Attic Insulation Roll Sizes

The main goal of attic insulation in the house is to keep the rooms below warm in winter and cool in summer.

Attic insulation roll sizes.

Recommended insulation levels for retrofitting existing wood framed buildings. R 38 is the industry standard and the minimum thickness for r 38 is 12 inches. 787 537 00. Owens corning ecotouch r 15 30 sq ft single faced fiberglass roll insulation 15 in w x 24 ft l item 821444.

A guide to 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. Add insulation to attic. Proper attic insulation helps regulate indoor temperature.

Attic insulation is the easiest way to improve your house s energy efficiency. For pricing and availability. Owens corning r 30 ecotouch pink unfaced fiberglass insulation roll 23 in. Measure the area needing insulation.

It prevents heat loss in cold climates and retains cool air in warm. Insulation our building science makes insulation br smarter. 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. 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.

Owens corning attic insulation. From schools to businesses to family homes our insulation works everywhere. Its expert engineering lets you create the most comfortable environment without compromising your design. Insulation for 2x4 walls most wall assemblies especially those in older homes are built with two by four 2x4 studs.

Use our roll insulation calculator to estimate the amount of wall insulation crawlspace insulation or attic insulation you need for your project. Since modern two by fours are not 4 inches the true depth of the wall cavity is 3 1 2 inches. They come with or without a paper or foil facing that acts as a vapor barrier. Existing 3 4 inches of insulation.