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ROCKWOOL curtain wall insulation provides superior fire resistance in glass, metal, and masonry curtain wall spandrel systems.

When used in combination with ROCKWOOL firestopping products, they provide a comprehensive firestopping system that has been UL/ULC tested and approved for perimeter fire containment systems. ROCKWOOL insulation will not expand or contract due to temperature variances in the curtain wall system. These attributes result in optimal thermal performance of a building envelope.

Curtain Wall UL
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