Monokote® MK-6/HY™ ES™

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The object content is configured for use in UK, but it may also be suitable for use in other locations.


An extended set version of MK-6/HY™. The sprayed material bonds tightly to the substrate forming a durable surface that does not dust or flake. Being gypsum based however, it is not designed for permanent exposure, or exposure to extreme weather conditions. To achieve accelerated set during application (15 minutes), Monokote® Accelerator must be injected into Monokote® MK-6/HY™ ES™ at the nozzle of the spray gun.


Features and benefits:


  • The product is lightweight, economical and fast to apply.
  • It has fast setting characteristics which enable it to withstand adverse weather conditions encountered during the construction phase, and can be applied when the building is not weather tight.
Platform Compatible Version Certified to
IFC IFC - 1 2.1
Revit Revit - 1 2.1

  • Properties and values
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Properties and values

Not begin until the contractor and applicator have determined that the surfaces are acceptable to receive the fireproofing material
Seek advice from GCP regarding certain substrates, e.g. primed steel and all concrete surfaces
260 kg/m³ (16 pcf)
All surfaces to receive spray applied fireproofing shall be provided free of oil, grease, paints/ primers, loose mill scale, dirt or other foreign matter which may impair proper adhesion, other trades shall install clips, hangers, support sleeves and other attachments required to penetrate the fireproofing prior to application, other trades shall not install ducts, piping, equipment or other suspended items until the fireproofing is complete, complete placing of concrete on floor and roof decking prior to the application of the fire-protection to the underside of the deck, beams and joists, protect surfaces in the immediate spray area that are not to be coated with suitable masking, drop cloths or other satisfactory covering
Carry out before installation commences
An air and substrate temperature of 4.5°C minimum shall be maintained for 24 hours prior to application, during application and for a minimum 24 hours after application, provision shall be made for ventilation to properly dry the fireproofing after application. In enclosed areas lacking natural ventilation, air circulation and ventilation must be provided
10 mm - 84 mm

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