What type of insulation is R38?
Fiberglass Insulation
R38 – 12 in – Fiberglass Insulation – Insulation – The Home Depot.
What size is R38 insulation?
Johns Manville R-38 Kraft-Faced Fiberglass Insulation Batt – All Sizes
| Brand | Johns Manville |
|---|---|
| Product thickness | 12″, 13″ |
| Product type | Batt |
| Product width | 16″, 24″ |
| R value | R38 |
How many square feet are in a bag of R38 insulation?
CertainTeed R-38 Kraft Faced Batt Insulation 12″ x 16″ x 48″ (42.67 sq/ft per Bag)
How thick is R38 high density batt?
10-1/4˝
The R-38 high-performance batts are 10˝ to 10-1/4˝ thick as opposed to stan- dard R-38 fiber glass insulation batts of 12˝.
Is R38 good for attic?
Insulation levels are specified by R-Value. R-Value is a measure of insulation’s ability to resist heat flow. The recommended level for most attics is to insulate to R-38 or about 10 to 14 inches, depending on insulation type.
Is R38 insulation good for attic?
The thicker the insulation, the greater/higher it’s R-value and performance. As of 2016, the standard building code for attic insulation in L.A., Orange, Ventura and surrounding counties is R-38.
What is R38 insulation used for?
Easy to handle and pre-fabricated batts with a thickness or depth of 11.25″ will be needed to attain an R-value of R38. It is used in floors of crawlspaces and attics, supplying water-resistant insulation with no forming of mildew, fungi, or mold.
What does R38 insulation mean?
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.
How much does r-38 insulation weigh?
Fiberglass Chart
| R-Value | Thickness | Min Weight/ Sq ft |
|---|---|---|
| R44 | 14.75” | 0.662 |
| R38 | 12.75” | 0.555 |
| R30 | 10.25” | 0.428 |
| R19 | 6.75” | 0.180 |
How thick is R38 Rockwool?
An insulation having an R-value of R38 is rated to minimize thermal conductivity by 97 percent….R38 Insulation Thickness For Different Insulation Materials: A Brief Guide.
| Insulation Material. | R38 Thickness Required (Inch) |
|---|---|
| Foam Board Insulation. | 9.5”-10.5” |
| Blown-In Fiberglass. | 15.7” |
| Blown-In Cellulose. | 11.98” |
| Blown-In Rockwool. | 13.8” |