Depending on the size of the opening set a half sheet of 3 4 inch plywood across the rafters to.
How to install vent baffles in attic.
Attach a headlamp to your hard hat to free up your hands as you work.
Position the first baffle.
Rafter vents or insulation baffles install in any rafter space to create narrow gaps that direct fresh air from the soffit vents to the peak of the roof.
If your roof rafters have been covered over with drywall or plywood you will have to remove it in order to install the baffles.
Put on your safety gear.
The outside edge of the baffle should be parallel to the exterior wall sheathing.
Locate the soffit vents in the eaves of your home.
Staple each side to the roof deck spaced about every 4 inches.
Once they are in place you can then place the batts or blankets or blow insulation right out to the very edge of the attic floor.
Step 2 in the bay.
To install the rafter vents staple them directly to the roof decking.
Rafter vents should be placed in your attic ceiling in between the rafters at the point where your attic ceiling meets your attic floor.
Pull any existing insulation away from the edges of the attic where you will be putting up the baffles.
Set the baffles and a.
Work your way out to the ends of the.
You ll need to crawl to the end of the eave and staple the baffle against the roof deck.
Rafter vents come in 4 foot lengths and 14 1 2 and 22 1 2 inch widths for different rafter spacings.
If you are finishing the entire attic space place the baffle directly adjacent to the soffit vent so air vents directly into the tray of the baffle and is captured.
Attach this roof and attic insulation treatment using foam baffles to ventilate insulate and channel cold and hot air to roof vents before insulation is add.
You will need a baffle for each space between the rafters.
Install attic baffles if the attic doesn t have attic baffles let s install them.
Measure the distance between your rafters and purchase enough rafter vent baffles to install one over each.