This is then topped up with 120mm of glass wool installed.
Hybrid flat roof.
However this is a general guide and could change depending upon the building use location and humidity class.
Warm flat roofs and cold flat roofs.
We would recommend a condensation risk analysis be carried out on every hybrid flat roof construction to determine the insulation.
In each case the name refers to the position of the insulation in relation to the roof deck.
Hybrid roofscombining elements of both cold and warm flat roof design hybrid roofs appear to offer the best of both worlds when it comes to maximising thermal performance while limiting constructional depth.
The hybrid system is a multi layered high performance roofing solution using superior time proven materials.
Our final example of this block is a hybrid flat roof insulation solution is a highly cost effective solution where larger timbers 150mm have already been installed the solution starts off with our next gen sf19 superfoil insulation installed across the top of your joists with firings overs the top to provide the necessary drop.
Imagine a flat roof constructed on timber deck and joists.
A warm flat roof is.
Traditionally flat roof constructions fall in to two camps.
A hybrid cold flat roof is one where at least 2 3rds of the insulation is above the roof deck or joists.
When issues like those above occur it s not surprising that people look at the space between the joists and wonder if they can use it for more insulation.
If the basic warm roof construction is followed before extra insulation is installed problems can arise.