Always install wood side up.
Ventilated nail board roofing.
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.
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.
The ventilated roof insulation should be a factory assembled panel consisting of one layer of 7 16 11 1 mm oriented strand board top surface a built in ventilation space maintained by 1 25 4 mm wood spacer blocks and polyisocyanurate insulation on the bottom.
Residential and commercial roofing shingles slate roof ventilation roof underlayments asphaltic and tpo roof membranes.
Cool vent is a venting composite insulation board that consists of a 4 x8 panel of closed cell rigid polyisocyanurate a middle layer of solid wood spacers creating a standard 1 air space and a top layer of apa teco rated osb or plywood.
Consisting of acfoam ii or acfoam iii polyisocyanurate polyiso insulation board and a min.
See the difference performance roofing insulation makes.
Thermally efficient cross ventilated non structural composite insulation.
Using the correct size of roofing nail will ensure that your roof stays intact for many years to come and can help you avoid the common problem of roofing nails that extract themselves over time and cause you to lose shingles.
Planning and executing a good roofing job requires knowledge of every aspect of the job.
Thermally efficient closed cell acfoam ii or acfoam iii polyisocyanurate polyiso insulation board bonded to min.
7 16 apa teco rated osb or min.
Ventilated roof insulation a.
7 16 apa teco rated osb or min.
Provides a strong nailable surface.
Cornell corporation has products that have performed day in and day out on roofs nationwide for longer than most of our competitors have been in the business.
Roofing shingles and materials plus factory certified roofers including ratings from real homeowners from north america s largest roofing manufacturer.
Wood edges are routed 1 8 to allow for expansion and contraction of the wood.
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.
Cool vent is the environmentally intelligent choice for steep slope roofing applications and is viable in.