Polyiso Roofing Boardsizes

Board sizes of both 4 x 4 and 4 x 8 special order at standard slopes of 1 16 ft 8 ft 1 4 ftand 1 2 ft boards with slopes of 3 16 ft and 3 8 ft may be special ordered.

Polyiso roofing boardsizes. 4 x 4 1 21 m x 1 21 m. 100 to 200 f 73 3 to 93 3 c dimensional stability. Nrca recommends roof system designers specify a maximum 4 by 4 foot board size for poly isocyanurate adhered to a substrate. Polyiso insulation thickness r value chart.

The 4 by 8 foot size is appropriate for loosely laid and mechanically attached applications. Because of its high thermal performance it is the product of choice for energy aware architects specifiers builders building owners contractors and consumers. When correctly installed tapered insulation helps eliminate problems due to ponding water and can extend the longevity of your low slope roofing system. Understanding r value thursday december 13 2018 what does r value mean.

Specifications all dimensions are nominal board size. Application specific guidance polyisocyanurate insulation is available in 4 by 4 and 4 by 8 foot board sizes. Energyguard polyiso roof insulation. Polyisocyanurate polyiso polyiso is the industry s premier roofing insulation.

Polyiso is most commonly used as a continuous insulation for roofs and walls and as a protective roof cover board. Polyiso is a versatile high performance insulation solution that is suitable for a multitude of applications. 4 x 8 1 21 m x 2 44 m service temperature limits. Polyisocyanurate polyiso is a closed cell rigid foam board insulation that is bonded to facers on both sides which are composed of various organic and inorganic materials.

Since 1978 rmax has been an innovator in building insulation solutions. Our comprehensive line of high quality polyiso based products continues to deliver maximum r values minimum environmental impact and efficiency in installation cost and design. A higher r value means that the insulation will do a better job of holding in conditioned air whether that s heat in the winter or cool air in the summer. Polyiso is used in roof wall ceiling and specialty applications within commercial and residential buildings of all types.