Put the straight est edge of the block at the baffle fold.
How to make attic ventilation baffles.
Staple the edges into place with the staple gun making sure they are lined up correctly and securely.
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.
In a traditional cape cod house with 4 foot kneewalls there are two ways to install ventilation baffles.
When set into place and sealed with spray foam the vent baffles are insulated and air sealed.
Be careful of any roofing nails that may be sticking out of the rafters or bay.
Baffles establish a channel for air to circulate between the insulation and the roof sheathing.
Measure the distance between your rafters and purchase enough rafter vent baffles to install one over each.
Set the baffles and a loaded staple gun inside the attic opening and boost yourself into the attic.
Put on your safety gear.
Affix the insulation block to the baffle scissors and double sided carpet tape.
How to install attic rafter vent baffles step 1.
Rafter baffles should be installed before dry wall or insulation.
1 2 inch foil faced rigid foam insulation.
Rafter baffles are sheets of plastic foam or cardboard that fit between the rafters in your attic to prevent moisture accumulation and add insulation to your home.
The preferred way is for the baffles to begin above the ventilated soffit and extend all the way to the small attic above the second floor ceiling.
It may be easiest to locate and mark them from below.
Firmly pass the scissors handle across the tape.
The deeper the insulation the longer the baffles have to be.
Fit each one snuggly in the bay with the bottom starting where the ceiling joist meets the roof rafter.