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Fireproof coatings for slabs

Product 86


White intumescent coating to upgrade the fire rating of fire-resistant rock fibre slabs to 4 hours integrity

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£0.00 ex. Vat


Fireproof Coatings for Slabs

Fireproof coatings for slabs. A white intumescent coating for application to rock fibre slabs and non-fibrous slabs. Such as Product 4 – Intumescent Coated Slabs and Product 5 – Intumescent Coated Non-Fibrous Slabs. Upgrades their existing fire rating considerably. Intumescent expands under heat thus providing effective fire protection. Also provides additional fire protection for applications such as sealing around service penetrations.

  • Tested to European Standard EN 1363-1 achieving 238 minutes integrity and 153 minutes insulation.
  • Supplied in 1 litre, 2½ litres and 5 litres. Other quantities are available.


We provide an extensive range of fireproof coatings, intumescent paint, wallpaper, and sprays compatible with a range of materials. Explore our Fireproof Coatings online.

Envirograf ® passive fire products carry the hallmark of excellence, reflecting the high standards that prevail in its laboratory, test rig, and manufacturing plant. Envirograf® passive fire products are subject to rigorous quality control which, at all stages, ensures products remain at the leading edge of fire containment technology. This quality has earned the company and its passive fire products a high reputation, with its operating system accredited to ISO9001.


– Ideal for improving the fire rating of ordinary rock fibre slabs, converting them into an effective fire-stopping barrier or penetration seal

– The slab coat is solvent free and ready to use

– Can be used in conjunction with Envirograf Products 4, 5, 40 and 41, as well as for sealing around joints in penetrations

Application Instructions

Can be brush or trowel applied.
Joints can be sealed using Slab Coat in a mastic cartridge.
Tools can be cleaned in warm water.
Apply to either high density RW6 rock fibre slabs or Envirograf® Products 4 and 5 (high density fireproof sponge) to provide extra fire protection.

Order References / Sizes

Ref                  Volume

CS-1L              1 litre

CS-2.5L          2.5 litres

CS-5L              5 litres

CS-10L           10 litres