Attic Insulation Old

Depending on your climate an r value between 38 and 60 is optimal.

Attic insulation old.

Foam insulation is sprayed into place and expands to fill the cavity. When installed properly both types of insulation fill all of the nooks and crannies in a space and. Increase your r value by layering insulation. Keep your space dry with faced insulation.

Both can be added to uninsulated attics or layered over existing material. For diy attic insulation you ve got two choices. Loose fill or batt the common term for blanket insulation. Spray foam offers the best attic insulation performance available.

Radiant barriers which are usually installed in the attic have aluminum foil backing to prevent heat from radiating through. But just because your insulation is old doesn t mean it is dangerous. In older homes specifically asbestos may be found in many different materials from pipe insulation to flooring adhesive to roof shingles. 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.

One of the most common materials containing asbestos fibers is attic and wall insulation. The format of house insulation you need depends on where you put it and if you need to control moisture. Cold areas require a higher r value like an r 49. Layer more insulation over the old for more effectiveness.

So it s time to pay close attention to what s happening up there. Rigid insulation is extruded into board form and is often made of plastic. 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. They sport insulation values of approximately r 6 5 and r 3 6 per inch respectively.

Once you ve decided which type is best for you examine the material options and prices to home in on the right product. Closed cell and open cell aka 2 pound and pound respectively.