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How Much Will Insulating My Attic Cost

Published on February 05, 2021

How Much Will Insulating My Attic Cost

If you’re living anywhere within Toronto, you’ve likely realized how expensive it can be to keep your home warm during the winter. As utility prices steadily increase every year, so does the cost to keep your home and yourself warm throughout winter. Many options are available to a Toronto homeowner to improve their home’s energy efficiency, but most are expensive and tedious. However, one of the simplest ways to keep your home warm is by ensuring you have adequate attic insulation installed in your toronto home or provided by a reputable insulation company in Toronto. 

Besides being one of the simplest and cost-effective ways to keep your home warm throughout the winter, attic insulation is also one of the most eco-friendly improvements you can make for your home. Insulation materials are often made up of recycled material, which is also naturally decomposable, ensuring your carbon footprint is minimal. Furthermore, depending on the R-value, attic insulation can lead to substantial energy cost savings over time for your home. It can lead to reducing your energy bill from between 15 to 25 percent! The R-value of insulation means its effectiveness to retain and keep heat indoors and its overall ability to insulate your home. 

The cost to install insulation in your attic can vary depending on the type of insulation, square footage, and several other factors. Below, you can find an analysis of the different types of attic insulation you can install and the relative cost to install each type.  

Blow-In Insulation

One of the simplest types of insulation to install in an attic or within the walls of your attic is blow-in insulation, as it can easily be installed into tight corners and small areas. This type of insulation cost is relatively cheap at about $1.59 per square foot or $1,590 per 1000 sq. ft. The labour charge can vary depending on the R-value of the insulation you are installing, but it can likely take between $400 - $1,200 for a complete installation. This price can vary depending on your house’s attic’s complexity if air sealing is required and ventilation. Older homes tend to be a little on the pricier side of installation as their roofs tend to have more air leakage, and exposure to the elements reduces the R-value of the cladding and windows over a period of time. As for all types of insulation, the amount of square footage also dictates the cost of installing insulation, as higher square footage will lead to higher material and labour costs. 

Spray Insulation

Spray foam insulation is one of the most expensive types of insulation to install for your attic, but its high prices also yield better energy savings over time. In addition to providing a strong insulation cover, spray foam insulation is also an excellent deterrent to the build-up of moisture in your home and can strengthen the structural integrity of a home’s ceiling, roof or walls. This is because the spray foam acts as superglue in that it can easily be installed into tight crevices or cracks and prevent further cracking. The cost to install spray foam insulation is about $2.50 per square foot or $2,500 per 1000 sq. ft. Spray insulation is of the more expensive types of insulation to install and can cost between $500 - $1,500 for full attic insulation. Similar to other insulation, the cost to install can increase when an older home when pre-existing insulation is present on-site. It also includes extra labour to remove that type of insulation. Newer homes are much easier to install insulation in as access is much more convenient, and as such, prices are also significantly less. 

Fiberglass Insulation

Fiberglass insulation is one of the cheapest ways to insulate your attics. Fiberglass batts come in large packages that can easily be placed and installed in attic spaces and inside your home walls. In addition to providing insulation and retaining heat, they are also excellent at preventing air from penetrating the house. These batts can vary in size and thickness, and as such, the R-value and price can vary as well. Typically, the cost to install fiberglass insulation is $1.19 per square foot, or $1,190 per 1000 sq. ft. Fiberglass insulation is one of the cheapest types of installation to install and can cost between $300 - $1,000 for a complete installation. As the labour to install these in open attic spaces is much simpler, prices may vary depending on the R-value you are looking for or depending on the type of attic you are looking to install. Depending on the current amount of insulation you have in your attic, more insulation may be required to properly insulate your attic, which may increase the total cost for installation.

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