Firestone Roof Insulation R Value

R value of various materials.

Firestone roof insulation r value.

Firestone iso 95 gl polyiso insulation has a higher r value than other insulation products while also outperforming competitive polyiso at low temperature. In 2003 the polyiso industry introduced the concept of long term thermal resistance or lttr. Firestone building products company llc a manufacturer and supplier of high performing building product solutions introduces its newest formulation of polyiso insulation. Lttr is a 15 year time weighted average of the foam s r value.

Iso 95 gl insulation provides outstanding thermal performance on commercial roofing applications while providing positive rooftop drainage to help eliminate ponding water when tapered iso 95 gl insulation is used. Firestone iso 95 gl insulation offers high energy efficiency through the r value ratings per inch versus other insulation materials. Compatible with all types of commercial roofing systems the lightweight easy to handle insulation is especially suited for direct application on fm approved and ul classified steel roof deck assemblies. Firestone iso 95 gl insulation consists of a closed cell polyiso foam core laminated to a black glass reinforced mat facer on both major surfaces.

Since 1980 firestone roofing systems have been installed on hundreds of thousands of roofs worldwide. Firestone building products is a leading manufacturer of high performing roofing systems for commercial industrial and residential roofing applications. Firestone fasteners and plates. Firestone has been committed to offering a complete line of high performing roofing solutions as individual as your building.

Resista manufactured with a heavy duty double coated non organic glass facer firestone resista polyiso insulation board is compatible with all fully adhered and. The new formulation is equipped with the highest r value per inch in cold temperatures making it the best performing polyiso on the market in cold temperatures. New polyiso insulation from firestone building products. To learn more about our roofing systems click on one of the product boxes below.

For a very good introductory overview article on r value see r values over at the website of. This commitment has resulted in the development of firestone insulation boards and firestone cover boards. Firestone iso 95 gl board may be installed using. At low temperatures competing polyiso boards require additional thickness to achieve the same r value of firestones polyiso.

Firestone isogard polyiso insulation goes even further and was the first product on the market to meet both astm c1289 required and recommended thermal performance values. Here s a handy r value table that covers most types of roof coverings building insulation and a few other materials. No more insulation shall be installed than can be covered with membrane and completed before the end of each day s work or before the onset of inclement weather. It represents the actual r value that the polyiso insulation will provide while in service.