ROCKWOOL FASROCK rigid slabs 1000×600mm
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ROCKWOOL FASROCK rigid slabs 1000×600mm

A rigid water repellent stone wool slab suitable for external wall thin coat systems. Due to its high density it is suitable for areas that may be subject of high level of impact.


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Rockwool Fasrock is a rigid high density slab for external wall systems with excellent thermal conductivity performance and good sound absorption. It can be used for thin coat rendering systems or for thicker light coating systems.
Rockwool Fasrock slabs are recommended in areas which may be subject of high level of impact due to vandalism or similar. This is in most cases likely on facades next to streets, playgrounds or on the bottom area of school facades. In such case we recommend on top side a special reinforced mesh in double layer, which prevents the wool from damaging. While supported with mechanical fixings, Rockwool Fasrock can easily carry heavier loads of such reinforced shield and gives us an optimal solution.

Rockwool Fasrock is a very good thermal insulator. It is not flamable when exposed to open flame and does not generate smoke nor burning droplets. It helps to prevent the spread of fire. Rockwool Fasrock has also very good acoustic properties. It is water repellent through the whole section and at the same time diffusion open for the vapour transmission.

Data sheet

Data sheet
1000x600 mm