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PIR (polyisocyanurate) insulation for creating warm pitched roofs by insulating above and between the rafters. Insulating a pitched roof at rafter line - to create what is usually known as a warm roof - makes full use of the building volume by making the roof space available for occupation. Having the insulation at rafter line can also reduce stress on the structure and, even if the loft space is not utilised, there is still the benefit in having water tanks and other services within the insulated area. A warm roof may be formed by laying insulation across the rafters and fitting additional insulation between the rafters. Using the space between the rafters reduces the depth of insulation required above the rafters which limits the loads on the fixings and makes installation easier. This form of construction is suitable for new build, as well as projects where the roof will be stripped and re-covered.
|Size & Weight|
|Max Length (?)||4000 mm|
|Max Thickness (?)||150 mm|
|Max Width (?)||2000 mm|
|Min Length (?)||1000 mm|
|Min Thickness (?)||20 mm|
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