R Value For Ceiling Insulation Canada

The recommended r value for attic insulation in ontario is between r 50 and r 60.
R value for ceiling insulation canada. Investing in insulation upgrades will increase your family s comfort reduce your energy expenses and increase your home s value. When determining how much insulation you need don t guesstimate calculate. Many homes in canada lack adequate insulation costing homeowners more money on energy bills to keep their houses warmer in the winter and cooler in the summer. R value measures how well certain building insulation materials can resist heat.
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. Depending on where you live and the part of your home you re insulating walls crawlspace attic etc you ll need a different r value. In such cases where r value is assigned this may decrease the r value requirement for batt insulation. The higher the r value the better the thermal performance of the insulation.
Ceiling insulation r value r value for walls and more. Just energy savings and better comfort for decades. The table below shows what levels of insulation are cost effective for different climates and. Insulation level are specified by r value.
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. R value is a measurement that rates how resistant a product is to heat flow measuring the ability of heat to transfer from one side of an object to another. Know exactly how much you need with our project calculators. Insulation keeps your home from losing and gaining excess heat and one of the places it matters most is in your ceiling.
Best of all there s typically no maintenance. Recommended home insulation r values. 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 your attic to reach r 30 if you live in zones 2 or 3. The two distinct types of attic insulation are loose fill material also commonly known as blown in insulation and batting.
R values of common types of insulation. In attics with fiberglass batts the batts should either be removed or the cellulose blown under the batts to make contact with the ceiling below. R value is a measure of insulation s ability to resist heat traveling through it. The higher the r value the greater the insulation performance.
These r values are a sum meaning this should be the total r value once you add up the entire depth of insulation.