Attic Insulation Requirements Ontario

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.

Attic insulation requirements ontario.

Inspecting your attic insulation. Achieving greater r values in attics the higher the r value the better the thermal performance of the insulation. Add insulation to attic. 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 recommended r value has been raised from r 50 to r 60 in order to increase the insulation of the attics. These are changes made in order to increase the energy efficiency of the home and thus also save energy. You may or may not be aware that insulation codes have changed for all new builds with permits issued after 2016. The ontario building code access 9 19 2 1.

Beam and floor joist spans are very adequate by todays standards. Choosing energy efficient upgrades. The change that occurred in the attic insulation in the ontario building code was in the minimum required r value. 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 insulation levels for retrofitting existing wood framed buildings. Existing 3 4 inches of 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. Insulation or a thermal barrier.

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. Continuous insulation this refers to a monolithic. Attic insulation requirements another area where the ontario building code has seen changes is in attic insulation requirements. The building code requires that any space that separates the indoors from the outdoors must have.

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.