Attic Insulation Old

Loose fill or batt the common term for blanket insulation.

Attic insulation old.

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. 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. Layer more insulation over the old for more effectiveness.

The format of house insulation you need depends on where you put it and if you need to control moisture. Radiant barriers which are usually installed in the attic have aluminum foil backing to prevent heat from radiating through. Spray foam offers the best attic insulation performance available. For diy attic insulation you ve got two choices.

When installed properly both types of insulation fill all of the nooks and crannies in a space and. Proper attic insulation is the best way to prevent heat loss in the winter and retain cool air in the summer. Closed cell and open cell aka 2 pound and pound respectively. 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.

Cold areas require a higher r value like an r 49. Both can be added to uninsulated attics or layered over existing material. One of the most common materials containing asbestos fibers is attic and wall insulation. Keep your space dry with faced insulation.

Choose from two types. Depending on your climate an r value between 38 and 60 is optimal. Increase your r value by layering insulation. Rigid insulation is extruded into board form and is often made of plastic.

But just because your insulation is old doesn t mean it is dangerous. Foam insulation is sprayed into place and expands to fill the cavity.