Mann McGowan - Pyromas A, Intumescent Sealant

SKU: HS000000WP0N-0310

Mann McGowan Pyromas A is an intumescent sealant sealant system combining water based acrylic emulsion with fillers to provide high levels of fire resistance in a range of building applications.

  • Effective slump-free sealing in joints up to 35mm wide
  • Colour: White (other colours available upon request subject to min. order qty)
  • Permanent sealing for all low-movement dry lining and partition joints
  • Easily smoothed to a good surface finish
  • Can be painted after curing
  • Supplied in 310ml cartridges to suit standard mastic guns


Fire resistance tests have been conducted to BS476: Part 20: 1987 achieving 4 hours fire resistance in gaps up to 35mm wide. Tests were conducted between a number of substrates including Hardwood, Softwood, Steel, Concrete, Vermiculite Board and Aerated Concrete. Pyromas A shows good resistance to a wide range of commonly found chemicals. Care must be taken to avoid prolonged contact with hydrocarbon based products

Link to Product Datasheet


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