How To Install Kraft Faced Insulation In Attic

Gently press the insulation between two studs with its moisture barrier facing out toward the room.

How to install kraft faced insulation in attic.

Cut the insulation roll or batt to fit the length of the framing cavity if necessary. So i am not sure which way to install the new insulation. If you re installing additional insulation in an attic that s already insulated use unfaced insulation that doesn t have a vapor barrier. You can use either faced or unfaced batting for this installation.

And that s what s going on when you attempt to hang faced fiberglass. The shower has two outside walls. Set a t square or metal straightedge over the insulation and press it down firmly. The insulation should be snug in the cavity but not compressed.

Place the insulation with the facing side down on a piece of scrap plywood. The basic installation steps are the same for walls ceilings floors and roofs in wood frame houses. Flatten the tabs against the front edge of the stud on each side. Just buy un faced batts install them to grade 1 and build your air and moisture control systems in another layer big separate discussion.

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. Tape the plastic to the walls and seal the seams with tape or hold them in place with lumber or rocks. Install batting between the roof rafters for finished attic spaces. 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.

Check the insulation manufacturer s instructions for the necessary thickness of plastic. 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. Overlap the seams by about 12 inches and run the plastic up the walls at least 6 inches. When using insulation that has either paper or plastic facing.

The energy efficiency of fiberglass insulation.