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Construction Spray Foam Insulation

Building scientists say that a home should be as tight and seamless as possible. Yet, a typical 2,500 square foot home has over a half mile of cracks and crevices resulting in a less energy efficient home.

Unlike fiberglass or cellulose, PERMAX spray polyurethane foam insulation (SPF) expands on contact forming an airtight seal eliminating convection currents, the number one source of heat loss; helping maintain a comfortable, constant temperature throughout the home. PERMAX resistance to heat transfer — called R-Value — is nearly double that of fiberglass batts. In fact, PERMAX is so effective, the advanced closed cell structure delivers significant R-Value superiority even over cellulose blown tightly into the wall cavity.

PERMAX™ for Roofs

Combining the benefits of additional insulation, waterproofing membrane and energy-saving ‘cool roof’ covering, Henry 2.5# and 3.0# density roof foams are ideal options for new construction, recovery applications, maintenance and repair.

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PERMAX™ for Walls

Whether used within the stud wall or behind the primary cladding in cavity wall applications, the PERMAX™ family of SPF offers superior thermal performance vs. traditional insulations.

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Elastomeric Coatings

All types of roof SPF must be immediately coated with a UV and weather barrier coating to prevent degradation by sunlight. The best technical solution is highly elastomeric, two or three-application coating systems that both protect the underlying foam and provide a durable, walkable, hail-resistant and reflective surfacing.

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PERMAX™ Primers and Accessories

Henry offers a family of primer options to meet the varied needs found with common roof substrates.

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