How To Install Kraft Faced Insulation In Attic

Place the insulation with the facing side down on a piece of scrap plywood.

How to install kraft faced insulation in attic.

When using insulation that has either paper or plastic facing. Flatten the tabs against the front edge of the stud on each side. Cut the insulation roll or batt to fit the length of the framing cavity if necessary. Tape the plastic to the walls and seal the seams with tape or hold them in place with lumber or rocks.

Check the insulation manufacturer s instructions for the necessary thickness of plastic. If you re installing additional insulation in an attic that s already insulated use unfaced insulation that doesn t have a vapor barrier. The shower has two outside walls. The insulation should be snug in the cavity but not compressed.

I have install new insulation becasue of a valve leak got the old stuff wet. The basic installation steps are the same for walls ceilings floors and roofs in wood frame houses. And that s what s going on when you attempt to hang faced fiberglass. I live in the sacramento valley area which gets very hot and dry in the summer doesn t get to cold in winter but foggy damp days in the 30 3 and 40 s.

Overlap the seams by about 12 inches and run the plastic up the walls at least 6 inches. Set a t square or metal straightedge over the insulation and press it down firmly. Kraft faced insulation should be installed in exterior walls exterior basement walls and attic ceilings by pressing the product into the wall cavity with the paper side facing outward towards the installer. The energy efficiency of fiberglass insulation.

You can use either faced or unfaced batting for this installation. Gently press the insulation between two studs with its moisture barrier facing out toward the room. Unfold the mounting tab along each vertical edge of the batt. So if you re installing insulation in an attic that doesn t have any used faced insulation and put the paper side down toward the ceiling.

So i am not sure which way to install the new insulation.