Tapered Roof Insulation R Value

Tapered insulation for roofing offers a long term stable r value with excellent dimensional stability compressive strength and water resistance properties.

Tapered roof insulation r value.

Properly installed tapered iso 95 gl insulation can extend the life of the roof assembly by eliminating problems associated with ponded water. Provides good dimensional stability excellent insulation value with stable r value and fire resistance. Standard material is johns manville enrgy 3 tapered and flat polyisocyanurate roof insulation. When correctly installed tapered insulation helps eliminate problems due to ponding water and can extend the longevity of your low slope roofing system.

Firestone tapered iso 95 gl polyiso insulation provides an efective and economical solution. Tapered roof insulation from atlas roofing corporation is designed to create positive drainage with the highest r values per inch of any rigid board insulation in the industry. One area where effective u values are commonly misunderstood is tapered insulation for low slope roofs or at the eaves of sloped roofs. Carlisle s tapered insulation helps promote rooftop drainage while providing excellent insulating value.

Slope cross sections published feb. Acfoam tapered roof insulation helps prevent material waste reduces the roof profile and reduces fastening costs. The standard tapered panel size is 4 x 4. Properly installed tapered iso 95 polyiso insulation can extend the life of the roof assembly by eliminating problems associated with ponded water.

Factory cut taper that is easy to install and cut builds slope into an otherwise flat roofing system allowing water to drain freely off the roof. It is readily available in the two most popular and efficient tapers 1 8 3 18 mm per foot 305 mm 1 and 1 4 6 35 mm per foot 3 18 mm 2. Firestone iso 95 gl tapered insulation. Tapered polyiso minimizes the negative effects of ponding water and extends the service life of a roof.

Firestone tapered iso 95 polyiso insulation is available in slopes from 1 16 to 1 2 per foot. As energy codes become more stringent and better enforced it will become more important to properly calculate effective roof assembly u values r values for compliance.