Ventilation barrier

Details Ventilation barrier Ventilation barrier

E - Fixed Constructions

04

B

E04B 1/62 (2006.01) A01G 9/14 (2006.01) A01K 1/00 (2006.01) B29D 22/02 (2006.01) B32B 27/32 (2006.01) F24F 11/00 (2006.01) F24F 13/14 (2006.01)

Patent

CA 2432097

A multi-layer barrier for insulation blocking an opening or passage of a building and for providing ventilation to or within a building. A plurality of inflated hollow membrane cube- like structures are formed adjacent to one another, which traverse a longitudinal width of the opening or passage. The hollow membrane cube-like structures are formed from generally rectangular sheets having two long parallel edges, two parallel short edges and a floor having one or more orifices in the forming floor of each non- bottom sheet between membranes, for air connection between membrane structures to be changed from an inflated and a deflated state.

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