Attic Insulation Requirements 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.

Attic insulation requirements ontario. Continuous insulation this refers to a monolithic. 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. The building code requires that any space that separates the indoors from the outdoors must have. 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.

Insulation or a thermal barrier. Existing 3 4 inches of insulation. And with raised heals on the truss there s plenty of insul. The recommended r value has been raised from r 50 to r 60 in order to increase the insulation of the attics.

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. The ontario building code requirements for insulation is only one of many sections within the act that helps protect you and other people from unsafe building practices materials and construction methods. Attic insulation requirements another area where the ontario building code has seen changes is in attic insulation requirements. Recommended insulation levels for retrofitting existing wood framed buildings.

Inspecting your attic insulation. Achieving greater r values in attics the higher the r value the better the thermal performance of the insulation. Access 1 everyattic or roof space shall be provided with an access hatch where the attic or roof space a measures not less than i 10 m in area ii 1 000 mm in length or width and iii 600 mm in height over at least the area described in subclauses i and ii or. The ontario building code access 9 19 2 1.

Beam and floor joist spans are very adequate by todays standards. Add insulation to attic. 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 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.

The change that occurred in the attic insulation in the ontario building code was in the minimum required r value.