Best floor insulation the temperature stable and helps reduce energy bills, making it one of the best investments you can make for your home. A well-insulated floor can save 7 cubic metres of natural gas per square metre on an annual basis. This translates to a return on investment of between PS200 and PS250 a year.

Depending on the build up of your house and what you are insulating against, there is a range of different insulation products that can be used to insulate your floor. These include blanket insulation forms like fibreglass, mineral wool or cellulose, rigid foam boards and spray insulation.

Rigid foam board insulation is a great option for insulating your floors because it can be fitted between the joists of your suspended flooring, providing an airtight barrier against heat loss and cold air ingress. It comes in a range of thicknesses and densities, the higher the density the more soundproof it is.

The Best Floor Insulation Options for Your Home

It is available in a number of different types including EPS, XPS and polyisocyanurate. The EPS sheets are the least expensive but offer the lowest R-value, XPS is an intermediate option and polyiso offers the highest levels of insulation with the most R-value for your money.

Spray foam is a non-conventional form of insulation that can be applied as a liquid and expands to fit between the joists of your suspended floor, creating an airtight seal. It can be installed by a professional or you can do it yourself, although you should follow the manufacturers’ safety instructions carefully and make sure that your work complies with local building regulations and fire safety codes.