMENT TO SAID FIRST ANGLE.
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Cited By (25)

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US4485600A (en) * 1981-11-27 1984-12-04 Olson Jerome A Compressible spacing and sealing apparatus for siding panel joints
US4528787A (en) * 1983-03-24 1985-07-16 Christer Rittinge Base plate system
US4966819A (en) * 1988-01-13 1990-10-30 Vereinigte Aluminum-Werke Ag Covering frame for windows, doors, and the like
US5381632A (en) * 1993-05-03 1995-01-17 Damron; Matthew Chimney flashing system
US5692347A (en) * 1996-08-05 1997-12-02 Hulek; Anton J. Corrugated metal sheet
US6427390B1 (en) 2000-10-18 2002-08-06 F. Boyce Thies Foundation flashing for use in building construction
US20030221375A1 (en) * 2002-06-03 2003-12-04 Nehring Walter Wayne Directional flow flashing
US20050044807A1 (en) * 2003-09-02 2005-03-03 Rillie David W. Tubular skylight with dome flashing and protective corrugation
US20050044808A1 (en) * 2003-09-02 2005-03-03 Prenn Joseph W. Tubular skylight with dome flashing and protective waffle pattern corrugation
US20050081468A1 (en) * 2003-10-15 2005-04-21 Progressive Foam Technologies, Inc. Drainage place for exterior wall product
US20050166470A1 (en) * 2004-01-07 2005-08-04 Allen L. R. Corner flashing for windows and the like
US20070157528A1 (en) * 2006-01-06 2007-07-12 Gawoski Douglas S Bendable 'Z' head flashing
US20070214738A1 (en) * 2006-03-20 2007-09-20 Juergen Koessler Extendable drip edge
US20080229676A1 (en) * 2007-03-20 2008-09-25 Allen L Ross Sill Flashing and Associated Method
US20100043326A1 (en) * 2008-08-21 2010-02-25 Masonry Technology, Inc. Wall Structure with Moisture Diverter and Method of Making Same
US20100080362A1 (en) * 2008-09-30 2010-04-01 Avaya Inc. Unified Greeting Service for Telecommunications Events
US7762040B2 (en) 2004-08-12 2010-07-27 Progressive Foam Technologies, Inc. Insulated fiber cement siding
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US4485600A (en) * 1981-11-27 1984-12-04 Olson Jerome A Compressible spacing and sealing apparatus for siding panel joints
US4528787A (en) * 1983-03-24 1985-07-16 Christer Rittinge Base plate system
US4966819A (en) * 1988-01-13 1990-10-30 Vereinigte Aluminum-Werke Ag Covering frame for windows, doors, and the like
US5381632A (en) * 1993-05-03 1995-01-17 Damron; Matthew Chimney flashing system
US5692347A (en) * 1996-08-05 1997-12-02 Hulek; Anton J. Corrugated metal sheet
US6427390B1 (en) 2000-10-18 2002-08-06 F. Boyce Thies Foundation flashing for use in building construction
US7100331B2 (en) * 2002-06-03 2006-09-05 Walter Wayne Nehring Directional flow flashing
US20030221375A1 (en) * 2002-06-03 2003-12-04 Nehring Walter Wayne Directional flow flashing
US7040061B2 (en) 2003-09-02 2006-05-09 Solatube International, Inc. Tubular skylight with dome flashing and protective corrugation
US20050188629A1 (en) * 2003-09-02 2005-09-01 Solatube International, Inc. Tubular skylight with dome flashing and protective corrugation
US20050252111A1 (en) * 2003-09-02 2005-11-17 Solatube International Tubular skylight with dome flashing and protective waffle pattern corrugation
US20050044808A1 (en) * 2003-09-02 2005-03-03 Prenn Joseph W. Tubular skylight with dome flashing and protective waffle pattern corrugation
