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Northern Built

A Cold Climate Construction and Energy Blog

Tag: vapor retarder

Posted on October 10, 2021

Shorts-Vapor

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”

Posted on October 7, 2018

Construction Materials-Spray Foam

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”

Posted on September 23, 2018

Construction Materials-Vapor Retarders

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”

Posted on August 21, 2018August 21, 2018

Building Science – Building Shell Layers – Vapor control layer

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.

Continue reading “Building Science – Building Shell Layers – Vapor control layer”

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Welcome to Northern Built, where we discuss building science, construction techniques, and energy for homes built in a cold climate.

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