Firestone Roof Insulation R Value

New polyiso insulation from firestone building products.

Firestone roof insulation r value.

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. Firestone iso 95 gl polyiso insulation has a higher r value than other insulation products while also outperforming competitive polyiso at low temperature. You should of course see the manufacturer provided technical data sheet for the r value of specific products. Firestone iso 95 gl insulation offers high energy efficiency through the r value ratings per inch versus other insulation materials.

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. Firestone iso 95 gl board may be installed using. 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. At low temperatures competing polyiso boards require additional thickness to achieve the same r value of firestones polyiso.

Firestone has been committed to offering a complete line of high performing roofing solutions as individual as your building. Firestone building products company llc a manufacturer and supplier of high performing building product solutions introduces its newest formulation of polyiso insulation. R value of various materials. Resista manufactured with a heavy duty double coated non organic glass facer firestone resista polyiso insulation board is compatible with all fully adhered and.

Lttr is a 15 year time weighted average of the foam s r value. It represents the actual r value that the polyiso insulation will provide while in service. 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. 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.

Here s a handy r value table that covers most types of roof coverings building insulation and a few other materials. The net result is that the r value of the insulation will decrease slightly over time. Firestone fasteners and plates. 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.

Insulation shall be neatly fitted to all roof penetrations projections and nailers. To learn more about our roofing systems click on one of the product boxes below. In 2003 the polyiso industry introduced the concept of long term thermal resistance or lttr. For a very good introductory overview article on r value see r values over at the website of.