Install Attic Floor Over Insulation

Keep the rolls tight together.

Install attic floor over insulation.

Set a t square or metal straightedge over the insulation and press it down firmly. Work from the perimeter of the attic toward the door or hatch so that you don t trample all over the insulation you just put in. If it doesn t add a small piece of insulation over top. Remember the second layer of insulation should be unfaced.

Loftzone raises the height of the lower chord of the attic truss. If your attic joists won t bear the weight necessary to finish out a living space but the engineer cleared them to support floor decking for light storage you can install inch plywood or. Cut along the edge of the square with a utility knife cutting through the insulation material and the paper facing. How to install attic flooring over blown in insulation by tara dooley.

This allows the full depth of attic insulation to work as intended. Continue the installation toward the attic hatch. The existing layer should sit at the top of the joists. Attics are great for storage but flooring directly over the attic floor joists doesn t provide room for the recommended 12 to 16 of attic insulation needed to keep your house cool in the summer and warm in the winter.

1 put on work gloves safety glasses and a dust mask before entering the attic. Build up the height of the joists prior to installing flooring when the insulation reaches the tops of the joists. Place the 1 by 6 boards down over the floor joists in the attic so that they run at a perpendicular angle to the joists. Run the boards down along the side of the attic to create the first row.

Always cover the tops of the ceiling joists to make sure the insulation is deep enough to reach your target r value and to prevent thermal bridging the heat loss that occurs through the wood framing. Begin rolling unfaced insulation in the opposite direction of the first layer. For example loftzone storefloor is lightweight and very easy to install.