105-Fire_resistant_coating_for_plaster

Fire-Resistant Smooth Finish For Upgrading 9mm And 12½mm Plasterbaord To 1 Hour Fire Protection

Fire resistant coating for upgrading lath & plaster ceilings, walls and cornices to one hour protection. (PRODUCT 105)

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  • Description
  • APPLICATION INSTRUCTIONS
  • DOWNLOADS
  • ORDER REFERENCES

Product Description

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This is a white aqueous dispersion coating offering protection for plasterboard of various thicknesses. The Envirograf® coating develops a micro-porous intumescent layer which not only gives a smooth decorative finish but also provides in excess of one hour fire protection to the plasterboard. Apply 2 coats at 8m2/litre on 9mm or thicker plasterboard.

 

ADVANTAGES

  • Designed for application to 9mm or 12½mm thick plasterboard, 18mm & thicker lath-and-plaster, or concrete walls and ceilings, providing 1 hour of integrity and insulation
  • Can be used to protect and insulate concrete and also insulate steelwork within a layer of concrete
  • Dries to a smooth or stippled decorative finish
  • An ideal solution for upgrading the fire rating of original features in Graded historical buildings

 

FIRE TEST PERFORMANCE

Tested to BS476 Parts 20, 22, and 23 (1987), applied to plaster-coated 9mm thick plasterboard affixed to a timber-stud partition, achieving integrity and insulation of 71 minutes.

Tested to BS476 Part 21 (1987), applied to 12½mm thick plasterboard beneath a loaded timber floor, achieving a fire resistance of 61 minutes (insulation, integrity, and load-bearing capacity).

Tested to BS476 Part 21 (1987), applied to a load-bearing lath-and-plaster ceiling, achieving 60 minutes fire resistance (insulation, integrity, and load-bearing capacity).

 

DISCLAIMER

Please Check for your Building Control Approval before purchase.

For over 30 years Envirograf Intumescent Coatings have been widely recognised and approved by Building Control. However we always recommend initial approval of our products prior to purchasing, to avoid any problems with Building Control approval.

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APPLICATION INSTRUCTIONS

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Clean all walls or ceilings, taking off any loose paint and removing all wall or ceiling paper. Any grooves or cracks in the ceiling or walls can be made good with Envirograf® Intumescent Cement – Product 63 or AM Intumescent Mastic – Product 58. Should it be found that EP/CP will not adhere to the existing coating, then either apply a PVA Adhesive Coating at a 50/50 ratio of adhesive to water, or apply 1 coat of Envirograf® HWAP Adhesion Primer at 14 m² per litre. Then apply 2 coats of EP/CP at the rate of 8 m² per litre, per coat. The approximate drying time is 1 hour. EP/CP is a smooth coating, but if you require a comb finish or a stippled look, then apply 1 coat of EP/CP at 8 m² per litre, followed by 1 coat of AB – Product 96 – this is a thicker version of EP/CP, which can be comb finished. EP/CP and AB both need a Top Finish Coat. This can be any make of external Smooth Acrylic Emulsion or Envirograf® HW/AEC Acrylic Coating at 10 m² per litre, per coat. This can be coloured and is available in matt or satin.

OTHER TOP COATS
HW04/UC white spirit based Undercoat at 10 m² per litre.
HW04/TC white spirit based Top Coat at 10 m² per litre. Available in matt, satin or gloss.
EP/CP and all the Top Coats can be coloured.
EP/CP can be painted onto all cornices or plaster mouldings with the same Top Coats applied.

Where cornices have gold leaf on them, a clear coating HW02/E can be applied – 3 coats at 8 m² per litre, per coat. For the Top Coat, apply 1 coat of BL/TCW water based clear Top Coat at 8-10 m² per litre.

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DOWNLOADS

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Please use the links below to download relevant information as PDF documents:

 

Technical Information

TD105-03-2013

 

Application Instructions

AP105-EP CP PRIMER -01-2015

AP105-09-2015

 

COSHH Data

HS105-EP CP PRIMER CLEAR

HS105-EPCP P-01-2016

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ORDER REFERENCES

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EP/CP PRIMER

A water-based primer for use where there is distemper, dirt, dust etc. prior to applying intumescent coating.

Ref Volume
EP/CP/P/1 1 litre
EP/CP/P/2.5 2.5 litres
EP/CP/P/5 5 litres

 

EP/CP INTUMESCENT COATING

A water-based intumescent coating for plasterboard.

Ref Volume
EP/CP/1 1 litre
EP/CP/2.5 2.5 litres
EP/CP/5 5 litres
EP/CP/20 20 litres

 

HW AEC TOP COAT

A water-based acrylic emulsion for application over EP/CP intumescent coating. For both internal and  external use.

Ref Volume
HW AEC/1 1 litre
HW AEC/2.5 2.5 litres
HW AEC/5 5 litres

This product is available in a smooth or stippled finish. Please specify required finish when ordering.

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