Attic Insulation Requirements Ontario
Existing 3 4 inches of insulation.
Attic insulation requirements ontario. Beam and floor joist spans are very adequate by todays standards. Insulation or a thermal barrier. And with raised heals on the truss there s plenty of insul. Attic insulation requirements another area where the ontario building code has seen changes is in attic insulation requirements.
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 building code requires that any space that separates the indoors from the outdoors must have. These are changes made in order to increase the energy efficiency of the home and thus also save energy. Achieving greater r values in attics the higher the r value the better the thermal performance of the insulation.
Add insulation to attic. First things first you need to go up into your attic inspect the condition of the insulation and calculate the current level of insulation. The ontario building code access 9 19 2 1. 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. Continuous insulation this refers to a monolithic. 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. 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. Inspecting your attic insulation. Choosing energy efficient upgrades.
Recommended insulation levels for retrofitting existing wood framed buildings.