Cavity Wall Insulation

Houses with solid walls such as stone properties do not have a cavity so they can not be insulated. Not all cavities are the same size. Some properties with especially small cavities of less than 40mm or especially large cavities of more than 100mm may require special equipment to insulate them. Due to the need to inject into the walls of the property there must be clear space of at least 1 metre infront of each wall to be insulated in order for the installation team to have room to work.

HOW IS CAVITY WALL INSULATION INSTALLED?
The contractor injects Rockwool insulating material into the gap between the two skins of brickwork, through holes drilled at regular intervals into the mortar joints. The work causes little or no disruption as the insulation is injected into the cavity from the outside, typically taking two or three hours. The holes are then filled with mortar or render to match the existing. As well as massively decreasing the amount of heat which escapes through the walls, it reduces draughts and will help create a more even temperature in your home, help prevent condensation on the walls and ceilings and can also reduce the amount of heat building up inside your home during hot weather.
ARE ALL PROPERTIES SUITABLE FOR CAVITY WALL INSULATION?
Houses with solid walls such as stone properties do not have a cavity so they can not be insulated. Not all cavities are the same size. Some properties with especially small cavities of less than 40mm or especially large cavities of more than 100mm may require special equipment to insulate them. Due to the need to inject into the walls of the property there must be clear space of at least 1 metre infront of each wall to be insulated in order for the installation team to have room to work.

	HOW DOES IT WORK ?
	Cavity wall insulation slows down the rate at which heat escapes through the walls of your home, keeping as much of it as possible inside your home for as long as possible. The best insulation is air but it does have to be still air. That means not moving by convection or draft. As the air moves it removes heat from the surface over which it passes.The heat that it is removing from a cavity wall is coming through the inner wall to the cavity and it then transfers to the outer wall which because, espescially in winter, it is cold takes the heat and passes it to the outside. Putting Rockwool into the cavity stops the air movement and therefore stops the transfer of heat to the outside. Insulation makes it much more difficult for heat to pass through your walls by filling up the cavity with a material with lots of air pockets in it. These pockets greatly reduce what is known as your walls' U value - which is a measure of how quickly they lose heat - from around 1.5 to 0.5 W/m2K . The lower the U value, the slower heat is lost - and the less energy you need to keep your home warm.
HOW DO I APPLY FOR FREE INSULATION?
Applying for free insulation could not be easier: CALL FREE ON:O8452 332288