Attic Insulation R Value Alberta

Heating and cooling account for 50 to 70 percent of the energy used in the average home.

Attic insulation r value alberta. Best of all there s typically no maintenance. Attic insulation r value attics are often very cold and non utilized spaces in homes and businesses alike. The higher the r value the greater the insulation performance. Existing 3 4 inches of insulation.

Alberta new building code for attic insulation. Watch attic insulation energy efficiency alberta video on youtube. If your home is un insulated or under insulated you ll spend extra money on your heating bills trying to maintain comfortable temperatures. There are many ways to retrofit a home with fiberglass and.

R value measures how well certain building insulation materials can resist heat. Know exactly how much you need with our project calculators. Your home s age if your home is more than 10 year old you likely need more insulation. Foam plastic insulation on the interior of the building envelope must adhere to the requirements of protection of foamed plastics as per 9 10 17 10 of the national building code of canada.

Add insulation to attic. Looking at the alberta building code it says that new residential buildings need to have their attic insulated to rsi value of 10 43 i e. The 2015 irc requires r 49 insulation for ceilings with attic spaces. R 38 shall be deemed to satisfy the requirement for r 49 wherever the full height of uncompressed r 38 insulation extends over the wall top plate at the eaves.

If you multiply rsi by 5 679 you will get the old imperial r value which everyone at the renovation centre still understands. Energy efficiency alberta s rebates are available for insulation added to a home s attic main walls. Much of the heat in your residential or commercial property can escape through the attic without adequate insulation. R value 60 if the builder doesn t install an hrv.

The further complication to my table is the fact that all federal codes are calculated and published in metric which means rsi insulation values. In such cases where r value is assigned this may decrease the r value requirement for batt insulation. However there is an exception. Just energy savings and better comfort for decades.

Where you live different climates require different insulation r values. You will need a higher r value of insulation if you live in the northeast than if you live in southern california. If there is an hrv then they can go with a r value of 50. Insulating an attic delivers the greatest return on investment for most alberta homes.

Recommended insulation levels for retrofitting existing wood framed buildings. Pa302 1 ceilings with attic spaces n1102 2 1 r402 2 1.