2 total system r value includes the lttr r value of the polyiso insulation and 62 r value of the 7 16 11 1 mm osb attached.
Vented nail board roof insulation thickness.
Always install wood side up.
Available wood thickness standard 7 16 or 5 8 thick rated 1 osb.
Nailboard polyisocyanurate nailable roof insulation typical physical properties enrgy 3 foam layer only test astm values nailboard results strength tensile strength c 209 500 psf 24 kpa min compression resistance 10 consolidation d 1621 20 psi 140 kpa min 25 psi 172 kpa min dimensional stability change length width d 2126 2 linear max.
Cool vent is a venting composite insulation board that consists of a 4 x 8 panel of nexgen chemistry polyiso a middle layer of solid wood spacers and a top layer of apa teco rated osb or plywood.
19 32 cdx plywood on the top face acfoam nail base is offered in a variety of composite thicknesses providing long term thermal resistance lttr values from 6 3 to 24 2.
Vented nail base roof insulation consisting of a 7 16 oriented strand board top surface optional 5 8 or 3 4 osb plywood available architect to choose bonded to thick isocyanurate foam.
Is a rigid roof insulation board composed of a closed cell polyisocyanurate foam core attached with spacers to 7 16 inch 11 millimeters or 5 8 inch 16 millimeter oriented strand board osb on one side and a universal fiberglass reinforced facer on the other.
19 32 cdx plywood separated with and bonded to 5 individual 1 0 1 5 or 2 0 vent spacer strips acfoam crossvent is offered in a variety of composite thicknesses.
Thermally efficient closed cell acfoam ii or acfoam iii polyisocyanurate polyiso insulation board bonded to min.
Provides a strong nailable surface.
Consisting of acfoam ii or acfoam iii polyisocyanurate polyiso insulation board and a min.
The long term thermal resistance lttr r value of the non vented roof insulation shall be not less than.
7 16 apa teco rated osb or min.
Wood edges are routed 1 8 to allow for expansion and contraction of the wood.
Thermally efficient cross ventilated non structural composite insulation.
Overall panel thickness based on the polyiso insulation two layers of 7 16 11 1 mm osb and 1 25 4 mm spacer height.
Get automatic lifetime protection on your entire gaf roofing system when you install any gaf lifetime shingle and at least 3 qualifying gaf accessories you ll automatically get a lifetime limited warranty on your shingles and all qualifying gaf accessories.
The polyiso component of vented nailboard reg.
Oriented strand board osb.
Uses an environmentally compliant blowing agent containing.