Envirograf HW01/F 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).
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 'Downloads data sheet' section below.
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).For 30/60 minutes Fire Protection BS476: Part 22, 1987, EN/13501 & SBI S.b1.d0: according to the type/thickness/density of timber apply two coats at 8m2 per litre per coat. Each coat dries in 45 minutes. (125 micron wet film thickness & 75 micron dry film thickness per coat)
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 Terms and Conditions. We 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.
Classification B/S1/d0 of European Standard EN13501 Parts EN13823 (2002) single burn test (SBI) and EN11925-2 (2002) ignitability. Timber doors tested to BS476 Part 22 (1987) giving 30 & 60 minutes fire protection and insulation.
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
Data Files and Downloads
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