This paint can only achieve class 0 and is not normally used on doors.

Assuming building control have requested the doors require fire protection the Thermoguard Timbercoat Door Upgrade System could be used if the doors meet the minium requirements.

Please send the information below to [email protected] if you require further assistance.

- Level of Fire Protection required? (i.e. 30min, 60min, etc.)
- Style of door? (i.e. panelled, ledge & brace, etc.)
- Solid or hollow core? - (please note we cannot provide anything to upgrade hollow doors)
- Door size? (height and width)
- Door thickness? (include thickness at thinnest point (i.e. panel))
- Number of doors to do?
- Clear or coloured finish required?
- Bare or previously painted?

No, this product can achieve Class 0 on suitable substrates, we have contacted you directly for more information.

Thank you for the enquiry, we have contacted you directly for more information.

The coverage rate to achieve the level of Fire Protection is 3.7m² per litre so the maximum surface area a 5lt can cover is 18.5m². This may take two or more coats dependant on application.

No. Assuming BS Class 1/0 or EN Class B surface spread of flame is the level of fire protection required we would instead recommend Thermoguard Timbercoat BS Class 1/0 & EN Class B System which can be used externally and is available in a Matt or Eggshell finish in a vast range of colour choices. This would allow both the fire protection and the aesthetic appearance to be achieved without having to use any 'Barn Paint'.

Zeroflame Fire Retardant Paint would not be suitable for this application, we would instead suggest, if your doors are suitable, seeking approval from your authority for the Thermoguard Timbercoat Door Upgrade System.

Zeroflame Fire Retardant Paint has been successfully tested on a variety of timber substrates to BS476, Classes 0 and 1 which achieves B-s2, d0 Classification. It can be over-coated with waterbased latex paints applied at a total dry film thickness not exceeding 35 microns and a Certificate is included in each container.

3.7m² per litre allows for the 2 coats required and yes it is suitable for application to previously painted OSB as long as the existing paint is sound and well adhering and the area in question is in an internal, dry environment.

Zeroflame Fire Retardant Paint achieves BS Class 1/0 Surface Spread of Flame protection, if 30 minute fire resistance is required we would instead recommend Thermoguard Timbercoat 30 & 60 Minute System.

Zeroflame Fire Retardant Paint achieves Class 1 and Class 0 on timber substrates so if this level of protection is what you require then it would be suitable. We do suggest priming pine with something like Zinsser B-I-N first to prevent bleeding/staining through of knots, etc.

The total DFT (Dry Film Thickness) of Zeroflame Fire Retardant Paint after the required 2 coats should be 180 microns. To give some perspective to this, a normal single coat of emulsion would usually be in the region of 20-30 microns DFT on average.

We're assuming you mean concrete wall, so instead to achieve BS Class 1/0 and EN Class B surface spread of flame protection we would recommend Thermoguard Wallcoat BS Class 1/0 & EN Class B System.

In the previous answered question you are referring to we have assumed that the customer wants to upgrade normal, non-fire rated MDF to EN Class B-s2, d0. In your instance, if your MDF already has the level of fire protection you require and you simply wish to decorate and maintain the level of fire protection we would instead recommend Thermoguard Wallcoat Smoke & Flame Retardant Topcoat. This product is available in a Matt or Eggshell finish in nearly all RAL and BS colours and can be applied directly to the prepared MDF without the need of a primer and does not require anything to be applied afterwards.

After use of the product certification can be applied for by completing a short online application HERE.

Each tin has a certificate application form on the back of the label. To receive a 'Certificate of Supply' for your purchase, after application, simply complete the form on the label and send to the stated address and a certificate will be returned to you within 7-10 working days.

We recommend Zinsser Bulls Eye 1-2-3 or similar as a primer on MDF before applying 2 coats of Zeroflame Fire Retardant Paint undiluted at 7.4m² per litre/per coat.

Class O would be an unusual request for steel, we would suggest checking with your building control as usually they would instead require 30min, 60min, etc.

If this turns out to be the case then we would recommend Zeroflame Aquasteel WB+.

No, 5lt is the only pack size available in this product.

No, Zeroflame Fire Retardant Paint can be applied directly to bare timber.

Assuming Euroclass B (BS Class 0) Fire Propagation and Spread of Flame fire protection is required, for decking we would recommend Zeroflame Fire Retardant Treatment be applied to the bare timber. Waterborne stains or varnishes can be used over Zeroflame Fire Retardant Treatment as long as they are compatible, non-flammable and will dry. We always recommend the timber is allowed sufficient time to dry after application and to try a small sample area first to ensure the stain does not react with the Zeroflame Fire Retardant Treatment and will dry out.

Zeroflame Fire Retardant Paint achieves Class 1 and Class 0 on interior timber surfaces, if this is the level of protection you require then it can be overcoated with waterborne latex paints, applied at a total dry film thickness not exceeding 35 microns. After use, certification can be applied for by completing and returning the Certificate Application Form included on the back of the label on the tin.

The data sheet for Zeroflame Fire Retardant Paint states 'When overcoating use only waterborne latex paints, applied at a total dry film thickness not exceeding 35 microns.' This is because it was a latex based paint that was used in the fire test. Zinsser Perma-White Interior is an example of a latex based paint. However, in some countries what we call an acrylic is called a latex. Zeroflame recommend a waterborne paint, preferably latex based is used.

Zeroflame Fire Retardant Paint can be used on MDF to achieve Class 0 spread of flame. It is recommended that Zinsser Bulls Eye 1-2-3 is used as a primer to ensure good adhesion before applying the Zeroflame Fire Retardant Paint.

Yes as long as the surface to be painted is first thoroughly abraded to provide a suitable key for the Zeroflame Fire Retardant Paint to adhere to.

The fire protection provided by Zeroflame Fire Retardant Paint remains effective indefinitely as long as the coating is not damaged. Any areas of damage, wear, etc. can be remedied by the re-application of Zeroflame Fire Retardant Paint to the affected area to restore protection.

No, Zeroflame Fire Retardant Paint upgrades timber surfaces to European Standard EN13501-1:2007, achieving B-s1d0 Classification which is a superior equivalent to our British Standard 476 Classes 0 & 1. If you require 30 or 60min protection please contact our Technical Department on 0113 2455450 for suitable systems.