Cementitious Foam Insulation Material

Written by  The U.S. Department of Energy's Office of EERE

Cementitious insulation material is a cement-based foam used as sprayed-foam or foamed-in-placed insulation.

Cementitious Foam Insulation Material

Topic Summary

One type of cementitious, spray-foam insulation is known as Air-Krete™. It contains magnesium silicate and has an R-value of about 3.9 per inch. With an initial consistency similar to shaving cream, Air-Krete™ is pumped into closed cavities. After curing, it's similar to a thick pudding.

Cementitious foam costs about as much as polyurethane foam. It's also nontoxic and nonflammable. Cementitious foam is made from minerals (like magnesium oxide) extracted from seawater.

Article source: The U.S. Department of Energy’s Office of Energy Efficiency and Renewable Energy (EERE). For the most up-to-date information please visit the EERE website.

Last modified on Wed, Aug 01, 2012
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