A Homeowner's Guide To Closed And Open Cell Foam Insulation
Posted on:
4 May 2020
Spray foam insulation comes in two major varieties — open-cell or closed-cell. Both have their benefits, so it is important to understand how these products differ so you can choose the proper type of insulation for your project.
Cell Types
Both types of foam are comprised of "cells," but open foam cells aren't fully enclosed so air passes between them. Closed-cell foam cells are completely enclosed, so there is no airflow within the insulation once it is installed.
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