Minimum Attic Insulation Ontario

Ontario building code sb 12 insulation requirement increases since 2x6 construction with 2 centers i ve always layed our so that everything is lined up from the foundation to the truss.

Minimum attic insulation ontario.

First things first you need to go up into your attic inspect the condition of the insulation and calculate the current level of insulation. Continuous insulation this refers to a monolithic. The table below shows what levels of insulation are cost effective for different climates and locations in the home. R value is a measure of insulation s ability to resist heat traveling through it.

The recommended r value has been raised from r 50 to r 60 in order to increase the insulation of the attics. Achieving greater r values in attics the higher the r value the better the thermal performance of the insulation. Find your zone on the map and then use the chart to determine the level of insulation you need to properly insulate your attic walls floors and crawlspaces. Attic insulation value requirements have been raised so that the density for new homes and additions in ontario now has been raised from r 50 to r 60.

The ontario building code requirements for insulation is only one of many sections within the act that helps protect you and other people. 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. Insulation level are specified by r value. Canada eco energy ontario homeowner s can get up to 750 in grants from the canadian government for attic insulation.

The higher the r value the better the thermal performance of the insulation. The ontario building code act is a legal framework set up by the provincial government to establish minimum building standards and it applies to any new builds renovations or change of use construction. Beam and floor joist spans are very adequate by todays standards. The ontario building code access 9 19 2 1.

The government of canada grants up to 5 000 for home energy renovation s through the eco energy retrofit homes program which is in effect until march 31 2012. You may or may not be aware that insulation codes have changed for all new builds with permits issued after 2016. The two most important changes in the code for insulation have to do with continuous insulation throughout the building and increasing attic insulation from r 50 to r 60. Another area where the ontario building code has seen changes is in attic insulation requirements.

Inspecting your attic insulation.