Existing 3 4 inches of insulation.
Attic insulation r value alberta.
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.
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.
Your home s age if your home is more than 10 year old you likely need more insulation.
Just energy savings and better comfort for decades.
Pa302 1 ceilings with attic spaces n1102 2 1 r402 2 1.
Attic insulation r value attics are often very cold and non utilized spaces in homes and businesses alike.
Recommended insulation levels for retrofitting existing wood framed buildings.
If there is an hrv then they can go with a r value of 50.
The further complication to my table is the fact that all federal codes are calculated and published in metric which means rsi insulation values.
Alberta new building code for attic insulation.
Know exactly how much you need with our project calculators.
If your home is un insulated or under insulated you ll spend extra money on your heating bills trying to maintain comfortable temperatures.
When determining how much insulation you need don t guesstimate calculate.
Heating and cooling account for 50 to 70 percent of the energy used in the average home.
And r value of r 49 or even more is often required in calgary attics due to the cold average temperatures in the city.
Reduce your energy expenses and increase your home s value.
There are many ways to retrofit a home with fiberglass and.
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.
However there is an exception.
R value 60 if the builder doesn t install an hrv.
In such cases where r value is assigned this may decrease the r value requirement for batt insulation.
Best of all there s typically no maintenance.
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.
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.
Insulating an attic delivers the greatest return on investment for most alberta homes.
Watch attic insulation energy efficiency alberta video on youtube.
The 2015 irc requires r 49 insulation for ceilings with attic spaces.
R value measures how well certain building insulation materials can resist heat.
