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Spray Foam

With CertainTeed’s new CertaSpray® X (CSX) Open Cell Spray Foam Insulation, contractors can save time by only needing one product to stop drafts and noise while ensuring code-compliant fire protection. The newest addition to the CertaSpray line meets the requirements of AC377 Appendix X, so it can be installed in attics and crawl spaces without the need for an additional ignition barrier or intumescent coating—providing one-step protection that easily meets building code requirements on time and on budget.


By adding the ignition barrier during the manufacturing process, where environmental conditions are carefully controlled, the resulting product offers more consistent protection than ignition barriers applied in the field. This reduces the risk of callbacks or failed inspections. Furthermore, CSX cures to a distinctive mocha color, making it easily identifiable to building inspectors.


CertaSpray X is a polyurethane foam that is sprayed into a building cavity and quickly expands to fill voids and form an effective air seal, which reduces energy loss and maintains high indoor air quality. The product meets ICC Evaluation Services, Inc. code requirements for thermal and moisture protection as designated in report number ESR-3759. CSX minimizes thermal bridging, helping save up to 20% in heating and cooling costs, and can contribute to the requirements for an Energy Star® home. The product’s continuous seal also enhances acoustic control by virtually eliminating vibrations that can carry sound through materials and into interior spaces.

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