US7168211B2 (en) * 2003-09-02 2007-01-30 Solatube International, Inc. Tubular skylight with dome flashing and protective waffle pattern corrugation
US20050044807A1 (en) * 2003-09-02 2005-03-03 Rillie David W. Tubular skylight with dome flashing and protective corrugation
US20050081468A1 (en) * 2003-10-15 2005-04-21 Progressive Foam Technologies, Inc. Drainage place for exterior wall product
US8091313B2 (en) * 2003-10-15 2012-01-10 Progressive Foam Technologies, Inc. Drainage place for exterior wall product
US20050166470A1 (en) * 2004-01-07 2005-08-04 Allen L. R. Corner flashing for windows and the like
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US7290379B2 (en) 2004-01-07 2007-11-06 Allen L Ross Corner flashing for windows and the like
US7059087B2 (en) * 2004-01-07 2006-06-13 Allen L Ross Corner flashing for windows and the like
US20060168902A1 (en) * 2004-01-07 2006-08-03 Allen L R Corner Flashing for Windows and the Like
WO2006022843A1 (en) * 2004-08-05 2006-03-02 Solatube International, Inc. Tubular skylight with dome flashing and protective waffle pattern corrugation
US9359769B2 (en) 2004-08-12 2016-06-07 Progressive Foam Technologies, Inc. Insulated fiber cement siding
US9097024B2 (en) 2004-08-12 2015-08-04 Progressive Foam Technologies Inc. Foam insulation board
US8910443B2 (en) 2004-08-12 2014-12-16 Progressive Foam Technologies, Inc. Foam backer for insulation
US8910444B2 (en) 2004-08-12 2014-12-16 Progressive Foam Technologies, Inc. Foam insulation backer board
US7762040B2 (en) 2004-08-12 2010-07-27 Progressive Foam Technologies, Inc. Insulated fiber cement siding
US8844233B2 (en) 2004-08-12 2014-09-30 Progressive Foam Technologies, Inc. Foam insulation board with edge sealer
US8756891B2 (en) 2004-08-12 2014-06-24 Progressive Foam Technologies, Inc. Insulated fiber cement siding
US8511030B2 (en) 2004-08-12 2013-08-20 Progressive Foam Technologies, Inc. Insulated fiber cement siding
US8499517B2 (en) 2004-08-12 2013-08-06 Progressive Foam Technologies, Inc. Insulated fiber cement siding
US20070157528A1 (en) * 2006-01-06 2007-07-12 Gawoski Douglas S Bendable 'Z' head flashing
US7836640B1 (en) * 2006-03-20 2010-11-23 Pratt James M Water drainage system
US20070214738A1 (en) * 2006-03-20 2007-09-20 Juergen Koessler Extendable drip edge
US7775004B2 (en) 2007-03-20 2010-08-17 Allen L Ross Sill flashing and associated method
US20080229676A1 (en) * 2007-03-20 2008-09-25 Allen L Ross Sill Flashing and Associated Method
US20100043326A1 (en) * 2008-08-21 2010-02-25 Masonry Technology, Inc. Wall Structure with Moisture Diverter and Method of Making Same
US20100080362A1 (en) * 2008-09-30 2010-04-01 Avaya Inc. Unified Greeting Service for Telecommunications Events
US8448386B2 (en) 2009-12-11 2013-05-28 2Fl Enterprises, Llc Window remediation system and method
US20110138717A1 (en) * 2009-12-11 2011-06-16 2Fl Enterprises, Llc Window remediation system and method
US8490338B2 (en) * 2010-02-26 2013-07-23 Henkel Corporation Self adhering window flashing tape with multi-directional drainage plane
US20110209424A1 (en) * 2010-02-26 2011-09-01 Henkel Corporation Self adhering window flashing tape with multi-directional drainage plane
US10989461B2 (en) * 2016-10-04 2021-04-27 Whirlpool Corporation Structural formations incorporated within a vacuum insulated structure

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