Is house wrap a vapor barrier?

Answer House wrap is a weather resistant barrier, but it is not a vapor barrier. Vapor barriers keep water vapor from moving through walls. House wrap prevents moisture accumulation and decay when wate... Read More »

Top Q&A For: Is house wrap a vapor barrier

If a house has plastic vapor barrier on the inside walls and a foil barrier on the exterior of the house should you remove the existing old outer foil when residing?

Answer Unless your home is heated by electric baseboard you may take it down if you wish. However the foil has reflective heat values, which means it reflects out the heat from the sun in the summe... Read More »

Should a vapor barrier be put under a house?

On One Hand: Install a Vapor BarrierWater vapor evaporating from the soil and condensing on a house can lead to water damage and mold buildup. As such, you should install a vapor barrier beneath yo... Read More »

Why Use a Vapor Barrier for House Siding?

The vapor barrier contains the moisture to the outside of the house. By doing this it reduces the moisture touching the wood under the siding. This reduces the prospect of mold and rot in the wood.... Read More »

What do you use a vapor barrier for?

A vapor barrier is a plastic or foil sheet placed between insulation inside a wall and the wall itself to prevent moisture, mold, rotting and mildew from getting into walls, floors and ceilings.App... Read More »