The present invention relates to a laminate, adapted to be used as in a roof ridge vent construction, which comprises (a) a matting layer comprising randomly convoluted polymeric filaments, a portion of the matting layer comprising a plurality of truncated pyramidal cusps, with at least one outwardly...http://www.google.com.au/patents/US5960595?utm_source=gb-gplus-sharePatent US5960595 - Laminate comprising matting layer and roof construction containing the same