R Value For Ceiling Insulation Canada

The higher the r value the greater the insulation performance.

R value for ceiling insulation canada.

The recommended r value for attic insulation in ontario is between r 50 and r 60. 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. Insulation level are specified by r value. R values of common types of insulation.

In such cases where r value is assigned this may decrease the r value requirement for batt insulation. 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. These r values are a sum meaning this should be the total r value once you add up the entire depth of insulation.

The higher the r value the better the thermal performance of the 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. 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. 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.

Best of all there s typically no maintenance. 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. Our calculator helps you measure what r value for exterior walls you may be looking for as well as for different applications. R value measures how well certain building insulation materials can resist heat.

The two distinct types of attic insulation are loose fill material also commonly known as blown in insulation and batting. The r value of the insulation for every inch of thickness depends on the type of insulation. 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. Insulation keeps your home from losing and gaining excess heat and one of the places it matters most is in your ceiling.

If there is already blown in insulation in place cellulose can be blown over the top to increase the r value and overall performance. Investing in insulation upgrades will increase your family s comfort reduce your energy expenses and increase your home s value. Know exactly how much you need with our project calculators. When determining how much insulation you need don t guesstimate calculate.

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.