Attic Insulation Roll Sizes

Measure the area needing insulation.

Attic insulation roll sizes.

Use our roll insulation calculator to estimate the amount of wall insulation crawlspace insulation or attic insulation you need for your project. A guide to attic insulation. It prevents heat loss in cold climates and retains cool air in warm. Recommended insulation levels for retrofitting existing wood framed buildings.

In most wall applications you will use r 13 or r 15 kraft faced fiberglass insulation rolls for these two by four stud walls. Owens corning attic insulation. They come with or without a paper or foil facing that acts as a vapor barrier. Since modern two by fours are not 4 inches the true depth of the wall cavity is 3 1 2 inches.

If your current insulation is only five inches deep you will need to add seven inches of insulation to achieve the 12 inch r 38 rating. Measure the length and width of the area you need to insulate. Its expert engineering lets you create the most comfortable environment without compromising your design. Owens corning r 30 ecotouch pink unfaced fiberglass insulation roll 23 in.

Attic insulation is the easiest way to improve your house s energy efficiency. Proper attic insulation helps regulate indoor temperature. This flexible insulation material is most often packaged in rolls that come in various thicknesses and standard widths usually 16 inches and 24 inches to fit between joists or studs in a house s framing. Guardian r 13 kraft faced fiberglass insulation roll 23 x 32 61 3 sq.

Insulation our building science makes insulation br smarter. Existing 3 4 inches of insulation. 787 537 00. For pricing and availability.

Add insulation to attic. From schools to businesses to family homes our insulation works everywhere. Johns manville r 19 48 96 sq ft single faced fiberglass roll insulation 15 in w x 39 17 ft l item 179420. The main goal of attic insulation in the house is to keep the rooms below warm in winter and cool in summer.