Install Insulation In Attic Rafters

At the perimeter of the attic lay the insulation up to the roof rafters but keep it away from plywood roof sheathing.

Install insulation in attic rafters.

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. Install the second layer of insulation. 2 snap a chalk line between the length measurements. You can leave any existing insulation in place as long as it isn t damaged.

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. Install ventilation baffles into the space between the rafters before you install the insulation usually by stapling into place. How to install rafter insulation.

To find out if you have enough attic insulation measure the thickness of the insulation. See more on different types of insulation. To completely cover your attic floor with insulation out to the eaves you need to install rafter vents also called insulation baffles. Complete coverage of the attic floor along with sealing air leaks will ensure you get the best performance from your insulation.

To install insulation batts and blankets. The existing layer should sit at the top of the joists. Loose fill or batt the common term for blanket insulation. Both can be added to uninsulated attics or layered over existing material.

Continue laying down the insulation making sure the batts are pressed tightly together at all edge and end joints. If it doesn t add a small piece of insulation over top. Loose fill insulation is usually less expensive to install than batt insulation and provides better coverage when installed properly. Lay the batts across the ceiling joists covering the existing insulation.

Working on your knees in an attic for long periods of time can be very hot and tiring. For diy attic insulation you ve got two choices. 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. If using insulation with a vapor retardant facing install the material with the vapor retardant side down.

Start by tucking small pieces of insulation between the rafters against the rafter vents. Apply insulation between rafters when finishing an attic into a heated room or when building a cathedral ceiling in the home. The baffles will allow circulation to continue even though insulation has been installed directly in the. Once you ve decided which type is best for you examine the material options and prices to home in on the right product.