Spray foam insulation is an excellent investment for homeowners. It has become increasingly popular in recent years due to its energy-saving benefits. In this blog post, we’ll discuss how spray foam insulation cost is nothing compared to the money you will save on energy bills, and why it’s worth the initial investment.
What is spray foam insulation and how it works
Spray foam insulation is a type of insulation that is applied using a spray gun. The foam expands as it is sprayed, filling in gaps and creating an airtight seal. This seal helps to prevent air leaks and drafts, which are the primary cause of energy loss in homes.
There are two types of spray foam insulation: open-cell and closed-cell.
Open-cell spray foam insulation is less expensive but has a lower R-value. R-value is the measure of an insulation’s ability to resist heat flow. We use it in living or working spaces and is both breathable and airtight. When applied, it expands over 200 times its original size and allows water vapour to pass through its open cells, which helps to prevent damp and mould build-up. We use it for places such as attic, wall, floor, roof, and external insulation, and it creates a long-lasting, consistent level of insulation. It fills every crevice and corner, creating an airtight barrier that helps to maintain an even temperature.
Closed-cell spray foam insulation is more expensive but has a higher R-value and provides a better barrier against moisture and air leakage. We apply it to metal and concrete surfaces, and its closed-cell structure does not permit the transfer of water vapour while maintaining an airtight seal. It is commonly used on commercial and farm sheds, industrial pipes, and equipment, and shipping containers, easily penetrating every corner and providing excellent insulation.
How much does spray foam insulation cost?
Spray foam insulation cost varies depending on the type of insulation, the size of the area being insulated, and the location of the home. On average, homeowners can expect to pay anywhere between 13 EUR and 33 EUR per square metre, depending on the type of area.
While the initial spray foam insulation cost may seem high, it’s important to consider the long-term savings on energy bills. Over time, spray foam insulation pays for itself in energy savings and increased home value. When it comes to insulating your home, spray foam insulation is one of the most popular options. While the initial spray foam insulation cost may be higher than other types of insulation, such as fibreglass or cellulose, it is a better investment.
One of the main advantages of spray foam insulation is its ability to create an air-tight seal. This means that it can help prevent air leaks, which can be a major source of energy loss. By reducing energy loss, spray foam insulation can help to lower your heating and cooling bills.
Another benefit of spray foam insulation is its durability. Unlike other types of insulation, spray foam insulation does not settle or compress over time, which means that it will continue to provide the same level of insulation performance for many years to come. In fact, some manufacturers offer warranties that last for up to 25 years or more.
How spray foam insulation cost actually saves you money
Spray foam insulation is an excellent investment for homeowners looking to save money on energy bills. Here are just a few ways spray foam insulation can help reduce energy costs:
- Reduces air leakage: Spray foam insulation creates an airtight seal, preventing air leaks and drafts. This means your HVAC system doesn’t have to work as hard to maintain a comfortable temperature, resulting in lower energy bills.
- Improves energy efficiency: Spray foam insulation has a higher R-value than traditional insulation, meaning it provides better thermal insulation. This means your home stays warmer in the winter and cooler in the summer, without having to rely on your HVAC system.
- Lowers HVAC usage: Because spray foam insulation helps to maintain a consistent temperature, your HVAC system doesn’t have to work as hard or as often. This can lead to lower energy bills and less wear and tear on your HVAC system.
Additional Benefits of Spray Foam Insulation
Aside from energy savings, there are many other benefits to using spray foam insulation in your home. Here are just a few:
- Reduces noise: Spray foam insulation helps to absorb sound, making your home quieter and more comfortable.
- Improves indoor air quality: Spray foam insulation can help to prevent mould growth and reduce allergens in the home.
- Increases home value: Installing spray foam insulation can increase the value of your home and make it more attractive to potential buyers.
How can I reduce the cost?
The SEAI (Sustainable Energy Authority of Ireland) offers insulation grants to help homeowners in Ireland make their homes more energy-efficient. These grants aim to cover a significant portion of the insulation cost and can apply to a range of insulation types, including attic insulation, cavity wall insulation, and external wall insulation. The cost of insulating an attic ranges from €800 for an apartment to €1,500 for a detached house. Keep in mind that these are just rough estimates, and the actual cost could vary depending on a variety of factors. The SEAI website provides detailed information on the available grants and how to apply for them.
Is it worth it?
The conventional insulation materials utilised by builders and attic insulation services usually have a lifespan of around 20 years before they require replacement. However, this lifespan can be considerably shorter if we expose it to harmful contaminants such as mould, asbestos, pests, or leaks. In contrast, spray foam insulation provides exceptional protection against these external contaminants and is highly resilient. While the spray foam insulation cost may be higher compared to traditional insulation, the longevity and energy savings it provides will ultimately pay off in the long run. Its lifespan is up to 80 years longer than most building insulations. This means that you will install it only once in a lifetime, eliminating the costs associated with upgrades and replacements.
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