Attic Insulation R Value Alberta

Energy efficiency alberta s rebates are available for insulation added to a home s attic main walls.

Attic insulation r value alberta.

When determining how much insulation you need don t guesstimate calculate. 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. Much of the heat in your residential or commercial property can escape through the attic without adequate insulation.

Heating and cooling account for 50 to 70 percent of the energy used in the average home. If your home is un insulated or under insulated you ll spend extra money on your heating bills trying to maintain comfortable temperatures. Alberta new building code for attic insulation. And r value of r 49 or even more is often required in calgary attics due to the cold average temperatures in the city.

R value 60 if the builder doesn t install an hrv. Insulating an attic delivers the greatest return on investment for most alberta homes. 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. Best of all there s typically no maintenance.

If you multiply rsi by 5 679 you will get the old imperial r value which everyone at the renovation centre still understands. Recommended insulation levels for retrofitting existing wood framed buildings. Pa302 1 ceilings with attic spaces n1102 2 1 r402 2 1. The 2015 irc requires r 49 insulation for ceilings with attic spaces.

In such cases where r value is assigned this may decrease the r value requirement for batt insulation. Reduce your energy expenses and increase your home s value. 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. R value measures how well certain building insulation materials can resist heat.

Know exactly how much you need with our project calculators. You will need a higher r value of insulation if you live in the northeast than if you live in southern california. The further complication to my table is the fact that all federal codes are calculated and published in metric which means rsi insulation values. Where you live different climates require different insulation r values.

Add insulation to attic. Attic insulation r value attics are often very cold and non utilized spaces in homes and businesses alike. If there is an hrv then they can go with a r value of 50. Watch attic insulation energy efficiency alberta video on youtube.

Existing 3 4 inches of insulation. However there is an exception.