Clasolac Fire Retardant Acid Catalyst Lacquers

Morrells - The Home of Wood Finishes

clasolac fire

Clasolac Fire Retardant Acid Catalyst Lacquers

A quick drying, high build acid catalyst lacquer designed for manual or automatic spray application. Clasolac maintains the substrate rating and will not upgrade it. Always seek our technical advice before project commencement. Meets the requirements of BS 476: Part 6: 1989 & Part 7: 1997 Compliance with the Requirements for Class 1 & Class 0 Surfaces (as defined in Approved Document B of the Building Regulations 2000), when applied on rated MDF*. Clasolac meets the requirements of FIRA Standard 6250: 2005 for horizontal surfaces (excluding kitchen workshops) and rated as Heavy/Severe use.

  • Pack sizes available: 5L & 25L
  • Catalyst sizes available: 500ML & 2.5L


Clasolac Fire Retardant lacquers are also available in Fastmatch colours (BS, RAL, NCS etc).

Morrells recommends the use of N5 Salt Solution to upgrade the fire rating of untreated veneers. N5 can be brush or spray applied. N5 has an alkaline pH and may cause veneer discolouration, especially on the light-coloured timbers. Always prepare a test panel to determine whether the level of discolouration is acceptable.

  • Touch dry: 25-30 mins @ 18°C.
  • Recoatable: 2 hours @ 18°C.
  • Coverage: 40m2 per 5 litres
  • Sandable: 1 hour @ 18°C.
  • Packing: Overnight minimum
  • Typical Finish: 2 coats 75g/m2 per coat applied coat-on-coat


Data Sheet For Clasolac Fire Retardant Acid-Catalyst Lacquers

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