Spray Foam Insulation

Spray Foam Insulation
Spray Foam Insulation
Spray Foam Insulation


Spray applied or injected PU foam (commonly known as spray foam) has a K-value in the range of 0.025 to 0.028w/mK and as such provides extremely high insulation values.

Spray foam is produced on site using specialist machinery by fully trained, approved installers to ensure quality control and performance.

Spray foam insulation products can be closed cell or open cell.  Closed cell has a lower thermal conductivity, can be used for stabilisation, has less air leakage and stops the passage of water. Open cell spray foam is more breathable, has better acoustic properties and costs less than closed cell spray insulation.



The Energy Saving Trust estimates that 25% of a home’s heat loss is through the roof, 35% is through the walls and 25% is through air leakage or draughts so cavity wall and loft/roof insulation are two of the most effective energy efficiency measures for the home.

Spray foam can be used in a number of insulation applications including: loft/roof, loft conversion, walls, floors, ceilings and to fill voids and gaps.

The foam helps to reduce heat loss and draughts so reducing your energy bills and making your home feel more comfortable.  With a warmer home you should be able to turn the heating down by a degree or two – not only saving energy and money, but this may help to extend the life of your boiler too.



It isn’t only domestic properties that can benefit from being properly insulated, many commercial buildings can be insulated using spray foam including; factories, warehouses, retail/exhibition spaces, offices, soffits and agricultural buildings. For many of these spray foam will also help prevent surface and interstitial condensation which provides benefits for the use of these buildings.

Spray foam is extremely versatile and there are a comprehensive range of different insulation products and techniques designed to meet the needs of a whole range of property types and project needs across a variety of different sectors.



To find out more about spray foam insulation and arrange a survey and quotation click on the link below to find an NIA spray foam installer in your area.

List of Spray Foam Installers

You can be safe in the knowledge that an NIA installer will have signed up to our strict Code of Professional Practice meaning peace of mind comes as standard with an NIA approved member.



Cavity Wall Insulation

Cavity Wall Insulation stores the heat within the inner walls, bouncing it back into the room and holding it for longer.

Solid Wall Insulation

If you live in a home with solid walls, 45% of your heat is escaping through the walls which is costing you money.

Loft Insulation

As much as a third of the heat you pay for could be escaping through your roof. It's an easy way to save money.

Draught Proofing

Draught proofing is one of the most inexpensive and effective energy efficiency measures for the home.