Insulating Your Roof Space

The technically correct approach depends on a number of factors.

Insulating your roof space.

Insulating between the joists of your loft will keep your house warmer but make the roof space above colder. Before insulating seal any air leaks and make roof and other necessary repairs. How to insulate a finished attic. To get the target r value from the product you chose use the number of bags your calculations showed that you needed to insulate your attic never fewer.

Whether or not there is an inner roof lining and the total thickness of the roof structure. Pipes water tank and loft hatch. Insulate and air seal any knee walls vertical walls with attic space directly behind them in your home as well. If you ve reached your target depth but still have a few bags left over keep adding the material at an even depth throughout the space until all the bags your calculations called for are empty.

Before fitting any insulation to the sides of a pitched roof space any repairs to the roof should be completed once the insulation is in place it will be harder to spot any leaks inside the roof and any leaks will soak the insulation itself. A finished attic should be insulated much like the rest of the house with insulation in the walls and ceiling. If your attic is often used or perhaps you plan to convert it in the future you will need to insulate the inner surfaces of the roof. Flat roof insulation always requires professional insulation and damp roofs require professional assessment before work can be carried out.