What is CLOSED-CELL FOAM?


If your aim is to learn about spray polyurethane foam insulation, you're on the right page. Before going forward with a spray foam application on either a commercial or residential building, it is important to establish whether you will utilize 2.0 lb./cu. ft. closed-cell foam.


Best CLOSED-CELL FOAM insulators in Fort worth


There are chief factors to consider when it comes to differentiating open cell and closed-cell foam. First off, it is important to examine each type of foam. With open-cell foam, the minuscule cells of the foam are not entirely closed, so the foam itself is permeable and can fill with air and moisture. These tiny open spaces render the foam weaker and softer feeling than closed-cell foam.

Closed-cell foam has a greater resistance to water vapor and air leakage, it is stronger, and has a higher R-value than closed-cell foam. However, because closed-cell foam is higher in density, it requires more material than open-cell foam, therefore, it comes at a higher cost. Despite its higher R-value, closed-cell foam's cost per R is still more expensive than open-cell foam. To decide which foam to use, it is important to look at characteristics like vapor control, strength, and available space in order to determine the requirements of the application. Open-cell foam usually utilizes water as a blowing agent and it has an R-3.5 value, where closed-cell foam requires high R-value blowing agents, yet gives out an R-6 value.



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