A frame construct for holding at least one planar mesh or membrane in set-apart relationship from a structural port(a1). Individual frame pieces, top, bottom and sides, are cut to desired lengths and joined to form a glazable frame. Shapes other than of rectangular geometry are obtainable...http://www.google.com.au/patents/US5732760?utm_source=gb-gplus-sharePatent US5732760 - Weather- or insect-proofing cover
