As featured in the Journal of Light Construction
July 2006
Baffle-Free
Although insulation baffles are one way to achieve a ventilated roof assembly in a cathedral ceiling, a lot of conventional baffles are neither sturdy nor airtight. Many carpenters therefore opt for rigid insulation in the rafter cavities, but until recently there wasn't an easy way to fasten it. Now there are Clip-Vents. These plastic extrusions staple to the sides of the rafters and receive 1-inch rigid insulation to create sturdy, airtight vented cavities. The manufacturer claims this is also a great technique for directing heat upward in wood-frame radiant-heat applications beneath a subfloor. A 48-count box of 4' Clip-Vents sells for about $120. TMF
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