Tapered Roof Insulation R Value

When correctly installed tapered insulation helps eliminate problems due to ponding water and can extend the longevity of your low slope roofing system.

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. Carlisle s tapered insulation helps promote rooftop drainage while providing excellent insulating value. 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. Tapered polyiso minimizes the negative effects of ponding water and extends the service life of a roof.

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. Standard material is johns manville enrgy 3 tapered and flat polyisocyanurate roof insulation. Acfoam tapered roof insulation helps prevent material waste reduces the roof profile and reduces fastening costs. One area where effective u values are commonly misunderstood is tapered insulation for low slope roofs or at the eaves of sloped roofs.

The standard tapered panel size is 4 x 4. 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. Slope cross sections published feb. Properly installed tapered iso 95 gl insulation can extend the life of the roof assembly by eliminating problems associated with ponded water.

Firestone iso 95 gl tapered insulation. Firestone tapered iso 95 polyiso insulation is available in slopes from 1 16 to 1 2 per foot. 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. Properly installed tapered iso 95 polyiso 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. Firestone tapered iso 95 gl polyiso insulation provides an efective and economical solution.