Both can be added to uninsulated attics or layered over existing material.
Attic insulation depth in ontario.
Loose fill or batt the common term for blanket insulation.
The higher the r value the better the thermal performance of the insulation.
For example if you have a type of insulation that has an r value of r 5 per inch of thickness you will need a depth of 6 inches of this insulation installed in your attic to reach r 30 if you live in zones 2 or 3.
These r values are a sum meaning this should be the total r value once you add up the entire depth of insulation.
Hire an expert to install attic insulation in ontario.
The recommended level for most attics.
With the home reno rebate from union gas in partnership with the government of ontario and save on energy you could be eligible for renovation rebates plus additional electric appliance rebates.
R value is a measure of insulation s ability to resist heat traveling through it.
For diy attic insulation you ve got two choices.
How much should i add.
Once you ve decided which type is best for you examine the material options and prices to home in on the right product.
Although the recommended r value for attic insulation is ontario is straightforward at between r 50 to r 60 there are too many factors at play to make this a diy project that you can do properly without the relevant training certification and experience.
The table below shows what levels of insulation are cost effective for different climates and locations in the home.
If your attic insulation covers your joists and is distributed evenly you probably have enough.
Maintain an even depth throughout the attic by levelling the insulation with a board or garden rake see figure 5 14.
The higher the r value the better the thermal performance of the insulation.
Rebates for insulation services in southern ontario.
Insulation levels are specified by r value.
A piece of wood nailed perpendicular to the joist or mark highly visible lines on truss members so you can easily see and gauge the depth of the insulation.
Insulation level are specified by r value.
Before adding insulation nail enough depth indicators e g.
If you think you re among the 90 of us homes that are under insulated 1 performing a simple insulation inspection will help you determine your insulation needs.