Baffles establish a channel for air to circulate between the insulation and the roof sheathing.
How to install attic vent baffles.
Install attic baffles if the attic doesn t have attic baffles let s install them.
Blown insulation may require an additional block to prevent insulation from being blown into the soffit.
Center a raft r mate between two rafters in your attic.
Depending on the size of the opening set a half sheet of 3 4 inch plywood across the rafters to.
The outside edge of the baffle should be parallel to the exterior wall sheathing.
It may be easiest to locate and mark them from below.
Work your way out to the ends of the.
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.
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.
Step 2 bend the vent down at its accordion hinge so its lower end points down toward the wall s top plate.
The side edges of the vent should lie flat against the underside of the roof sheathing.
How to install attic rafter vent baffles step 1.
Fit each one snuggly in the bay with the bottom starting where the ceiling joist meets the roof rafter.
A piece of rigid foam board placed on the outer edge of the top plate works very well for this.
Measure the distance between your rafters and purchase enough rafter vent baffles to install one over each.
Locate the soffit vents in the eaves of your home.
Attach a headlamp to your hard hat to free up your hands as you work.
Staple each side to the roof deck spaced about every 4 inches.
Pull any existing insulation away from the edges of the attic where you will be putting up the baffles.
Rafter vents should be placed in your attic ceiling in between the rafters at the point where your attic ceiling meets your attic floor.
As with attic floor insulation moisture and heat removal are the reasons for creating proper air.
Put on your safety gear.