5 Best Of How To Create A Warm Roof Best Resolution Image. A Helical fixing that is used to secure and sandwich a layer of insulation over the structural roofing timbers in energy efficient buildings. Frame the roof One important and perhaps not so obvious fact is that a flat roof is not actually flat.
Ventilation air gap of at least 50mm with vents at bottom and top of roof pitch. Namely the insulation layers. Insulating the roof above the rafters is known as warm roof insulation as the rafters are brought into the insulated envelope of the building.
As you can see in the picture below the shed roof insulation is located above the roof deck.
While there are many variations there are two popular options used to create a hot roof. To create a warm roof it is necessary to insulate the sloping surfaces of the roof with rigid sheet insulation also known as board insulation. Breathable membrane if pitched tiled roof or nothing if flat roof. So if I make the new roof a warm roof insulation behind the fascia is straightforward if fiddly I just need to persuade the roofer to close and insulate the gaps between joists by taking off the old fascia and inserting pieces of rigid insulation between joists and use expanding foam to seal the insulation to the joists roof board and.