This will depend on the construction on your roof and if it is a refurbishment whether the roof tiles are going to be removed.
Insulating a tiled roof.
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.
It must be remembered that just because a roof space is insulated and the floor boarded it does not mean that the room can be considered a habitable room for a full.
We re looking to buy a georgian property with a lath and tile roof i e.
No membrane vapour barrier or existing insulation and would like to start the renovation by repairing the roof replace some split tiles and some of the lead work followed by insulating and boarding out the pitched roof.
The main difference between the two is the location of the insulation.
Ks1000 rt is a roof tile system that looks like a traditional pantile roof the system looks like a traditonal pantile roof but is a modern kingspan insulated panel with a shaped exterior.
Insulating a roof is perhaps the easiest of all the energy saving home improvements.
The materials used to insulate under the roof include batts of mineral or glass wool insulation held in place by battens of wood attached to and across the rafters alternatively polystyrene.
When insulating a house the loft is usually the best place to start as it is easy to do yet around a quarter of the heat in an uninsulated house is lost through the roof.
The insulation is built in and can be used for any commercial building with a roof pitch of 12 or more after a deflection.
The main decision to make when insulating a pitched roof is if you are going to have a warm roof or a cold roof.
Insulating a sloping roof.
Insulating in and around your roof attic space also prevents long term damage from moisture build up or ice damming which results from the warm air trying to escape through the apex of the roof but instead heating up the snow.
There has to be a minimum 25mm air gap between the insulation and the underside of the tiles or slates with an 80mm board running across the rafters.
Even now many roof spaces that have been insulated have insufficient or poorly performing insulation that has slumped over time or has been disturbed by tradespeople.
The answer is not to attempt to insulate an existing roof but to remove an old roof and replace with a new thermally efficient conservatory tiled or solid roof.