Attic Insulation Roll Sizes

A guide to attic insulation.

Attic insulation roll sizes.

In most wall applications you will use r 13 or r 15 kraft faced fiberglass insulation rolls for these two by four stud walls. Since modern two by fours are not 4 inches the true depth of the wall cavity is 3 1 2 inches. From schools to businesses to family homes our insulation works everywhere. Use our roll insulation calculator to estimate the amount of wall insulation crawlspace insulation or attic insulation you need for your project.

They come with or without a paper or foil facing that acts as a vapor barrier. Guardian r 13 kraft faced fiberglass insulation roll 23 x 32 61 3 sq. 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. Measure the length and width of the area you need to insulate.

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. 787 537 00. Owens corning attic insulation. Johns manville r 19 48 96 sq ft single faced fiberglass roll insulation 15 in w x 39 17 ft l item 179420.

Its expert engineering lets you create the most comfortable environment without compromising your design. Attic insulation is the easiest way to improve your house s energy efficiency. Owens corning r 30 ecotouch pink unfaced fiberglass insulation roll 23 in. It prevents heat loss in cold climates and retains cool air in warm.

R 38 is the industry standard and the minimum thickness for r 38 is 12 inches. Insulation our building science makes insulation br smarter. Owens corning ecotouch r 15 30 sq ft single faced fiberglass roll insulation 15 in w x 24 ft l item 821444. Existing 3 4 inches of insulation.

The main goal of attic insulation in the house is to keep the rooms below warm in winter and cool in summer. Add insulation to attic. Proper attic insulation helps regulate indoor temperature. Measure the area needing insulation.