What is the best type of insulation for your home?

The best insulation depends on where it is being installed and your budget. Spray foam offers the highest performance for air sealing and moisture control, making it ideal for basements and rim joists, while batt insulation (fibreglass or mineral wool) is a cost-effective choice for attics and walls. For most GTA homeowners, a combination of insulation types tailored to each area of the home will deliver the best overall energy efficiency.

Why are people removing spray foam insulation?

Many homeowners are removing spray foam insulation due to the discovery of 'rogue' or off-ratio spray foam, which occurs when the two-part chemical mixture is improperly applied, resulting in a product that never fully cures and emits foul odours and potentially harmful gases. This issue became widespread in Canada and led to significant remediation efforts, particularly in homes insulated between 2006 and 2020. Additionally, spray foam can complicate roof sheathing inspections and make future renovations more difficult, prompting some homeowners to opt for removal.

How much would it cost to insulate a 2000 sq ft house?

In the GTA, insulating a 2,000 sq ft home typically costs between $8,000 and $25,000 CAD, depending on the insulation type, areas being insulated, and accessibility. A basic attic insulation upgrade using blown-in fibreglass or cellulose may cost $3,000 to $6,000, while a full-home spray foam application can exceed $20,000. It is worth noting that government rebate programmes, such as the Canada Greener Homes Grant, may offset a portion of these costs.

Which insulation has the best R-value per inch?

Closed-cell spray polyurethane foam (SPF) offers the highest R-value per inch, at approximately R-6 to R-7 per inch, making it the most thermally efficient insulation available. Rigid foam boards, such as polyisocyanurate (polyiso), come in second at around R-5.5 to R-6.5 per inch. These options are particularly valuable in the GTA when space is limited but high thermal resistance is required, such as in basement walls or cathedral ceilings.

What is the best house insulation for the money?

Blown-in cellulose and fibreglass batt insulation offer the best value for most GTA homeowners, providing solid thermal performance at a relatively low cost per square foot. Mineral wool (rock wool) batts are a slightly pricier but excellent mid-range option, offering superior fire resistance and soundproofing in addition to good R-values. For homeowners prioritising long-term energy savings and air sealing, investing in closed-cell spray foam in critical areas like the basement and rim joists can deliver strong returns over time.

What are the Different Insulation Options for Homeowners?

There are many factors to consider when selecting the best insulation for your home. The type of insulation you choose will depend on the climate you live in, the type of home you have, your budget, and your personal preferences.

In this comprehensive guide, we will compare the most popular insulation options available to homeowners. We will discuss the pros and cons of each type of insulation. Read on!

Things to Look for in an Insulation Material

There are many things to consider when selecting an insulation material for your home. The most important factor to consider is the R-value of the insulation. The R-value is a measure of an insulation’s ability to resist heat flow. The higher the R-value, the better the insulation is at resisting heat flow.

Another important factor to consider is the climate you live in. Insulation that works well in a cold climate might not work as well in a hot climate. It is important to select an insulation material that is appropriate for the climate you live in.

Another factor to consider is the type of home you have. Some insulation materials work better in certain types of homes than others. For example, spray foam insulation works well in homes with difficult-to-reach spaces, such as attics and crawl spaces.

Finally, you should consider your budget when selecting an insulation material. Some insulation materials are more expensive than others. However, the initial cost of the insulation is not always the most important factor. It is important to consider the long-term costs of the insulation, such as the costs of installation and maintenance.

A Comparison of Insulation Materials

There are four main types of home insulation products on the market today used for attics and wall cavities: fibreglass, mineral wool, cellulose, and spray foam.

1. Fibreglass

Fibreglass insulation is made from a combination of sand and recycled glass that is melted and spun into very fine fibres. These fibres are then bound together with a resin to create batts or rolls of insulation. Fibreglass is the most common type of insulation used in homes, and it is available in various R-values.

2. Mineral Wool

Mineral wool insulation is made from a combination of natural minerals, including basalt and slag, that are melted and spun into fine fibres. These fibres are then bound together with a resin to create batts or rolls of insulation. Mineral wool is often used in commercial and industrial applications because it is fire-resistant and has a high R-value.

3. Cellulose

Cellulose insulation is made from recycled paper products that are shredded and treated with fire-retardant chemicals. Cellulose is available in both loose-fill and batts/rolls, and it has a high R-value.

4. Spray Foam

Spray foam insulation is made from a combination of chemicals that are sprayed onto the surface of the home. Spray foam expands and hardens to create an airtight seal that prevents heat loss. Spray foam is available in a variety of R-values, and it can be used to insulate both attics and wall cavities.

Conclusion

There are many factors to consider when choosing the right insulation for your home. The type of insulation you choose will depend on your climate, budget, and the specific needs of your home. Insulation is an important part of any home, and it is important to choose the right option for your needs.

If you have a Toronto remodelling project, contact our team at Konstruction Group, Inc. We are a trusted contractor that offers house framing, drywall installation, insulation, foundation, and excavation to residential properties in Toronto and the surrounding areas. Message us today for a free quote.

Sources & Methodology

Factual claims in this post were verified by Konstruction Group against authoritative sources including Natural Resources Canada's Keeping the Heat In guide for R-value definitions and insulation material characteristics, and Building Science Corporation publications for building envelope performance data. Insulation composition details were cross-referenced with industry-standard material specifications to ensure accuracy for Ontario residential applications.