Live Chat. Free Delivery on all orders over £300. To know more about expanding foam Read Our Guide.
COVID-19 Notice: Some products are currently on extended lead times and others are temporarily unavailable. If you require a more accurate delivery time estimate on your order you can contact us at email@example.com. For the latest updates visit our Covid-19 Updates & FAQ Page.
What is expanding foam?
Expanding Spray foam is a liquid foam which is to be sprayed. The foam then expands and sets into an insulating layer. One of the most effective insulation material in the market today is Spray foam insulation. It became the most preferred choice of the consumer in the United Kingdom in a matter of no time as it is an effective insulator and can also stop air leakage. The prices of energy are increasing day by day. As a result, everyone is more interested in quality insulation which can keep a structure warm without incurring excessive cost. Expanding foam is versatile as it can be used to insulate loft, roof, floors and walls.
Acoustic foam and Fireproof foam is specially manufactured to increase the performance of spray foam. Acoustic foam have 60dB acoustic rating and is preferred by most of the builder so attain the required acoustic performance.
R-value of spray foam
R-value means Resistance to heat flow which states that the greater the R-value the higher the insulating power of the material. Open-cell or low-density spray foam has an R-value of R-3.7 per inch, while closed-cell or high-density spray foam has an R-value that may be as high as R-6.5 per inch. Always check with the technical department before finalizing the product.
Types of expanding foam
Closed-cell expansion foam
Open-cell expansion foam
Fire-rated expanding foam
Fire-rated spray foam can be used as an efficient seal against smoke and gas, providing up to 240 minutes fire rating. Fire insulation has high thermal properties and provides acoustic insulation.
Advantages and disadvantages of spray foam
Expanding Spray foam insulation has many advantages over alternative insulation products such as fiberglass and cellulose. Insulating with spray foam throughout the entire home, seals-off all air infiltration by sealing the voids throughout the insulated area. This helps to create a thermal envelope controlling the air inside the building allowing for the downsizing of the buildings HVAC systems lowering building costs.
Saves energy up to 30-50% per year
Decreases moisture and air infiltration
Provides more consistent temperature
Reduces dust and pollen infiltration
Improves structural strength of the construction
Reduces the possibility of mould
Provides acoustic performance
Decreases any damages from ice
R-values remain stable over time
It has the highest performance of all insulation
It is permanent and will not sag or settle
The upfront cost is higher
2-4 years period for payback
It is not generally a Do-it-Yourself project
The installation process is longer
Installation is a bit messier