Spray foam is one of the most used insulation for homes and commercial spaces, and for a big reason, because it is low cost in comparison to other insulation and very flexible. If you want to know how much spray foam insulation costs in 2023, then you are at the right place.
If you haven’t insulated your home or business you can benefit a lot from spray foam insulation in terms of cooling and heating, noise reduction, and many more that we will know more about in this article.
- Where It’s Best To Apply Spray Foam Insulation
- How Much Spray Foam Insulation Do You Need?
- Spray Foam Costs vs. Fiberglass, Batt & Cellulose
- Closed Cell Vs Open Cell Spray Foam Insulation Cost
- DIY Spray foam insulation cost
- Measuring the thermal resistance (R-Value)
- Spray foam insulation cost difference for existing and new homes
- FAQs about Spray Foam Insulation Cost in Toronto
- Request a Free Quote for Spray Foam Insulation
Where It’s Best To Apply Spray Foam Insulation
Properly installed, spray foam insulation helps ensure the airtightness of your home, and even serves as a vapour barrier in the case of closed-cell foams with less cost than the majority of other insulation methods. Here are some spaces that you will need to isolate:
- Attics, crawl spaces, or basements: Spray foam is the ideal solution for small spaces that do not allow the installation of panels or large rolls of insulation.
- Floors. Spray foam insulation makes it possible to effectively coat the ducts and pipes, for example when installing underfloor heating and above all to reduce your energy costs.
- Walls. Requiring no joints or fittings, spray foam can be deposited on the surface in a uniform layer of about 10 cm and will provide thermal insulation and airflow of your walls.
- Roofs. Spray foam eliminates thermal bridges and also has the advantage of being perfectly waterproof. It does not settle or peel off over time and envelops all areas of the roof, even the most difficult to access.
Where in your home you want to insulate and what function you seek will determine whether you choose open or closed-cell foam. For example, an open-cell foam will be more suitable for walls to allow the evacuation of water vapour. A professional insulation contractor will be able to direct you to the type of foam recommended according to your needs.
How Much Spray Foam Insulation Do You Need?
The amount of spray foam insulation that an area requires varies from home to home. Homes that are located in extreme weather fluctuations require thicker insulation with a higher R-Value.
Spray Foam Costs vs. Fiberglass, Batt & Cellulose
Spray Foam Insulation Cost:
- $2,360 on average
- R-Value of 6-7 per inch closed cell and 3.5-3.6 per inch open cell
- Highest R-Value insulator
- In addition to insulation provides air sealing
Blown in Insulation Cost:
- $1,440 on average
- R-Value of 3.1-3.4 per inch fiberglass and 3.2-3.7 per inch cellulose
- Some materials offer recycled content
Fiberglass Batts Cost:
- $300 to $600 on average
- R-Value of 2.9-3.8 per inch
- Quick and easy to install
- Up to 30% can improve energy efficiency
Rock Wool Cost:
- On average to install it can cost $1,000
- R-Value of 3.0-3.3 per inch
- Has fire resistance and sound deadening
- Quick and easy to install
Closed Cell Vs Open Cell Spray Foam Insulation Cost
Cost of Closed Cell Spray Foam Insulation
Adversely, the closed cell spray foam’s density is 2lb per cubic foot. Its R-Value is R6.5 per inch. It is used on walls, ceilings, roofs, and under tabs. This type of insulation costs more than the open cell, but the high price is justified by its quality. Spray foam insulation cost varies between $1.55 to $8 per square foot, depending on which part of your home needs to be insulated. When applied as should, this spray foam gives better results than any other method of insulation that is available in the market today. Having a look at the air exchange, this method gives an excellent insulation barrier. It is also really effective for repelling moisture from the inner walls of your house. Closed cell spray foam increases the ceiling’s strength, roof, or wall structure with glue like tenacity.
Spray Foam Insulation Cost Per Square Foot
The cost of spray foam insulation is also calculated per board, such that, open cell spray foam costs vary from $0.44 to $3.00 per square foot, and the closed cell spray foam cost varies from $1.25 to $1.65. The average spray foam insulation cost per professional installation is $2,021 for the majority of insulation companies in Toronto. This amount depends on whether the structure that is being insulated is newly constructed or renovated. To conclude, finished homes are not very suitable for insulation. However, they make excellent candidates for weatherization or an energy audit.
Cost of Materials by Size In Square Feet
| Size in Square Feet | Price |
| 100 | $44 – $150 |
| 200 | $88 – $300 |
| 300 | $132 – $450 |
| 400 | $176 – $600 |
| 500 | $220 – $750 |
| 1,000 | $440 – $1,500 |
| 1,500 | $660-$2,250 |
| 2,000 | $880 – $3,000 |
| 2,500 3,000 | $1,100 – $3,750 $1,320 – $4,500 |
Cost of Open Cell Spray Foam Insulation
Open Cell spray foam’s density is half an lb per cubic foot and an R-value of R3.5 to R3.6 per inch. The R-value, also known as the thermal resistance, is determined by the foam density of the spray such that the higher the foam’s density, the higher the R-value. R-value’s role in the insulation process is to show the resistance of the material to the heat flow. It is really important for this value to be high because this results in a greater resistance too. Open Cell foam spray has a lower density compared to that of its counterpart, the closed cell spray foam and it is not resistant to vapor. When used in attics and cool temperatures, it is advisable for the spray to be applied together with vapor retarder paint. The cost of the R6 foam varies between $2 to $7 per square foot.
