Polyiso R Value Chart – 1/16 per foot (.5%) to. Two layers of 2.6” energyguard ™ polyiso over a steel deck reaches an r value of 30. 4' x 4' (1.22 m x 1.22 m), 4' x 8' (1.22 m x 2.44 m) tapered boards:
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Polyiso R Value Chart
Energyguard ™ polyiso is lightweight and easy to maneuver around a job site. * isocast™ r polyisocyanurate insulation is a former product of the. Flat and tapered polyiso boards.
4' X 4' (1.22 M X 1.22 M) Slope Range:
4' x 4' (1.22 m x 1.22 m), 4' x 8' (1.22 m x 2.44 m) tapered boards: 1/16 per foot (.5%) to 1⁄2 per foot (4%) thickness range:. 4' x 4' (1.22 m x 1.22 m) slope range:
Based On Consensus Standards In Both The United States And Canada,.
Polyisocyanurate insulation is a common commercial and residential roof and wall insulation. This allows polyiso products to deliver more energy savings potential for buildings than other materials.

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