How to install attic rafter vent baffles.
How to install an insulation baffle at the roof.
Fit each one snuggly in the bay with the bottom starting where the ceiling joist meets the roof rafter.
Staple each side to the roof deck spaced about every 4 inches.
The outside edge of the baffle should be parallel to the exterior wall sheathing.
Locate the soffit vents in the eaves of your home.
I secure the baffle by stapling it to the roof deck and then spray foam insulation into the cracks between the brick of insulation and the rafters.
How to install baffles in an old attic.
You will need a baffle for each space between the rafters.
Pull any existing insulation away from the edges of the attic where you will be putting up the baffles.
As with attic floor insulation moisture and heat removal are the reasons for creating proper air.
Measure the distance between your rafters and purchase enough rafter vent baffles to install one over.
It may be easiest to locate and mark them from below.
Aside from providing storage space for holiday decorations and seasonal clothing attics serve a functional purpose in the ventilation of homes.
You ll need to crawl to the end of the eave and staple the baffle against the roof deck.
Baffles establish a channel for air to circulate between the insulation and the roof sheathing.
For decades the typical solution to this problem was to install ventilation baffles near the eaves connecting the air space above the soffit vents with the attic and then to install as much fluffy insulation usually fiberglass or cellulose as there was room for between the top plate of the exterior wall and the ventilation baffle.
Complete coverage of the attic floor along with sealing air leaks will ensure you get the best performance from your insulation.
To completely cover your attic floor with insulation out to the eaves you need to install rafter vents also called insulation baffles.
Use a sprinkler or other small.