Thermally efficient closed cell acfoam ii or acfoam iii polyisocyanurate polyiso insulation board bonded to min.
Vented nail board roof insulation owens corning.
7 16 apa teco rated osb or min.
Raft r mate attic rafter vents create a space between each rafter for air to flow freely up the rafters and into the attic.
If insulation is allowed to bunch against the inside slope of the roof between the rafters air will be blocked before it can traverse the attic.
Ventilation requirements in order to create a consistent flow of cool dry air through your attic you need to make sure the air has a way to come in and go out.
Acfoam nail base is composed of a thermally efficient closed cell polyiso insulation board bonded to osb or cdx plywood on the top face.
Thermacal nail base roof insulation 1.
Let owens corning roofing help you calculate exactly how much ventilation you will need for a healthy and balanced attic with our 4 step ventilation calculator.
Ventilated roof insulation a.
Excludes non owens corning roofing products such as flashing fasteners and wood decking.
The insulated sheathing shall be thermacal a non 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.
They are flexible enough to conform to virtually any roof slope and their unique baffle design improves airflow by keeping leaves pine needles or similar debris from impacting the performance of the vent.
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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.
Description of system a.
Acfoam nail base is approved for use as a non structural panel in new and re roofing applications.
Enter square footage calculate or enter the square footage of the attic or area to be vented.
Owens corning has solutions for your building remodeling needs.
Owens corning raft r mate attic rafter vents.
It combines the benefits of a nailable roof substrate with thermally efficiently polyiso insulation in an easy one step installation.