“When people think of house wrap I think the first name they think of is Tyvek.” Kevin Boyette, construction manager, Bill Clark Homes Discover related products
We include photographs and sketches of vinyl siding installation procedures and of common defects observed in vinyl exterior building siding, such as buckling, splitting, cracks, odors, and questions about the need for a vapor barrier behind vinyl siding and over building sheathing....
Wall Assembly Air Penetration ResistanceASTM E283cfm/ft2@ 75 Pa<0.0002 ASTM E2357cfm/ft2@ 75 Pa<0.0002 Complies with ASTM C 578ASTM E1677TypeType I Water Vapor TransmissionASTM E96-00 Method Bperms22 @ 25 mils thick Water Penetration ResistanceAATCC 127cm>1000 ...
Tyvek is not "unidirectional", it is vapor permiable in either direction... it's neutral, so to speak. This simply means that Tyvek is not a vapor barrier, and as such, it will not TRAP water vapor on either side. You can install Tyvek in any direction, it cannot be install...
DuPont™ Tyvek® weather barrier systems are designed to withstand the elements year after year, holding out air and bulk water, while allowing interior moisture vapor to escape to the outside, so homes can remain comfortable, dry and energy efficient. A unique support system, too DuPont™...
“When people think of house wrap I think the first name they think of is Tyvek.” Kevin Boyette, construction manager, Bill Clark Homes Discover related products