Vents for temporary shelters and coverings

E - Fixed Constructions – 04 – H

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Details

E04H 15/14 (2006.01) E04H 15/16 (2006.01) E04H 1/12 (2006.01)

Patent

CA 2596769

A venting system for a temporary shelter (2) that includes one or more vents (8) that are positioned in the exterior shell of the temporary shelter (2). Each of the one or more vents (8) may include a membrane (16) that is moisture vapor transmissive and resistant to liquid penetration. The membrane (16) may have a moisture vapor transmissive rate of at least 4,000 g/m2/day. The membrane (16) may be expanded polytetrafluoroethylene. The one or more vents (8) may have a size such that there is approximately 4 m2 of vent (8) surface area in the exterior shell of the temporary shelter (2) per 20 m3 of interior space within the temporary shelter (2).

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