The insulation is immediately below the waterproofing layer.
Warm roof boards.
The insulation can be adhered mechanically fixed or loose laid.
With a warm roof moisture is isolated before it can reach the roof deck meaning condensation can t form and weaken the structure.
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A cold flat roof insulation requires more work taking off old boards and replacing them and the roof surface.
A warm flat roof or a built up roof bur is one where all the insulation is above the joists deck making them part of the warm fabric of the building.
Warm roof insulation ensures the entire roof structure is insulated meaning a warm deck roof is more energy efficient than a cold roof.
The thermal efficiency isn t as good as with warm roof.
The great thing about a warm roof is that if your.
The breakdown warm roof vs cold roof.
With a warm roof the insulation is installed on top of the existing surface rather than in between the rafters.
Installing a warm roof can be extremely straight forward and simple to do.
A warm roof uses solid pir insulation boards that sit above the roof deck topped by moisture tolerant boards.
The vapour control layer is above the decking but below the insulation.
We also have insulation boards suitable for more specialist roof applications for example inverted roof insulation and balcony insulation.