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. So i am not sure which way to install the new insulation. Just buy un faced batts install them to grade 1 and build your air and moisture control systems in another layer big separate discussion. The energy efficiency of fiberglass insulation. I have install new insulation becasue of a valve leak got the old stuff wet.
Cut the insulation roll or batt to fit the length of the framing cavity if necessary. Overlap the seams by about 12 inches and run the plastic up the walls at least 6 inches. The shower has two outside walls. When using insulation that has either paper or plastic facing.
Tape the plastic to the walls and seal the seams with tape or hold them in place with lumber or rocks. Flatten the tabs against the front edge of the stud on each side. 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. Set a t square or metal straightedge over the insulation and press it down firmly.
Install batting between the roof rafters for finished attic spaces. Place the insulation with the facing side down on a piece of scrap plywood. 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. You can use either faced or unfaced batting for this installation.
The basic installation steps are the same for walls ceilings floors and roofs in wood frame houses. If you re installing additional insulation in an attic that s already insulated use unfaced insulation that doesn t have a vapor barrier. Check the insulation manufacturer s instructions for the necessary thickness of plastic. The damn facing obscures your work slowing down the installation and resulting in a poor insulation grade.
And that s what s going on when you attempt to hang faced fiberglass.