https://www.pveurope.eu/mounting/flat-roof-mounting-solar-rock-flat-roofs
A solar rock for flat roofs
The insulation board withstands higher loads such as snowfall. It shows almost no deformation in the long term. And under the supporting structures of a solar installation, it is also suitable as a wear layer for lightly greened flat roofs or as a substrate under terrace coverings that make it pleasant to spend time on the roof.
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Insulation boards are available in thicknesses of 60, 80 and 100 millimetres. They complement any flat roof insulation as a top wear layer with which the desired thermal protection is achieved. Solarrock has a compressive stress of more than 80 kilopascals.
Also interesting: A solar mounting system that combines well with roof insulation
Like all of the manufacturer's roof insulation materials, the Solarrock is recyclable. Rockwool's Technical Advisory Service provides support in planning a project-specific insulation for a flat utility roof. (mfo)