Garage Insulation R Value Alberta

For example if you have a type of insulation that has an r value of r 5 per inch of thickness you will need a depth of 6 inches of this insulation installed in your attic to reach r 30 if you live in zones 2 or 3.

Garage insulation r value alberta.

Exterior walls if your exterior walls are constructed from 2 by 4 inch studs the most insulation that can go into the wall while retaining its r value is r 13 or r 15 as these are both made to fit a cavity. Conditions apply for insulation of attached garages. These r values are a sum meaning this should be the total r value once you add up the entire depth of insulation. This number is calculated as a function of thickness of the insulator and its physical properties.

Where batt loose fill insulation is used provide no less than full cavity insulation. It s also important to realize the value of air sealing in conjunction with insulation. You can insulate the walls ceiling and door of the garage to the highest r value possible but if you fail to fill those air gaps you ll still be wasting a lot of heat. Insulate the garage s ceiling by using the recommended r value for your area as advised by the department of energy s oak ridge laboratory.

For instance r 16. Thus r value is used to show the energy efficiency of a product. By using an insulating material you can reduce the transmission of heat or cold. Garages typically aren t built to be airtight and have lots of air gaps to the outdoors.

2 x 6 wall rsi 3 52 r 20 nominal or 2 x 4 wall rsi 2 11 r12 nominal. Attic blown in insulation garage door insulation soundproofing insulation insulation r30 insulation 16x8 ceiling and wall register high impact netting. The exterior framed walls shall be thermally insulated to a minimum nominal insulation value of rsi 2 11 r12.