Monokote® MK-6 HY

Monokote® MK-6 HY

GCP Applied Technologies Third party certifications:
  • BSI Kitemark

    BSI Kitemark

    Certificate type

A spray applied structural fire protection system. Low density gypsum plaster with enhanced set characteristics and product yield.

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Application

  • Structural fire resistance.
  • Steel beams and columns.
  • Composite deck.
  • Concrete.
  • Cellular beams.
  • Refurbishment or new construction.

Description

A gypsum based (with no mineral fibres), machine applied fire protection system. It is a cost effective and fast application system for the fire protection of steel and concrete structures. It bonds tightly to steel and concrete substrates, forming a hard surface which does not spall, dust or flake. Being gypsum based, is not designed for continuous exposure to weather or water. In both BS476 and the new European Standards the fire resistance performance of elements is judged against the three criteria of load-bearing capacity, integrity and insulation.

The European Classification System will use the abbreviations of R, E and I respectively. It is to be used with GCP Injection system and Monokote® Accelerator to reduce the set time and improve product yield. The applied fireproofing will set typically within 15 minutes, thus allowing the operative to apply a second coat almost immediately. This unique fast setting properties enables it to withstand adverse weather conditions encountered during the construction phase. It is, therefore, ideally suited for application to the building whilst in its “open envelope” stage.

Applications:

  • Structural fire resistance.
  • Steel beams and columns.
  • Composite deck.
  • Concrete.
  • Cellular beams.
  • Refurbishment or new construction.

Advantages:

  • Longevity: If undisturbed, Monokote is designed to last for the life of the building.
  • Proven in-place performance: It will stay in place during construction phase, for the life of the building until the day of the fire and meanwhile the intervention of the fire-fighters.
  • Safety: Monolithic barrier with no joints and not reliant on a chemical reaction.
  • Thin system: No need to allow the room between steels and over-cladding for expansions that is required for intumescent coating.
  • Quality: On-site quality control done by using the GCP Yield Kit Box.
  • Low density: Less net weight applied on the structures.
  • Value for money: Direct application on unprimed steel with no corrosion pre-treatment in a C1 environment (BSEN ISO 12944-2:1988).
  • Program Benefit: Installation to start as soon as the concrete deck of the floor above is poured.
  • It can be mixed in standard plaster mixers. After mixing it may be spray-applied with commonly available pumping and spraying equipment for high speed efficient application. It can also be applied with trowels and poured into wood formworks.

General information

Uniclass 2015

Pr_35_31_64_12 Cementitious rendersPrimary

CAWS

M22/120 Sprayed

Specification data - Cementitious renders

Product Reference

Monokote® MK-6 HY

Thickness

30 minute fire rating to BS 476-21

60 minute fire rating to BS 476-21

90 minute fire rating to BS 476-21

120 minute fire rating to BS 476-21

180 minute fire rating to BS 476-21

240 minute fire rating to BS 476-21

Bonding agent

Consult manufacturer for details and insert requirement.

Finish/ sealing coat

Consult manufacturer for details and insert requirement.

Standard product features

Barrier/ bonding coats:

Seek advice from manufacturer regarding certain substrates, e.g. primed steel and all concrete surfaces.

Combustibility:

Class 0 to BS 476-6 and -7.

Colour:

Grey.

Dry density:

260 kg/m³ (16 pcf).

Product Options

Thickness:

A minimum thickness of 10 mm is recommended and a thickness up to 84 mm can be applied. Alternatively, a fire rating to BS 476-21 (30 minutes-4 hours) can be specified. Refer to the Hp/A table supplied by manufacturer and/ or ASFP yellow book.

Third party certifications

  • British Standards Institution (BSI) - certficate : Monokote MK-6 HY has been fully tested and assessed under BS 476 part 21:1987

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