One question I get asked a lot is how to deal with vapor, what is the best vapor control product, etc… Continue reading “Shorts-Vapor”
Expanding spray foam is a two-part chemical process involving isocyanate and poly resin, which when combined in the right mixture will expand 30 to 60 times it’s liquid volume. Continue reading “Construction Materials-Spray Foam”
I recently wrote a blog post titled Building Science-Building Shell Layers-Vapor Control Layer. This blog is going to expand on that discussion with information on several choices of vapor retarders. Continue reading “Construction Materials-Vapor Retarders”
Last week we talked about the what makes a house “tight”, the air control layer. This week we will continue with the building shell layers discussion, number 3 on our list is the vapor control layer or vapor retarder.