Insulating A Tiled Roof
This is usually done by laying quilts or batts of insulation between and over the joists.
Insulating a tiled roof. It s also within the capability of most diyers although not the most pleasant of tasks. The water situation made us think that is a bad idea. The original insulation plan from the insulation contractor was to insulate the roofline. Insulating a roof is perhaps the easiest of all the energy saving home improvements.
It s worth insulating the sloping insides of a pitched roof in order to conserve heat if the space is to be used for anything except simple storage. This will depend on the construction on your roof and if it is a refurbishment whether the roof tiles are going to be removed. Mineral wool rolls are ubiquitous and cheap meaning a whole roof on a standard home could be insulated to the recommended 270mm with a spend of little more than 200. Roof tile insulation is primarily used to protect your roof against the elements and reduce heat loss.
The main difference between the two is the location of the insulation. If you intend to use the loft for storage then the most cost effective solution is a cold roof where the insulation is laid on top of the ceilings of the rooms below.