White Paper- Vapor Barriers (Retarders) and Air Barriers
Air and moisture can get into a home a number of ways. Convective transfer involves moving air, such as a draft around a window or door, electrical boxes, or other wall penetrations. Diffusion refers to moisture moving through a material, similar to a sponge soaking up water. Cavity wall construction…
Asked & Answered: Do ICFs Need a Weather Barrier?
One of the questions we are frequently asked is the need for an additional weather barrier or house wrap in ICF construction. The short answer to the question is no. ICFs are a more effective and higher class vapor and water barrier than any house wrap product. ICFs must only be protected…