What is the minimum R-value for walls in Ontario?
Exterior walls, for example, are recommended to have an Insulation R-Value of at least R-40, while ceilings and attic spaces will need a higher R-Value which with new recommendations, goes up to R-60.
What is the minimum R-value for basement walls?
R-10
The basement walls need to be insulated to a minimum value of R-10 for continuous insulation (such as foam plastic insulation) or R-13 for framing cavity insulation based on the component requirements of Table N1102.
What R-value do I need in Ontario?
Generally speaking, a higher R-value means better insulating properties. The recommended R-value for attic insulation in Ontario is between R-50 and R-60.
What is code for basement wall insulation?
Concrete foundation walls in finished rooms/areas shall be furred out and insulated with a minimum of R-8 insulation extending down to the basement floor slab on basement walls less than 50% above grade and a minimum of R-13 insulation on basement walls that are more than 50% above grade.
How do you insulate a basement wall in Ontario?
Rockwool mineral wool insulation is a common choice to insulate basement walls in Ontario. Made with a stone fibre composition, Rockwool mineral wool insulation is naturally fire resistant and can be applied to basement walls just like fibreglass batts (i.e. a blanket wrap).
Is R10 enough for basement?
R10 is adequate for a basement, assuming all the walls are below ground. 2 inch thick foam generally gives R10.
What insulation should I use for basement walls?
There are several types of basement wall insulation, including sprayed foam, bubble foil, foam board and fiberglass. Sprayed foam insulation is a viable choice for a homeowner who is looking for a do-it-yourself option for a finished basement. The foam is applied in exactly the manner as it sounds — with spray cans.
How do you insulate a basement in Ontario?
Spray foam is the most effective choice to insulate basement slabs for radon gas protection. When professionally installed, spray foam insulation provides an airtight and watertight barrier, helping to protect you from any radon gas that may be rising off the soil under your home.
What is Ontario Building Code for insulation?
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. Insulating the ceiling means that you avoid heat losses by keeping the warmth inside and reducing sounds.
Can I use r13 insulation in basement walls?
TBF closed cell foam insulation and concrete board basement wall products offer industry-leading R-13 insulation value that will reflect back 99.987% of heat back and lead to the optimal insulating of a basement area.
What kind of insulation is best for basement walls?
Spray foam is probably the best possible insulation material for basements and damp areas. Closed cell spray foam is perfect for locking “out” the water vapor that inherintely wants to migrate from your damp basement walls to your finished basement rooms.
How thick should basement insulation be?
The thickness of foam insulation in basement walls will range between two to seven inches, depending on where you live and whether you use open or closed-cell spray foam insulation.
Should I insulate my basement walls in Ontario?
Basement walls in Ontario should be insulated to improve the home’s overall energy performance and to help prevent mould. Basement insulation can also help add soundproofing in entertainment rooms, such as home theatres or music studios. Overall, the benefits of basement insulation can be seen throughout a home.
What is the insulation building code in Ontario?
The insulation building code is part of a legal framework adapted from Ontario’s Building Code. Serving as a regulator of the construction and energy efficiency standards it was formed to avoid unstable construction practices and unsafe materials.
What are the requirements for foam insulation in Canada?
Foam plastic insulation on the interior of the building envelope must adhere to the requirements of protection of foamed plastics as per 9.10.17.10 of the National Building Code of Canada. Suggested best practice to validate thermal resistance value with local building department before commencement of construction.
Should I insulate my basement walls with blown-in cellulose?
When basement walls are insulated with blown-in cellulose insulation, energy performance and home comfort see significant improvements. Rockwool mineral wool insulation is a common choice to insulate basement walls in Ontario.