Flat Roof Tapered Insulation Chart

Standard material is johns manville enrgy 3 tapered and flat polyisocyanurate roof insulation.

Flat roof tapered insulation chart. Flat tapered eps roofing insulation. Flat tapered energy and the environment. By creating appropriate falls and drainage a flat roof is more likely to last for its designed life by channelling water to outlets efficiently. Slope cross sections published feb.

Slope dimension lttr value nominal. Rs 5174 5 19 replaces 2 18 panel desig. Johns manville tapered polyiso offerings please refer to the previous page for typical physical properties. Insulfoam taper is cut from the same high quality eps as our flat insulroof products and meets or exceeds the.

The standard tapered panel size is 4 x 4. Roofing best practice for the 21st century we examined the cost analysis of the three standard options in a warm flat roof application across four different case studies of non residential new builds and discovered that using a tapered insulation system to achieve a u value of 0 16 w m k could be up to 43 cheaper than the. 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. When correctly installed tapered insulation helps eliminate problems due to ponding water and can extend the longevity of your low slope roofing system.