Installing Insulation In Attic Walls

Both can be added to uninsulated attics or layered over existing material.

Installing insulation in attic walls.

Loose fill and blown insulation. While wearing dust mask and gloves carry r 38 batts of unfaced fiberglass insulation into the attic. Fiberglass batts foam or cellulose can be used to insulate the interior walls. This necessitates professional installation however.

The grade of batting will vary depending on the wall that you re insulating. Blanket type insulation comes in two forms. When installing the insulation in wood frame structures you. Not sure where exactly to insulate.

Roll insulation is best for floors ceilings and roofs with a long joist or rafter bays and for tall walls. If installing unfaced insulation in unfinished walls such as an interior wall allow friction to hold the insulation in place. Good to know stapling on the inside of studs is preferred by many drywallers because it leaves the edges of the framing members easier to locate. Loose fill or batt the common term for blanket insulation.

Both fiberglass and cellulose are great for this job. For diy attic insulation you ve got two choices. Once you ve decided which type is best for you examine the material options and prices to home in on the right product. Use fireproof caulk to seal up cracks holes and openings around all.

The first area to insulate is the attic. However you must complete an important step before installing any insulation. Choose fiberglass insulation batting. The facing has a tab called a flange running along each side edge of the insulation.

The r value of the batt measures the thermal resistance so the higher the r value the more effectively. There are various grades of insulating batting for different locations in the house so you ll need a different insulation for interior exterior attic or basement walls. Walls both exterior and interior are the next area to insulate in a home. Probably in more place than you think.

All kraft faced insulation is easy to cut with a sharp utility knife or insulation knife. Rolls and batts either of which is a good choice for insulating interior open stud walls. Rigid boards work best on exterior walls along with a vapor barrier. Unfaced insulation adds an additional layer to attic insulation insulating the attic consists of setting insulation between the floor joists which are the ceiling joists of the room below.

In this video this old house general contractor tom silva and host kevin o connor explain how to insulate an attic. Lay the batts across the ceiling joists covering the existing insulation.