Envirograf HW01/F Fire Protection Coating

Envirograf HW01 White Intumescent Coating



Envirograf HW01 is a white, intumescent coating for wood.


  • BS Class 0 & Class 1 protection
  • 30 & 60 mins’ fire resistance
  • White finish for upgrading new or previously coated wood & timber
  • Water-based for internal/external use
  • Should be used as part of a complete Envirograf system
Bulk Buy

£30.68 tax excl.


£34.09 tax excl.

£36.82   tax incl.

Product Description

Envirograf HW01 White Intumescent Coating provides BS Class 0 & Class 1 as well as 30 and 60 minute protection for wood and certain wood related products (see product data sheets and test data for full details).

Recommended Uses

  • Part of a complete system with selected primers and topcoats
  • As a fireproof, white coating
  • Upgrading new timber/wood
  • Upgrading certain wood related surfaces already coated

Preparation & Application

See product data sheets in the 'Download' section below.

DOORS - Please download the 'Envirograf Upgrading Doors to Fire Doors' document from the 'Download' section below and then contact our Technical Department before purchase/use.


  • When using Envirograf HW01 White Intumescent Coating stir the tin well for approximately 5 minutes. In cold weather conditions it can go slightly thick, stand the container in hot water and stir it well – it will then go to a paint consistency.
  • The properties of this product cannot be guaranteed unless storage and application instructions are adhered to, Envirograf strongly advise that you apply the product over a small area to ensure that there is no adverse reaction to the substrate to be processed.
  • Envirograf HW01 White Intumescent Coating cannot provide 30 or 60min protection on MDF, only BS Class 0 & Class 1.
  • Minimum timber thicknesses apply for 30min and 60 minute protection - consult the product data sheets, test reports and Technical Department before proceeding.
  • Seek approval from the relevant authority for this product/system including test data prior to purchase/use (test data available upon request).

IMPORTANT FIRE PRODUCTS NOTICE: The information displayed on this website should be used as a guide ONLY and our Technical Department should be contacted to obtain a tailored specification and any advice necessary before you place an order for fire protection products. Fire protection products are non-returnable except in accordance with Condition 8 of the Terms and ConditionsWe will not be held liable for any resulting damage to property, human life or monetary costs incurred due to the incorrect specification you have prepared or use of fire protection products caused by your negligence, including your failure to have contacted us to obtain the relevant advice/specification.

It is your responsibility to read the Product Data Sheets (available below) before you place an order and prior to application of the product. The content of this website is our best recommendation and is not advice. Coverage rates quoted are approximate, you agree that coverage depends on the condition of the substrate, surface absorption, texture and application method. We ALWAYS recommend a trial area is coated to ensure the product meets your requirements before use.

Technical Data

Typical Coverage (per coat)8 - 10m² per litre
Touch Dry2 Hours
ApplicationBrush, Roller, Spray
The figures stated above are approximate. Please ensure you refer to all datasheets for full application information.


Customer agrees that before placing an Order, Customer has read and understood the most up to date Product Data Sheet for the Product. Where we have access to the Product Data Sheet from the manufacturer, we will either provide a copy on request, or include a link to the Product Data Sheet available on the manufacturer’s website. Customer further agrees that we have no liability for any errors or omissions contained within the Product Data Sheets. For more information, please see our Terms & Conditions of Sale.


questions Tania De la Porte on 07/01/2019

Hi please can you tell me if this paint can be used on varnished wood stairs?


If coating over existing paint or varnish apply Envirograf HWAP/WB Primer first. Please note that this coating system cannot be used on any areas of the stairs that are trafficked, i.e. stair treads, hand rails, etc.

questions Martin carter on 28/11/2018

We have a specification requiring a ceiling to be painted with intumescent paint to be 1 hour fire protection for the room above what would you recomend


If the ceiling in question is timber, we would require the following details to enable us to provide you with a specification and quotation;

  • Size of surface area to protect

  • Type of timber (i.e. pine, mdf, plywood, etc.)

  • Type of Timber surface (i.e. T&G, feather edge / shiplap cladding, solid panels / sheets, etc.)

  • Timber thickness

  • Clear or coloured coating required?

  • Bare or previously coated?

If the ceiling is plasterboard/lath & plaster then please instead provide the following;

  • Size of surface area to protect

  • Thickness of plasterboard/lath & plaster if known

  • Final colour required?

  • Bare or previously coated?

questions Paul houlichan on 14/10/2018

Hi I'm looking at updating my doors to 20 minute firedoors to comply with building regs for a loft conversion, Will the doors need to be stripped back to bare wood?,they are white gloss at the moment


Envirograf Door Upgrade Paint System Packs allow users to upgrade solid wood/timber doors to up to 30 mins' fire resistance. Existing paints do not need to be removed assuming they are not a previous fire protection coating and are sound and well adhered.

questions Elisabeth Moyes  on 09/09/2018

Can you paint a colour over the fireproof paint?


Envirograf state that once Envirograf HW01 White Intumescent Coating has been applied you can go over with a topcoat of your choice. They do however recommend you carry out a small test area first to ensure adhesion and compatibility.


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