Installing Insulation In Attic Walls

If using insulation with a vapor retardant facing install the material with the vapor retardant side down.

Installing insulation in attic walls.

The facing has a tab called a flange running along each side edge of the insulation. Choose fiberglass insulation batting. If installing unfaced insulation in unfinished walls such as an interior wall allow friction to hold the insulation in place. Fiberglass insulation is energy efficient affordable easy to install and readily available in a wide variety of sizes types and r values.

Loose fill and blown insulation. Rolls and batts either of which is a good choice for insulating interior open stud walls. Blanket type insulation comes in two forms. Roll insulation is best for floors ceilings and roofs with a long joist or rafter bays and for tall walls.

Both can be added to uninsulated attics or layered over existing material. All kraft faced insulation is easy to cut with a sharp utility knife or insulation knife. The grade of batting will vary depending on the wall that you re insulating. By far the easiest and most economical method for controlling noise is to install insulation in the wall cavity.

For diy attic insulation you ve got two choices. 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. Because it is forced through a tube and blown into space loose fill is best suited for unfinished attics and hard to reach areas. The r value of the batt measures the thermal resistance so the higher the r value the more effectively.

Loose fill or batt the common term for blanket insulation. Expert advice on how to install fiberglass insulation including methods for insulating walls floors ceilings attics and more. Includes cutting and fastening insulation and insulating around obstacles. Adding insulation beneath drywall in a typical interior wall can increase sound control and increase the sound transmission class stc rating.

To install insulation batts and blankets. Once you ve decided which type is best for you examine the material options and prices to home in on the right product. In most homes walls between rooms are only marginally effective at blocking noise. Begin at a wall and work toward the center of the attic floor or the entryway carefully placing insulation between joists and ensuring a snug fit.