You should leave the space under the roof tiles free from insulation to give adequate ventilation so that you don t get condensation or water coming through the tiles.
Warm roof loft insulation.
Insulating your loft attic or flat roof is a simple and effective way to reduce heat loss and reduce your heating bills.
First it s a more specialist job not really a diy task.
The insulation is installed under the roof in the slope.
And there s even more good news.
Warm loft insulation is more expensive for two reasons.
Warm loft insulation for pitched roofs.
For a warm loft you install insulation directly under the roof in the plane of the roof s pitch slope.
It s a lot more difficult to insulate between roof rafters the angled wooden parts that hold up the roof.
A quarter of heat is lost through the roof in an uninsulated home.
It lasts for more than 40 years and should pay for itself many times over in energy bill savings as the cost of loft insulation is comparatively low.
You ll need warm roof construction where the insulation is attached to the underside of the roof itself.
Warm loft insulation is used on pitched roofs where you are using the loft space as a room or for storage.
Loft insulation is effective for at least 40 years and it should pay for itself many times over.
If you can t install cold loft insulation because for example you re using your loft as a living space you will need to consider warm loft insulation.