The outside edge of the baffle should be parallel to the exterior wall sheathing.
Installing air baffles in attic.
Installing rafter vents between the rafters along the soffit on the.
Without this air movement any moisture that gets into the attic area becomes stagnant and causes mold and mildew to develop.
You will need a baffle for each space between the rafters.
By installing the baffles properly you can increase the r value all the way out to the exterior sheathing.
You ll need to crawl to the end of the eave and staple the baffle against the roof deck.
Staple each side to the roof deck spaced about every 4 inches.
As listed in the definition above the baffle is meant to regulate the flow of air.
Step 2 in the bay.
If your roof rafters have been covered over with drywall or plywood you will have to remove it in order to install the baffles.