Existing 3 4 inches of insulation.
Attic insulation roll sizes.
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.
Johns manville r 19 48 96 sq ft single faced fiberglass roll insulation 15 in w x 39 17 ft l item 179420.
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 r 30 ecotouch pink unfaced fiberglass insulation roll 23 in.
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.
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.
The main goal of attic insulation in the house is to keep the rooms below warm in winter and cool in summer.
They come with or without a paper or foil facing that acts as a vapor barrier.
Insulation our building science makes insulation br smarter.
Measure the area needing insulation.
Insulation for 2x4 walls most wall assemblies especially those in older homes are built with two by four 2x4 studs.
A guide to attic insulation.
Measure the length and width of the area you need to insulate.
Use our roll insulation calculator to estimate the amount of wall insulation crawlspace insulation or attic insulation you need for your project.
Recommended insulation levels for retrofitting existing wood framed buildings.
787 537 00.
Proper attic insulation helps regulate indoor temperature.
Owens corning attic insulation.
Attic insulation is the easiest way to improve your house s energy efficiency.
For pricing and availability.
From schools to businesses to family homes our insulation works everywhere.
Owens corning ecotouch r 15 30 sq ft single faced fiberglass roll insulation 15 in w x 24 ft l item 821444.