Tapered Roof Insulation R 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 roof insulation r value.

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. 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. 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.

Carlisle s tapered insulation helps promote rooftop drainage while providing excellent insulating value. Properly installed tapered iso 95 polyiso insulation can extend the life of the roof assembly by eliminating problems associated with ponded water. Standard material is johns manville enrgy 3 tapered and flat polyisocyanurate roof insulation. The r values shown above are the minimum r values required to meet code requirements.

When correctly installed tapered insulation helps eliminate problems due to ponding water and can extend the longevity of your low slope roofing system. Acfoam tapered roof insulation helps prevent material waste reduces the roof profile and reduces fastening costs. Tapered polyiso minimizes the negative effects of ponding water and extends the service life of a roof. Since a tapered insulation system will increase thickness away from the low points the overall system r value will exceed the prescriptive r value requirements.

How does this affect r values on a tapered insulation system. 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. One area where effective u values are commonly misunderstood is tapered insulation for low slope roofs or at the eaves of sloped roofs.

Firestone iso 95 gl tapered insulation. The standard tapered panel size is 4 x 4.