R 38 In The Attic

Recommended home insulation r values.

R 38 in the attic.

Add the right kind of insulation. 90 grains might be approaching the ma. The average cost of blown in insulation to achieve an r value of r 38 r 49 is 1 665 with most homeowners spending between 874 and 2 156 or 1 59 per square foot. R value is a measure of insulation s ability to resist heat flow.

Kraft faced insulation has a vapor retarder that helps to control moisture. The higher the r value the better the thermal performance of the insulation. Use rockwool thermal stone wool insulation to insulate the attic of a new build extension or to increase the r value and top up the current attic insulation especially in an older home. Owens corning pink insulation is soft to the touch and easy to install.

12 rolls r 38 kraft faced fiberglass insulation batt 24 in. Here s what i mean. The thicker the insulation the greater the r value. 8 bags r 19 kraft faced fiberglass insulation roll 23 in.

Insulation levels are specified by r value. The higher the r value the better the thermal performance of the insulation. An insulation value of r 38 is at the high end and requires a. Sixty grains even faster.

8 bags r 38 ecotouch pink unfaced fiberglass insulation batt 16 in. 8 bags model k91 view the owens corning attic insulation. Insulation thickness determines its thermal resistance or r value. Select your attic insulation application.

R 38 ecotouch pink kraft faced fiberglass insulation batt 16 in. Insulation level are specified by r value. Whoa whoa david oswald you ve just entered the domain of the law of diminishing returns. R values like r 38 are used by the construction industry to describe the thermal resistance of insulation materials like those used to insulate your attic when you are looking at an r 38 insulation you are actually reading a description of its resistance rather than size or thickness of the material.

When you need to add insulation to an attic crawl space or walls of a home the fastest and most cost efficient method is to use blown in insulation. R value is a measure of insulation s ability to resist heat traveling through it.