DIY Spray foam insulation cost
You can choose to install foam insulation by yourself using kits from brands of your choice. The average price of covering about 200 square foot with a foam insulation kit varies between $300 to $600, which is about two or three kits used. When you buy these kits, you will find a foam made up of two types of liquids referred to as Icynene, which are firstly heated and then pushed through a gun on the can. The installation cost might seem minimal when you decide to do it by yourself but if you are not experienced in installing spray foam, you may find it difficult to evenly spread the foam over a surface.
Failing to cover some spots or leaving some holes may lead to cold air getting into the structure. You can safely proceed with the insulation project if you intend to deal with small projects only such as foam insulation in a narrow space. Other large projects such as the attic, basement, or garage should be left to a certified insulation company that can provide the proper equipment and has a respectful background. They will properly price the entire insulation project, whereas you on the other hand could incorrectly calculate the cost of the insulation project and end up losing more money in the process.
Measuring the thermal resistance (R-Value)
During the process of spray foam insulation or any other type of insulation, the R Value should necessarily be the basic part of your decision. However, it is also important to note that the loss or gain of heat can occur in many different ways, and as a result, measuring insulation through the R-Value alone is not always the right way.
Polyurethane foam spray does not necessarily guarantee prevention of all methods of heat transfer from taking place. Alternatively, you may want to consider radiation, heat conduction, air infiltration, convection, and intrusion alongside the amount of moisture accumulation. All six of these mechanisms are the key factors of the effectiveness of the insulation.
Spray foam insulation cost difference for existing and new homes
There is a huge price difference when it comes to insulating a new home and insulating a relatively older home in Toronto. Insulating a recently constructed house is usually much easier because the insulating company can work effectively and make sure that the insulation is designed for optimum protection against heat transfer and sound, whereas installing spray foam insulation on an older home, specifically those that contain existing insulation may cost more and require more time to install, which also increases the cost. Energy audits and weatherization are the most recommended alternatives for these kinds of homes.
Contact Eco Spray Insulation today for a free no obligation cost estimate on your next spray foam insulation project. Or simply get a quote over the phone at (416) 860-6664.
FAQs about Spray Foam Insulation Cost in Toronto
Q: How much does it cost to insulate a 1,500 square foot house with spray foam in Toronto?
To cover 1,500 square feet with one inch of closed-cell spray foam insulation cost approximately $1,500 to $2,250. To this total are added the labor costs and thickness. The above value may also change depending on the number of walls in a house.
Q: How much to spray a 30×50 metal building with closed cell foam?
To cover the walls of a 30×50 metal building with one inch of closed-cell foam may cost approximately $1,600 to $2,400. And if you hire a professional for this work you should expect to pay more in labor costs.
Q: How expensive is spray foam insulation?
Expanding foam insulation runs from $0.44 to $1.50 per board foot, open-cell is less expensive, and closed-cell spray foam insulation costs more. In comparison to fiberglass, spray foam insulation is more expensive.
Q: Is spray foam insulation worth the cost?
For too many homeowners, spray foam insulation is worth the cost because it protects against moisture, air seal is energy efficient, and also can add structural integrity to your house.
Q: What is the R-Value of 2 inches of spray foam?
Depending on the type of insulation material the R-Value of 2 inches of spray foam runs from 7 to 13. Closed-cell has a higher R-Value than open-cell foam.
Q: Where do we apply spray foam insulation?
Spray foam insulation is applicable on roofs, walls, and on surfaces with contours and in corners with the aim of creating a tight air ceiling barrier. The two most used types of spray foams are made of polyurethane and are referred to as open cell and closed cell spray foam.
Q: Can I save money by choosing to insulate my property with spray foam?
When it comes to prices and costs, every investment in your house or property will certainly cost you a specific amount of money. Regardless, not each of these investments presents you with a chance to save money. Saving yourself money that is spent on bills is actually possible with the use of spray foam insulation. These are some of the costs that should really be considered as future investments, especially for Toronto residents. Spray foam insulation costs depend on what type of spray foam is used and the amount that is applied. You can choose between insulating your whole house or just a part of it.
Spray foam insulation is considered the best alternative to fiberglass insulation during construction or construction plans. The type of foam used in this insulation method is flexible and expandable and is easy to spray on existing wall cavities during construction or on roofs.
Q: Does spray foam shrink over time?
Similar to foam board insulation, spray foam will shrink and expand over time responding to different temperatures. However, this is a normal thing to happen and it does not mean that your insulation will break down.
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