ROOF INSULATION

Click here if you are not sure what type of roof you have or if it is already insulated.


Roof Insulation refers to insulation material that is either installed on the sloping part of a roof, typically from the inside, or flat roof insulation where it is normally installed from outside. Roof Insulation differs from Loft Insulation which is installed on the floor of the loft.

Up to 25% of the heat generated in your home could be escaping if you have little or no Roof Insulation. EnergyLink are currently unable to assist with a grant for Roof Insulation as they are not yet available. We can assist with Loft Insulation, which is rolled out in blankets on the loft floor.

Pitched Roof Insulation

There are two main types of Pitched Roof Insulation. A foam material can be sprayed onto the underside of the roof. This is an effective form of insulation but it can be messy and expensive.

The most common type of Roof Insulation is to fit solid insulation boards between the rafters. Plasterboard can then be secured on top of the insulation boards. This is commonly used when the loft space is being converted into a room.

Grants are not available for this type of insulation.

Flat Roof Insulation

It is preferable to install Flat Roof Insulation from the outside. This would normally take place if the roof needs to be replaced but it can be retro-fitted to flat roofs that are in good condition. Rigid insulation boards are normally fixed to the roof and a weatherproof layer is then added. Flat Roof Insulation can also be installed from inside but condensation problems can occur if it is not installed correctly.

Grants are not available for this type of insulation.

Loft Insulation

Loft insulation is installed on the floor of the loft. Blankets of mineral wool (glass fibre) are rolled out between and then across the joists. The latest Government recommendation is a depth of 11 inches or 270mm.

Unlike Roof Insulation, free Government-backed Loft Insulation grants are available now under the Energy Companies Obligation (ECO).

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