How To Install Kraft Faced Insulation In Attic

Unfold the mounting tab along each vertical edge of the batt.

How to install kraft faced insulation in attic.

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. The basic installation steps are the same for walls ceilings floors and roofs in wood frame houses. 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. Place the insulation with the facing side down on a piece of scrap plywood.

Tape the plastic to the walls and seal the seams with tape or hold them in place with lumber or rocks. So i am not sure which way to install the new insulation. The insulation should be snug in the cavity but not compressed. Cut the insulation roll or batt to fit the length of the framing cavity if necessary.

When using insulation that has either paper or plastic facing. Flatten the tabs against the front edge of the stud on each side. 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. Check the insulation manufacturer s instructions for the necessary thickness of plastic.

Install batting between the roof rafters for finished attic spaces. If you re installing additional insulation in an attic that s already insulated use unfaced insulation that doesn t have a vapor barrier. Just buy un faced batts install them to grade 1 and build your air and moisture control systems in another layer big separate discussion. Overlap the seams by about 12 inches and run the plastic up the walls at least 6 inches.

I have install new insulation becasue of a valve leak got the old stuff wet. The energy efficiency of fiberglass insulation. Set a t square or metal straightedge over the insulation and press it down firmly. The shower has two outside walls.

You can use either faced or unfaced batting for this installation.