Use this 3 part SimpleSpecs™ master specification to specify Foamed-In-Place Insulation for open or closed-cell polyurethane foam insulation for use in roof, wall, and floor assemblies.
Polyurethane foam insulation is flammable. A fire barrier may be required to be applied over the interior face of the insulation if left exposed or not covered by a minimum ½ inch thick gypsum board; check the applicable building code.
Polyurethane foam insulation is a two-component product that is applied using a special gun that mixes the components at the nozzle. Two types are available; open cell and closed cell. Closed-cell has a higher thermal resistance and is a better moisture vapor retarder.
To learn more about foam, visit Wikipedia.
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