Improper use of vapor barriers is one of the leading causes of moisture-related issues in buildings today. Vapor barriers, or vapor retarders, are designed to prevent wall assemblies from getting wet.

Vapor retarders play an important role in controlling water vapor flow and can be a major element in durable building enclosure design. (Note: Although there is some debate in the industry over ...

Main components are several grades of high performance polyethylene vapor retarder material made of HDPE, LDPE or LLDPE with low permeability Reinforced with a heavy-duty polyester cord grid for high ...

Most building materials are permeable to moisture. Increasingly, buildings are being built more tightly, which adds to the need for moisture control. Porous materials that become saturated with ...

FAIRBANKS - The building envelope is defined as those parts of a house that keep the indoor and outdoor environments separate. The building envelope includes the exterior walls, roof, windows, doors ...

DENVER--(BUSINESS WIRE)--Johns Manville, a Berkshire Hathaway company with over three decades of experience producing modified bitumen, announced today two new products for bituminous roofing systems ...

Vapor retarders are sheet materials used below slab-on-ground floors to limit the amount of moisture that migrates into and upward through concrete slabs. If unchecked, moisture can cause floor ...