Homeowners often ask if a vapor barrier is necessary for optimizing attic insulation and protecting their homes from moisture-related damage. The answer, however, isn’t one-size-fits-all. Factors like ...

The placement of a water vapor retarder directly below concrete floor slabs on the ground has become common practice for buildings where floor coverings or coatings are to be installed. Such use has ...

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.

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 ...

Q: Tim, I’m flummoxed. I’ve seen videos and read online articles about needing a vapor barrier in the walls of my home and possibly under concrete slabs. My builder says these things are a waste of ...

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 ...

Q: My house is open to the weather with no trees, only pasture. It was built in 1997 and I bought it in 1998. About five years ago, I noticed some of the spruce siding was rotting. I replaced it in ...

Air barriers have been used in many different ways throughout the years, and they’re becoming particularly relevant as energy code requirements evolve. But many questions have surrounded the use of ...

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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 ...