How many inches of insulation is R38?
10.25 in
R38 – 10.25 in – Fiberglass Insulation – Insulation – The Home Depot.
What kind of insulation is R38?
Fiberglass Insulation
R38 – Fiberglass Insulation – Insulation – The Home Depot.
What is the highest R-value for rigid insulation?
R-6.5 to R-6.8
Polyisocyanurate: Known as polyiso for short, polyisocyanurate foam has the highest R-value per inch (R-6.5 to R-6.8) of any rigid insulation.
How many square feet does a bag of R38 cover?
The coverage for each package is 42.67 sq. ft. The coverage for the 8 bag pallet 341.36 sq.
Is R38 attic insulation enough?
R-Value is a measure of insulation’s ability to resist heat flow. The higher the R-Value, the better the thermal performance of the insulation. The recommended level for most attics is to insulate to R-38 or about 10 to 14 inches, depending on insulation type.
Is r38 attic insulation enough?
Is r38 good insulation?
So, for your attic insulation, we have a minimum standard of R-38, and a recommended standard of R-49. R-Value is explained as thus: “the resistance, or strength of a material to slowing down the flow (movement) of heat”. Generally speaking, cellulose attic insulation doesn’t care which way the heat is moving.
How many square feet is r38 insulation?
What is the cost of R38 insulation?
Fair Cost Guide – R38 Insulation
| Item details | Low | High |
|---|---|---|
| Total Excludes sales tax, any applicable fees, dump charges, and costs for repair or remediation not mentioned in the work description. | $2,123.74 | $3,341.05 |
Is R38 attic insulation good?
How thick is R38 attic insulation?
Fiberglass Chart
| R-Value | Thickness | Bags / 1000 Sq Ft |
|---|---|---|
| R44 | 14.75” | 20.1 |
| R38 | 12.75” | 16.8 |
| R30 | 10.25” | 13.0 |
| R19 | 6.75” | 8.1 |
How many square feet is R38 insulation?
Is R38 good for attic?
Here, where temps get pretty hot for much of the year, attics should have from R30 to R60 (average is R38). Those living up north want anything from R49 to R60. This helps insulate against the extreme cold weather. The more insulation you use, the better insulated your home will be.
Is R38 better than R49?
R-38 is Fall & Spring protection. > R-49 gives you Winter & Summer protection. During Atlanta’s hot sunny days, you might squeak by with R-38 if you have plenty of mid-day and afternoon shade and a lighter colored roof.
