In case of warm roofs they have an insulation above the roof deck in this way it keeps the deck warm.
Warm roof or cold roof extension.
Warm roof vs cold roof a warm roof is the easiest and most cost effective type of insulation and is an ideal choice for pitched roofs.
No ventilation is required for these types of roofs.
In these cases a cold roof is a preferable alternative to warm roof insulation.
In a cold roof the insulation is applied between the rafters but in a warm roof the insulation is applied on top of the existing roof surface.
For more information on any commercial industrial roofing services contact us at roofing consultants group 0800 046 1500.
On some flat roof extensions and balconies a warm roof would increase the height and isn t possible in this scenario you should choose a cold roof insulation.
Cncd 053 v1 5 7 2019 warm deck roof a warm deck roof is where the insulation is placed on top of the rafters joists and the roof covering is then placed over the insulation.
Guidance advice on warm cold roofs www cncbuildingcontrol gov uk.
Have a look at our flat roof product comparison blog post to figure out what you can cover your.
On warm cold roofs 02.
It should also be noted that a warm roof adds height to a flat roof and so cannot be used on balconies and extensions with doors that lead onto the roof.
It is usually the most acceptable type of construction for domestic possessions and belongings as it avoids the need for aeration of the roof construction.
The membrane is then attached to the insulation.
Namely the insulation layers.
As a result of the height difference warm roofs cannot be used on balconies and flat roofs extensions with doors leading onto the roof.