Attic Insulation Old

For diy attic insulation you ve got two choices.

Attic insulation old.

This old house general contractor tom silva explains the wide world of spray foam insulation how to install insulation learn how to beef up your wall s weather protection in 4 easy steps. Layer more insulation over the old for more effectiveness. Once you ve decided which type is best for you examine the material options and prices to home in on the right product. Choose from two types.

Batt insulation can be added to the underside of the roof between rafters and a layer of batt or loose insulation can be added over the attic flooring. Spray foam offers the best attic insulation performance available. Keep your space dry with faced insulation. They sport insulation values of approximately r 6 5 and r 3 6 per inch respectively.

Both can be added to uninsulated attics or layered over existing material. But just because your insulation is old doesn t mean it is dangerous. Closed cell and open cell aka 2 pound and pound respectively. One of the most common materials containing asbestos fibers is attic and wall insulation.

Cold areas require a higher r value like an r 49. When installed properly both types of insulation fill all of the nooks and crannies in a space and. Rigid insulation is extruded into board form and is often made of plastic. Loose fill or batt the common term for blanket insulation.

Proper attic insulation is the best way to prevent heat loss in the winter and retain cool air in the summer. The format of house insulation you need depends on where you put it and if you need to control moisture. In older homes specifically asbestos may be found in many different materials from pipe insulation to flooring adhesive to roof shingles. Signs that your attic insulation is subpar include drafts uneven temperatures between rooms high heating cooling bills and ice dams in the winter i e those pretty icicles that hang from the.

Foam insulation is sprayed into place and expands to fill the cavity. So it s time to pay close attention to what s happening up there.