R38 Attic Insulation Thickness

An insulation value of r 38 is at the high end and requires a minimum thickness of 12 inches. Having the correct amount of attic insulation can help you maintain a comfortable temperature throughout your home and help save money on your energy bills plus prevent major issues like ice dams in the winter. Insulation is designed to eliminate r value loss caused by compressing standard r 38 products in 2x12 cathedral ceiling construction.

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September 15 2020 categories.

R38 attic insulation thickness.

Existing 3 4 inches of insulation. Which should be unfaced needs no additional joist support if you intend to finish the attic there is no reason to insulate the joists which will not protect the temperature in the attic. Input length width and desired r value of the area to be insulated. The thicker the insulation the greater the r value.

10 thick r 38c ecotouch thermal batt insulation prevents moisture damage and help assure long roof life by providing 1 of ventilation air space between the insulation and roof deck. Insulation is designed to eliminate r value loss caused by compressing standard r 38 products in 2x12 cathedral ceiling construction. Use the home depot app to achieving greater r values in attics the higher the r value the better the thermal performance of the insulation. Click the button to calculate the depth in inches and pounds of total insulation required for this job.

10 thick r 38c ecotouch thermal batt insulation prevents moisture damage and help assure long roof life by providing 1 of ventilation air space between the. Knauf insulation r 38 ecobatt kraft faced high density fiberglass insulation batt 10 1 4 in. The thickness of your r 38 insulation will depend on the material you have the brand and how it s installed. If you think you re among the 90 of us homes that are under insulated 1 performing a simple insulation inspection will help you determine your insulation needs.

An r 38 fiberglass batt should be approximately 12 inches thick while the thickness of cellulose insulation of a finished fitted product will larger. She also enjoys writing business and finance food and drink and pet related articles. R38 kraft batts in bags insulation bf80. This calculator is to be used as an estimating tool only.

Add insulation to attic. Visit the home depot to buy owens corning 12 in. An r 38 fiberglass batt should be approximately 12 inches thick while the thickness of cellulose insulation of a finished fitted product will larger. The fiberglass comes in rolls also known as batts which vary in size.

Wall insulation whenever exterior siding is removed on an.