Since attic insulations found their place in people’s lives, the industry has been improving day by day, providing better services to satisfy customers. Developed technology and the knowledge of innovators cause considerable changes in attic insulation, and people are becoming more attracted to updating their homes with newer and better-provided services. One of the most significant changes and improvements in the attic insulation world is spray foam insulation. As the professionals performing the best spray foam insulation in Toronto point out, this is considered a practical option for insulating your attic as it gives the customers many great opportunities and advantages. Spray foam insulation offers more coverage and protection that make its performance much better than other old kinds of attic insulation, which is why it is widely used in many houses. However, with all these benefits and flexibilities that spray foam insulation provides for customers, there are some critical limits to consider and prevent further problems, including waste of money and time. Although consulting with a professional insulator can give you all the necessary information, we explain the conditions that aren’t suitable to have spray foam insulation if you are interested in gaining knowledge yourself.

Places that are too compact to ceiling light boxes: it’s forbidden to use spray diameter insulation for the areas around the recessed ceiling canister lights. The reason is the increased risk of danger and fire as using spray foam can trap the heat and lead to this dangerous situation. Even if your recessed canister lights are safe to be near the spray foam insulation, it’s necessary to consult with a professional and make the last decision.

Areas that are closed-cavity: although you see the same level of expansion for spray foam insulation compared to injection foam, the expansion rate is entirely different. The best choice for closed-cavity spaces is injection foam rather than spray foam because of its specific features that spray foam insulation doesn’t offer them. A professional insulator knows how to use injection foam to expand slowly and reduce the pressure, unlike spray foam, which expands quickly and increases the risk of danger.

Areas that are so close to the electrical boxes: just like ceiling light boxes, insulating spray foam too close to electrical boxes can cause danger and isn’t recommended. Professional insulators suggest using low-expanding insulations not to allow flammable chemicals to be introduced to the parts. You can ask an experienced article insulator to thoroughly explain his experiences of these situations to know the threats you cause by using spray foam insulation near the electrical boxes.


Best choice for your roof: spray foam insulation provides services in two different insulation shapes, including open-cell and closed-cell. Many people are interested in insulating their roofs with open-cell spray foam insulation, which is not recommended because it boosts the speed of your roof rotting. So it’s better to pick the closed-cell type of spray foam insulation to prevent any further problems.

Spray foam insulation is regarded as one of the most recent and the best types of attic insulation, but remember using it in the wrong places not only won’t let you take advantage of it but also leads to financial and time losses.