Attic Insulation Requirements Ontario

These are changes made in order to increase the energy efficiency of the home and thus also save energy.

Attic insulation requirements ontario.

Add insulation to attic. Choosing energy efficient upgrades. Recommended insulation levels for retrofitting existing wood framed buildings. You may or may not be aware that insulation codes have changed for all new builds with permits issued after 2016.

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. Beam and floor joist spans are very adequate by todays standards. The building code requires that any space that separates the indoors from the outdoors must have.

Existing 3 4 inches of insulation. The ontario building code access 9 19 2 1. 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. 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.

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 another area where the ontario building code has seen changes is in attic insulation requirements. The recommended r value has been raised from r 50 to r 60 in order to increase the insulation of the attics. The change that occurred in the attic insulation in the ontario building code was in the minimum required r value.

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. 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. Achieving greater r values in attics the higher the r value the better the thermal performance of the insulation. And with raised heals on the truss there s plenty of insul.

Inspecting your attic insulation.