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ROCKWOOL Fire Resistant Silicone Sealant is a one part alkoxy cure silicone with excellent un-primed adhesion to most building surfaces. This high specification product is designed to be used in joints with high movement capability or where they are formed between dissimilar substrates, for example steel and masonry.


  • All joints up to 40 mm wide.
  • Up to four hours fire protection.
  • Used in joints with high movement capability.

General information

Uniclass 2015

Pr_30_31_76_77 Silicone construction joint sealantsPrimary


E40/530 Sealant

F30/610 Movement joints with sealant

F30/76 Movement joints with sealant

L10/70 Fire-resisting frames

L10/790 Fire-resisting frames

L20/80 Sealant joints

L20/820 Sealant joints

P12/48 Sealant – fire-resisting acrylic

Specification data - Silicone construction joint sealants

Product Reference

ROCKWOOL FIREPRO Fire Rated Silicone Sealant

Standard product features



Fire testing:

Fire Resistant Silicone Sealant is tested to BS 476: 20.

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