Technical Information

R-VALUE | BAGS PER 1000 SQ. FT. |
(MINNESOTA ONLY*) ADDITIONAL BAGS PER 1000 SQ. FT. |
---|---|---|

R-38 | 19 | 2.5 |

R-44 | 22.4 | 2.6 |

R-49 | 25 | 3.7 |

R-60 | 31.5 | 4.9 |

6

Contents

- 1 How many square feet are in a bag of R30 insulation?
- 2 How much blown insulation do I need calculator?
- 3 How many inches of loose fill insulation do I need?
- 4 How many square feet are in a bag of r12 insulation?
- 5 How do I calculate how much insulation I need?
- 6 What is R49 insulation used for?
- 7 What is the difference between r38 and R49 insulation?
- 8 How much does R49 insulation cost?
- 9 How many square feet are in a bag of blown insulation?
- 10 How many bags of insulation do I need in my attic?
- 11 How do you figure square footage for insulation?
- 12 How many inches of insulation do I need for R 60?
- 13 How many inches is R20 insulation?

## How many square feet are in a bag of R30 insulation?

x 24 in. x 48 in. Batts ( 88 sq ft /bag)

## How much blown insulation do I need calculator?

Cellulose blow-in insulation is constructed out of recycled paper. To determine how much cellulose insulation you need, take the square footage of the space and divide it by either the depth or the desired R-value.

## How many inches of loose fill insulation do I need?

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.

## How many square feet are in a bag of r12 insulation?

R-12 EcoTouch PINK FIBERGLAS Insulation 23-inch x 47-inch x 3.5-inch ( 150.1 sq. ft. )

## How do I calculate how much insulation I need?

To determine the amount of insulation needed, start by measuring the height and length of each of your room walls. Multiply the wall’s length by the wall’s height and don’t forget to write down the spacing of the studs so you can then determine what type of the insulation will be purchased.

## What is R49 insulation used for?

The Owens Corning Paperfaced R49 is a flexible fiberglass insulation proposed to control moisture in concealed applications in between the studs and joists. With a paper facing on one side of the insulation, the R-49 Paperface Batt Insulation is smooth and flexible and can be easily cut for installation.

## What is the difference between r38 and R49 insulation?

A ceiling with an R-value of 38 lets through only 1/38 of the amount of energy per square foot that passes through that window, or about 2.6 % of the energy; a ceiling with an R-value of 49 lets through only 1/49 of the amount of energy per square foot that passes through that window, or about 2.0 % of the energy.

## How much does R49 insulation cost?

Blown-In Insulation Cost 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. This price does not include air sealing and ventilation which costs $350 to $1,500.

## How many square feet are in a bag of blown insulation?

Owens Corning 19 Fiberglass Blown-In Insulation Sound Barrier 110.7 Sq. per bag.

## How many bags of insulation do I need in my attic?

On the insulation manufacturers label on every bag you’ll find that for an R-25 you’ll need 28 bags per 1000 sq ft. So if you have 2100 sq ft, take 28 x 2 = 56 bags for 2000 sq ft. For the last 100 sq ft, take 1/10 x 28 bags = 3 additional bags rounded up.

## How do you figure square footage for insulation?

Measure the height and width of any windows or doors in the wall. Multiply the measurements to find the area of each window or door, and subtract them from the total square footage of the wall. This gives you the square footage of insulation you need for that wall.

## How many inches of insulation do I need for R 60?

The average recommended level is 17 inches of R60. In Zone 4, the average minimum requirement for attic insulation is 11 inches of R38 fill. The average recommended level is 17 inches of R60.

## How many inches is R20 insulation?

R-20 EcoTouch PINK FIBERGLAS Insulation 15-inch x 47-inch x 6-inch (78.3 sq. ft.)