Install the second layer of insulation.
Install insulation in attic rafters.
Loose fill insulation is usually less expensive to install than batt insulation and provides better coverage when installed properly.
Loose fill or batt the common term for blanket insulation.
Working on your knees in an attic for long periods of time can be very hot and tiring.
Install ventilation baffles into the space between the rafters before you install the insulation usually by stapling into place.
Lay the batts across the ceiling joists covering the existing insulation.
In part 6 of this series on attic insulation we dealt with proper attic ventilation and how it goes hand in hand with proper insulation.
To find out if you have enough attic insulation measure the thickness of the insulation.
To completely cover your attic floor with insulation out to the eaves you need to install rafter vents also called insulation baffles.
Apply insulation between rafters when finishing an attic into a heated room or when building a cathedral ceiling in the home.
The existing layer should sit at the top of the joists.
For diy attic insulation you ve got two choices.
Both can be added to uninsulated attics or layered over existing material.
See more on different types of insulation.
To install insulation batts and blankets.
At the perimeter of the attic lay the insulation up to the roof rafters but keep it away from plywood roof sheathing.
You can leave any existing insulation in place as long as it isn t damaged.
Begin at a wall and work toward the center of the attic floor or the entryway carefully placing insulation between joists and ensuring a snug fit.
Start by tucking small pieces of insulation between the rafters against the rafter vents.
Once you ve decided which type is best for you examine the material options and prices to home in on the right product.
Garages built without attics are.
If your attic is going to be converted into livable space then you will need to insulate the roof rafters.
Loose fill or batt insulation is typically installed in an attic.
The baffles will allow circulation to continue even though insulation has been installed directly in the.
Complete coverage of the attic floor along with sealing air leaks will ensure you get the best performance from your insulation.
In part 7 you ll learn how to insulate the attic rafters.
2 snap a chalk line between the length measurements.
If it doesn t add a small piece of insulation over top.
If using insulation with a vapor retardant facing install the material with the vapor retardant side down.