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Owens-corning-rafter-vent-installation, b a 5 4 3 2 1 working toward the peak of the roof, place and staple subsequent step raft-r-mate ® vents between rafters. leave a 2" gap between vents for batt insulation or a ½" gap for loosefill insulation.. How to install owens corning raft r mate attic rafter vents october 7, 2018 - by zamira - leave a comment raft r mate owens corning insulation total protection roofing system owens corning raft r mate 22 1 2 in x spring issue attic insulation top up adding insulation to an attic, learn how to prep an attic for loosefill and use the dense blow mode to get thermal performance in the eaves. see a demonstration of how to install owens corning raft-r-mate® attic rafter vents ....

Raft-r-mate ® attic rafter vents create a space between each rafter for air to flow freely up the rafters and into the attic. owens corning™ raft-r-mate ® attic rafter vents: assist in the constant flow of fresh air from soffit vent to the ridge by preventing blockage of the airway at the soffit., and staple subsequent raft-r-mate vents between rafters. if a full length vent will not fi t, overlap or cut one to fi t remaining space. raft-r-mate attic vents cut easily with a utility knife or scissors. note: peak of the attic must be properly ventilated before installing raft-r-mate attic vents. when all vents are in place from soffi t