Rockwool Softseal Coatings & Sealants

The Rockwool Softseal Coating strips. The ideal solution for reducing the spread of fire and smoke throughout buildings unseen voids. The Softseal coated strips have been manufactured to accommodate structural movement and services movement while achieving excellent fire performance and acoustic properties.

  • Product Information:
  • The Softseal is compliant with tests EN1366-3 2009 EN1501-2 CE Marked
  • 80kg/m3 density
  • Coated on two sides and is fire resistant for up to 2 hours.

*Always Refer Back To The Manufactures Specification Document

Download Specification


The ROCKWOOL FIREPRO® SoftSeal System has been developed in response to demand from the market for a firestopping solution where high levels of movement in the building’s services or joints need to be accommodated.

The FIREPRO® Softseal System is suitable for applications in penetration seals.

Part of the ROCKWOOL FIREPRO® range, FIREPRO® SoftSeal System incorporates a product specifically designed to accommodate movement within buildings in penetration seals.


• Acoustically absorbent
• CE Marked
• Easy to handle and install
• Tested for durability to current EU guidelines
• Supplied pre-coated

Penetration seals

As part of the comprehensive ROCKWOOL FIREPRO® range of fire protection products, FIREPRO® SoftSeal System incorporates a product specifically designed to apply to penetration seals within buildings, where the design needs to accommodate movement in the services.

The FIREPRO® SoftSeal System can be installed into apertures within masonry or drywall partitions as a standalone seal for openings up to 1000mm x 1000mm or as part of a larger ROCKWOOL Ablative Coated Batt seal (2 layers) to accommodate movement of services. *

A FIREPRO® SoftSeal Coated Strip comprises a low-density stone wool SoftSeal Lamella Strip, pre-coated with SoftSeal Flexible Coating.

The FIREPRO® SoftSeal Coated Strip is supplied in strips 1200mm x 200mm x 100mm.

The FIREPRO® SoftSeal flexible Coating is also available in 5L, 10L and 20L tubs to enable site repairs to FIREPRO® SoftSeal Coated Strips and FIREPRO® SoftSeal Linear Joint Seals, that may have been damaged during installation. To complement the FIREPRO® SoftSeal Coated Strip, ROCKWOOL also supplies.

FIREPRO® SoftSeal High Expansion Intumescent Sealant (310ml) and FIREPRO® SoftSeal Flexible Acoustic Intumescent Sealant (310ml).

FIREPRO® SoftSeal Coated Strip is intended to reinstate the fire resistance, acoustic and air seal performances of concrete floors, masonry walls and dry wall systems when voids have been created for the passage of services.

This includes pipes made of steel, cast iron, copper, polypropylene (PP), high density polythene (HDPE), PVC and ABS along with all sheathed cables up to 80mm and supported cable bundles.

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