It is an easy pitch for an insulation sales person to make but not all homes should have a simple r 50 or r 60 attic increase using fluffy blown in fiberglass or cellulose which are the most.
Minimum r value for attics ontario.
With my place i reinsulated the whole house this summer.
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.
Recommended home insulation r values.
Insulation level are specified by r value.
The higher the r value the better the thermal performance of the insulation.
R value roofs without attic space insulation above deck u 0 032 r 30 0 ci u 0 028 r 35 0 ci.
Depending on where you live and the part of your home you re insulating walls crawlspace attic etc you ll need a different r value.
R value measures how well certain building insulation materials can resist heat.
Where you live different climates require different insulation r values.
All insulation materials in ontario must meet requirements set out by the national government.
The recommended r value has been raised from r 50 to r 60 in order to increase the insulation of the attics.
The higher the r value the greater the insulation performance.
There are many ways to retrofit a home with fiberglass and.
When determining how much insulation you need don t guesstimate calculate.
When insulation levels increase for attics in new homes most homeowners want to upgrade their attic to new code requirements with their existing setup.
Reducing electricity consumption in support of ontario s long term energy plan.
Know exactly how much you need with our project calculators.
You will need a higher r value of insulation if you live in the northeast than if you live in southern california.
R value is a measure of insulation s ability to resist heat traveling through it.
To be available on the market manufacturers take care of this step before their products are even available which is why it s important to ensure you re buying new insulation and not dead stock found in someone s garage.
Another area where the ontario building code has seen changes is in attic insulation requirements.
Your home s age if your home is more than 10 year old you likely need more insulation.
Minimum rsi value of assembly 2 zone 1 less than 5000 degree days zone 2.