Attic Insulation Old

Rigid insulation is extruded into board form and is often made of plastic.

Attic insulation old.

Increase your r value by layering insulation. When installed properly both types of insulation fill all of the nooks and crannies in a space and. Loose fill or batt the common term for blanket insulation. Spray foam offers the best attic insulation performance available.

Closed cell and open cell aka 2 pound and pound respectively. But just because your insulation is old doesn t mean it is dangerous. The format of house insulation you need depends on where you put it and if you need to control moisture. Both can be added to uninsulated attics or layered over existing material.

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. So it s time to pay close attention to what s happening up there. Proper attic insulation is the best way to prevent heat loss in the winter and retain cool air in the summer. Depending on your climate an r value between 38 and 60 is optimal.

Keep your space dry with faced insulation. 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. For diy attic insulation you ve got two choices.

They sport insulation values of approximately r 6 5 and r 3 6 per inch respectively. Radiant barriers which are usually installed in the attic have aluminum foil backing to prevent heat from radiating through. Foam insulation is sprayed into place and expands to fill the cavity. 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.

Choose from two types. Once you ve decided which type is best for you examine the material options and prices to home in on the right product.