Thermal Barrier Coating For Spray Foam
If a home has spray foam insulation in an attic or crawl space the building code requires using materials or assemblies that offer some fire resistance but not as much as is required for a thermal barrier.
Thermal barrier coating for spray foam. The code refers to foam plastic which is code speak for cured spray foam or rigid foam including xps eps and polyiso q. Are the requirements the same for other types of solid foam insulation that are exposed to the interior of the house a. Offers an aesthetic upgrade over intumescent spray on thermal barrier coatings. If you ve got spray foam insulation in an attic for example it s probably already separated from the living space by a thermal barrier.
Ignition barrier thermal barriers spray foam. The thermal barrier blanket has been approved for use over icynene classic ld c 50 open cell spray foam in commercial installations. Energsmart installs a thermal barrier coating over spray foam in some applications usually where drywall is not desired. Thermal barrier and ignition barrier are essential to protecting those inside in the case of a fire in the residence or building.
Ifti is the manufacturer of the industry leading dc315 intumescent coating intumescent paint for the 15 minute thermal barrier protection of spray foam insulation. Dc 315 is an intumescent coating applied over spray polyurethane foam spf to achieve a 15 minute alternative to thermal barrier and 5 minute ignition barrier dc315 is compliant to ibc irc codes. All insulation must be separated from living spaces by a thermal barrier typically drywall. Ifti also manufactures an innovative simple to use and cost effective line of firestop products intumescent fire retardants thermal.
International fireproof technology inc. Fyi those tests are a room corner test ul1715 nfpa286 or ubc26 3 and astme84 flame spread test. The approved thermal barrier. Delivers 40 sound absorption when installed over 5 5 inches of icynene classic spray foam insulation.
A thermal barrier is a material applied between foam plastics including spray polyurethane foam and interior spaces designed to delay the temperature rise of the foam during a fire situation and to delay or prevent the foam s involvement in a fire. 3rd party inspected and listed by warnock hersey wn 20947 and meets the requirements of the ac456 criteria recently updated in ac377. Fireproofing your spray foam application is one of the most necessary steps before leaving a job and requires usually either a ignition barrier or thermal barrier. This article concentrates on the thermal barrier requirements for spray foam specifically.