Flat Roof Insulation Board. Flat roof insulation on a metal deck with no ceiling. When it comes to the insulation itself, you can use the standard mineral wool/ mineral rock-type insulation or the compressed board-type insulation e.g.
Foam board insulation products types and sizes. When it comes to the insulation itself, you can use the standard mineral wool/ mineral rock-type insulation or the compressed board-type insulation e.g. PIR boards (polyisocyanurate insulation) have a wide applicability and are perfectly suited to insulate a flat roof or a cavity wall.
The only difference is that tapered insulation is wider along one edge and narrower along the other.
Just enough slope to drain water but also flat The good news is that there are material options for your flat roof beyond traditional hot-mopped built-up roofing that will increase the reliability of the flat roof.
This is less messy and causes less disturbance than replacing the boards. A modern roof insulation system must do more than The high mass and the fibrous texture of NBT PAVATEX just protect building occupants from cold. PIR is a rigid foam board which has a very high fire safety value.