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4 Surprising Spray Foam Uses You May Not Have Considered

4 Surprising Spray Foam Uses You May Not Have Considered

In the past several years, spray foam has grown in popularity. This thoroughly modern insulation material has managed to spread all over households, pawing its way to almost every inch of the home.

Needless to say, one of the main reasons people plump for spray foam is its versatility in application. As we will see from the many spray foam uses, the material can fit almost every kind of requirement.

Be it floor insulation, solid walls, cavity walls, attic, roof, or anything in between, spray foam can help you. And it is much better than traditional insulation. Here’s why…

Spray Foam vs. Traditional Insulation

In order to understand why spray foam uses are more and more widely spread, let’s take a look at the comparison between spray foam and traditional insulation types, such as fibreglass and cellulose:


Let’s start with the thermal qualities; something every homeowner wants to know. Spray foam has the highest R-value on the market, and even more importantly, it is its true R-value. For example, fibreglass batts have R-value close to 3.5 per inch.

However, since fibreglass batts provide no airtight seal, and there are holes left behind, air can leave your home. The same applies for blown-in cellulose, which has an R-value between 3 and 4 per inch. Again, there are holes behind, leaving options for warm air to leave your home.

Open cell spray foam, on the other hand, has an R-value 3.5 per inch, and it is true R-value. Because of its expansive nature, spray foam covers every inch, seals every crack, hole, and cavity of your home. There are no air leaks left behind.


Another area where spray foam uses excel due to the expansive nature is coverage. As we mentioned previously, spray foam will expand 100 times its original size when it adheres to the area of application.

That allows spray foam to insulate even the most challenging and awkward of areas. Fibreglass cannot do that, as the batts come in certain sizes and shapes.

Moisture and mould

Spray foam does not allow moisture to pass through the walls. Fibreglass, on the other hand, can easily absorb moisture and water, which spells trouble for your home.

Mould is the eventual result of your moisture problem, leading to potential problems with health, as hazardous spores are released.


Spray foam will act as a windbreaker in your home. That means it will prevent cold air from entering the property during the winter months.

With traditional insulation, you allow a great amount of air to pass through. That makes fibreglass and cellulose less effective.


One of the biggest problems with traditional insulation like fibreglass and cellulose is that over time, they lose their efficiency. Fibreglass will settle, and you need to upgrade/refresh your insulation. Both fibreglass and cellulose have their own life cycle and duration.

Spray foam, on the other hand, stays the same, and is as effective from the moment you install, until the moment you tear down your house. In other words, the efficiency stays the same, and will ensure a lifetime duration.

Pest control

Last, but not least, spray foam will not allow rodents, pests, and termites to nest. That is why spray foam uses can apply to any area. Simply put, the material is not a good breeding ground for rodents. The same cannot be said for fibreglass.

Due to its moisture problem, fibreglass is a good breeding ground for rodents, and will allow pests to make their nests within your home.

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4 Surprising Spray Foam Uses You May Not Have Considered

Spray Foam: Where Can It Be Installed?

Now that we know spray foam is a much better choice than traditional insulation, let’s take a look at the many spray foam uses in practice.

As mentioned previously, the versatility of the material allows you to install it any area of your home, enabling you to utilise it as:

Floor insulation

People in the UK are no strangers to cold concrete floors in the winter. The concrete floors can also be full of moisture and present a long-term maintenance problem. Adding insulation will solve that problem, and spray foam is your best choice.

Again, it comes down to the expansive nature of spray foam, which will seal all gaps and cracks under the floor. When your second floor is above a cold and unheated area, spray foam will prevent warm air from escaping the room.

The beauty of spray foam is you can use it for floor joists; an area that is challenging to insulate with other products. And an underrated aspect is you reduce sound and noise transfer between floors.


Spray foam keeps the roof tiles and slates in place. That alone strengthens the roof as a whole. Spray foam will increase insulation in a roof set-up, and will protect pipes from freezing. Adding insulation to the roof will create an useful, dry, and clean attic space you can use.

And since most of the heat escapes through the roof, adding insulation will reduce the cost of your energy bills, while providing an airtight seal of the home. Bonus points: spray foam will take care of your mould problem-a common issue with roof and attic space.

Attic insulation

We mentioned you can make the attic a more comfortable living space by adding insulation to it. Spray foam will improve the thermal efficiency of the attic, and present a healthy solution for insulation. There are no potential hazard; something that is always a problem with glass wool for example.

Spray foam will also improve the quality of the air inside the home. Spray foam prevents airborne pollutants from entering your home. The same applies to rodents and allergens; an issue with fibreglass insulation, for example.

Cavity walls

Cavity walls were built without insulation. The idea was that the hollow space will prevent moisture from entering the home. But the hollow space between the inner and outer wall also presents a challenge in terms of keeping heat in.

Traditional insulation, as we saw earlier, cannot keep moisture out. Enter spray foam: a material that will provide an optimum thermal and moisture barrier for your cavity walls.

Spray foam will keep the heat inside, and will help you save approximately £200 just by adding cavity wall insulation.

Spray Foam Uses: Hire The Help Of The Experts!

When people think of spray foam insulation, many ask whether they can do it as a D.I.Y project. Well, sadly, the answer is resounding no. Unlike fibreglass, spray foam is a lot more challenging. Here are some reasons why you need a certified professional to install it:

  • Spray foam is created by mixing chemicals and substances together. You need the perfect ratio, otherwise it will not provide thermal efficiency. Only the right ratio will ensure the proper chemical reaction
  • The temperature of the spray foam can be challenging to apply, especially during the winter in cold temperature. Cold substrates can draw heat away from the reaction, causing the foam to expand improperly. A professional and trusted contractor will not allow that to happen
  • Last, but not least, installing spray foam can be messy. That is why a professional contractor will make sure to clean afterwards, and leave your home just as they found it.

Seeking out a multi-purpose product to insulate your home for good? Spray foam can help! Learn more of the brilliant benefits of this industry leading product today, By calling 0800 1700 636 , or by simply clicking the button below!

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