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Rigid Insulation Rock Board Rigid Insulation Rock Board
Last Modified: 2017-12-06

Rigid Insulation Rock Board



The RockBoard® is a premium semi-rigid stone wool insulation board with low thermal conductivity.


This product is a multi-purpose board to be used in walls, ceilings, and floors.

RockBoard® comes in various densities for different applications:


  Actual Density Typical applications
RockBoard™ 35 3.5lb/ft3 Parking garage underdecking
RockBoard™ 40 4 lb/ft3 Mechanical rooms, General purpose 
RockBoard™ 60 6 lb/ft3 Metal roof requiring snow load
RockBoard™ 80 8 lb/ft3 Surfaces requiring wind load such as substrate for stucco walls

For complete technical data, please consult our Technical Library.

Rigid Insulation Rock Board

Fire resistant, non-combustible product Melting point of approximately 2150°F (1177°C) Water and moisture resistant, repels water Does not rot, promote mildew, fungi, or bacteria, or sustain vermin Unique directional fiber structure provides excellent sound control Provides superior compressive strength for job site durability Easy to install, cut, shape, and fabricate Fabrication at different densities maintains fire, water, and thermal properties Offered faced with reinforced foil