Minimum Attic Insulation Alberta

Having the correct amount of attic insulation can help you maintain a comfortable temperature throughout your home and help save money on your energy bills plus prevent major issues like ice dams in the winter.

Minimum attic insulation alberta.

Loose fill or batt the common term for blanket insulation. The 2015 irc requires r 49 insulation for ceilings with attic spaces. The table below shows what levels of insulation are cost effective for different climates and locations in the home. In zone 7 the average minimum requirement for attic insulation is 14 inches of r49 fill.

Watch attic insulation energy efficiency alberta video on youtube. The higher the r value the better the thermal performance of the insulation. R 38 shall be deemed to satisfy the requirement for r 49 wherever the full height of uncompressed r 38 insulation extends over the wall top plate at the eaves. Insulation level are specified by r value.

The following table provides minimum estimates of how much money you can expect to get back in rebates your. The recommended r value for attic insulation in ontario is between. This measurement is described as r value. However there is an exception.

Pa302 1 ceilings with attic spaces n1102 2 1 r402 2 1. 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. Achieving greater r values in attics the higher the r value the better the thermal performance of the insulation. The effectiveness of insulation is measured in relation to its thermal resistance which is a way of saying how much conductive heat flow the product stops from going through it.

For diy attic insulation you ve got two choices. Generally speaking a higher r value means better insulating properties. If your attic is not too cramped consider adding strapping onto the rafter bottoms and wall studs to allow for more insulation up to the recommended minimum level for attic insulation if possible. Both can be added to uninsulated attics or layered over existing material.

The average recommended level is 17 inches of r60. R value is a measure of insulation s ability to resist heat traveling through it. 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. After installing insulation in the existing cavities nail or screw strapping 2 x 2 or 2 x 3 on edge perpendicular to the rafters and studs.

Once you ve decided which type is best for you examine the material options and prices to home in on the right product. You will probably want to check the local codes before you build as the details of the national energy code or some modification of this may be the law in your municipality with specific insulation requirements for each part of your house.