PETRAROOF-FILL
STONE WOOL TRAPEZOIDAL BLOCKS
Stone wool blocks with trapezoidal cross--section, used to fill troughed sheets.
Improved acoustic and thermal insulation.
Used to level the roof surface for the first insulation layer.
The shape and size of the blocks is tailored to a given type of troughed sheet during the production process
Highest fire performance class – A1 Euroclass.