Spray Foam Calgary – Important Points to Remember When Insulating the Attic
Whether you like it or not, when winter comes, you will find yourself spending more on heating bills than in other seasons. However, the amount you end up spending can be reduced thanks to proper insulation. Spray foam Calgary is definitely one of the best solutions you can turn to. Even so, if the entire building envelope is not covered, you might find that you are still paying more in heating bills. It is important to understand that about 85% of heat is lost through the attic. Making sure your attic is properly insulated is, hence, the first step to lowering the energy bills.
Determine the right R-value
Insulation is measured by R-value. The higher the R-value the more effective the insulation will be. In present day standards, the Department of Energy recommends high R-values of up to 38 or even more. An experienced spray foam contractor in Calgary will let you know the R-value you should target. The numbers are usually based on the climate zone and location of your house.
The amount of material you end up using will then depend on its R-value. In the case of closed-cell Calgary spray foam, you will not need a lot of materials because of its high R-value which is over 6.0 per inch. The case will be different when using fiberglass and open-cell spray foam because they have lower R-values.
Know how much you need to buy
Now that you know the R-value that will work best for your attic, it is time to determine the amount of spray foam Calgary that you will need to buy. The best thing is that every bag of insulating materials will list the required depths in order to achieve the right R-value. In the case of rolls and batts, you calculate the amount of materials needed based on their length and width. Again, the right Calgary spray foam contractors will help you know how much material will be needed when using spray foam.
Focus on sealing the air leaks
Most of the heat is lost through air infiltration. When working on the attic, your focus should be sealing the air leaks. Start with the areas around the attic windows then move on to wires, ducts, and exhaust fans and around other pipes. You also need to pay attention to the flues and chimneys. If you are working with an installer, make sure he focuses on these crucial areas.
Protect yourself and your family
Before it cures, spray foam can be hazardous. It is imperative that you take the time to wear the right protective gear during installation. For the sake of your household, make sure nobody is home, including pets, during installation. The chemicals are inert once they are cured.
Preserve airflow to the attic
Last but not least, the fact that you need to prevent air infiltration does not mean you cut off airflow to the attic. Airflow through the attic is what keeps the roof cool and helps prevent ice dams. If you are not sure of what you are doing, hire professional spray foam contractors in Calgary to help.