First things first you need to go up into your attic inspect the condition of the insulation and calculate the current level of insulation.
Recommended attic insulation r value canada.
These r values are a sum meaning this should be the total r value once you add up the entire depth of insulation.
Inspecting your attic insulation.
And increase your home s value.
Find your zone on the map and then use the above insulation r value chart to determine the level of insulation you need to properly insulate your attic walls floors and crawlspaces.
Best of all there s typically no maintenance.
In particularly cold climates you might go up to r 60.
Just energy savings and better comfort for decades.
The table below shows what levels of insulation are cost effective for different climates and.
R value is a measure of insulation s ability to resist heat traveling through it.
In general an attic s r value should be between r 30 and r 49.
The province the city and the area greatly influence the difference in r value for the insulation of an attic.
The higher the r value the better the thermal performance of the insulation.
In such cases where r value is assigned this may decrease the r value requirement for batt insulation.
Recycled glass or sand that s melted and spun into fibers.
Your home s r value score will guide you toward the type of insulation you need.
Your attic should have a certain amount of insulation in it and the recommended level of insulation for your attic is dependent on where you live.
See the department of energy s doe ranges for recommended levels of insulation below.
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.
Improve the insulation in your attic on your above grade walls in the basement and in exposed floors for a more comfortable and energy efficient home.
Recommended home insulation r values.
Typical recommendations for exterior walls are r 13 to r 23 while r 30 r 38 and r 49 are common for ceilings and attic spaces.
After installing insulation in the existing cavities nail or screw strapping 2 x 2 or 2 x 3 on edge perpendicular to the rafters and studs.
Lighter in weight than cellulose or mineral wool but it settles more than those materials so you ve got to put in a thicker layer to get the protection you need.
