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Zeroflame Fire Retardant Paint is a matt white, single-pack waterborne coating for wood, and other wood derivatives that achieves Class 1 and Class 0.
Zeroflame Fire Retardant Paint is a waterborne fire protection coating for interior use. This coating has been successfully tested on a variety of timber substrates to BS 476, Classes 0 and 1, which achieves B-s2, d0 classification. It is suitable for use over sound existing coatings and can be over-coated with waterborne, non-flammable paints where a decorative finish is required. This single-pack, waterborne product is extremely simple to use.
Zeroflame Fire Retardant Paint can be applied to reduce the ignitability of soft and hard wood and other wood derivatives, i.e. plywood, chipboard, fibre insulation board, hard board, also on veneering ≥ 12mm thickness. Insulates against heat, checks fire, prevents propagation of fire and diminishes flue-gas density and flue-gas temperature. For interior use only, not suitable for surfaces exposed to mechanical stress.
Please click here for Zeroflame's fire retardant paint for steel surfaces or here for Zeroflame Fire Retardant Treatment (a clear solution that soaks into bare wood to leave the appearance of the timber virtually unchanged).
To receive a 'Certificate of Supply' for your purchase, after application of the product, simply complete the form HERE and a certificate will be returned to you within 7-10 working days.
Zeroflame Fire Retardant Paint has been tested to EN 13501-1:2007 on timber and composite wood substrates, European classes B-s1, d" and B-s2, d0 being obtained. Building Regulations classify C-s3, d2 as being equivalent to Class 1, and B-s3, d2 equivalent to Class 0. Zeroflame Fire Retardant Paint exceeds both these classifications on timber surfaces when applied according to the manufacturer's recommendations.
Appearance When Dry: | Matt White |
Mass Density: | Approx. 1.29 g/cm³ |
Solids by Weight: | Approx. 65% (according to EN ISO 3251) |
VOC Content: | Max. 0g/litre (2010 EU limit: 140g/litre) |
Shelf Life: | 12 months from delivery in cool and dry storage conditions and in original unopened containers |
Stir Zeroflame Fire Retardant Paint thoroughly until free of lumps. Substrates must be dry (moisture content must not exceed 15%), free from dust, wax, grease, dirt, resin, etc. Existing coatings with poor adhesion must be completely removed. Coatings containing lime, chalk or lithopone should be removed.
Wet film thickness (WFT: 270 microns; Dry film thickness (DFT): 170 microns.
Object temperature not below +10°C, to max. +40°C, relative humidity max. 70%.
Application temperature shall be at least ≥ 3°C above dew point. In case relative humidity exceeds 80%, special measures must be taken to prevent condensation forming when applying. If the moisture content of the substrate exceeds 15%, the coating is unlikely to dry and blooming may occur. Moisture content should be at, or near that anticipated when in use.
At approx. 20°C temperature and 65% relative humidity approx. 6 hours. Lower temperatures and higher relative humidity may extend drying times. Allow 48 hours before overcoating.
Immediately after use, clean the equipment with water.
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 Conditions and should be applied only by an individual with the necessary expertise and experience. 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.
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.
![]() | Question:
I have a exposed wooden lintel that needs to be fire proofed. It has been recommended to use intumescent paint. Would this product be suitable? |
Answer:
Providing a level of fire resistance no greater than Class 0/B is required, yes this product would be suitable subject to approval. | |
![]() | Question:
Can this paint be applied over melamine? I have a hatch box that is timber but covered with melamine. Can we apply this product? |
Answer:
No this is not suitable for laminated or plastic faced timber. It is suitable for application to soft and hard woods, other wood derivatives, i.e. plywood, chipboard, fibre insulation board, hard board, also on veneering ≥ 12mm thickness. | |
![]() | Question:
I’ve stripped interior doors down to wood. Do you recommend priming them before I coat with Zero Flame? Thanks |
Answer:
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.) | |
![]() | Question:
Would this give us 30min protection between levels if painted with one coat on ceiling thanks in advance |
Answer:
No, this product can achieve Class 0 on suitable substrates, we have contacted you directly for more information. | |
![]() | Question:
our builder used standard MDF18mm, this was painted with normal emulsion, building control wanted a FR paint, so we painted it with Crown Timinox 2 coats, after advice from Crown, however they did not mention we had to use their Timinox Basecoat first. Can we over paint what we have with the Zeroflame Fr paint to acheive the correct fire rating or do we have to use an undercoat first ? we have 300m2 to re-do. |
Answer:
Thank you for the enquiry, we have contacted you directly for more information. | |
![]() | Question:
Zeroflame Fire Retardant Paint Are the 2 coats you talk about in the answers to some of your FAQ’s required to achieve the actual fire resistance or is it 2 coats merely to cover the previous surface? Thank you. |
Answer:
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. | |
![]() | Question:
Can this product be used externally? And then painted over with Bedec barn paint |
Answer:
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'. | |
![]() | Question:
I need to upgrade my firedoor from FD30 to FD60, 60 mins fire resistant. Can this paint achieve the requirement? If yes, will you send the certificate to proof. Thank you |
Answer:
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. | |
![]() | Question:
Hi, Can this paint be used over previously painted timber and then coated with a standard paint ( to achieve required finish colour) and still achieve Class 0 spread of flame? Also how can we certify to Building Control that it has been done? Many Thanks Brian Elbourn |
Answer:
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. | |
![]() | Question:
Hi, is 3.7m2 per litre what is required for a single coat, or will 1 litre cover 2 coats to 3.7 square meters? Also, is this suitable to apply on top of OSB3 that has already been painted with Matt emulsion? I require class 1 surface spread of flame protection. Many thanks, Kenny |
Answer:
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. | |
![]() | Question: I have a wooden store cupboard situated to the side of a staircase which is designated as a potential escape route in the event of fire. Would this product give me 30 minute protection as specified by our local fire service if painted inside and out side the cupboard? |
Answer: 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. | |
![]() | Question: I have a loft space which is fitted out with 50mm tongue and groove pine cladding. It’s not painted, but I would like to fire proof it then paint in my chosen colour. The Zero Flame paint seems to fit what I need. Can I ask your advice before purchasing. Yours Francis |
Answer: 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. | |
![]() | Question: Is the paint very thick? I.e. if applied over a woodgrain would the grain still be visible beneath the layer of zeroflame and a top coat of coloured emulsion? |
Answer: 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. | |
![]() | Question: I want to know if this product can be used in concert wall or cement surface |
Answer: 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. | |
![]() | Question: Hi, My fire officer wants confirmation that an FR paint like Zeroflame when applied to FR Euroclass B MDF 18mm, will maintain the substrates Euroclass B rating. Can you confirm this will be the case is i use the 2 coat on 1 coat Zinsser mentioned in your 04/09/19 question answer to Brian? |
Answer: 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. | |
![]() | Question: Hi Dose the paint come with label with a code to prove the item has been painted for fire safety checks. thanks |
Answer: 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. | |
![]() | Question: How many coats on bare mdf for zero flame paints |
Answer: 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. | |
![]() | Question: I have a circular hollow steel column 2.5m high. Building control insist I paint it with a paint to class 0 fire rating. Is there a paint you can recommend. |
Answer: 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+. | |
![]() | Question: Do you sell a 1 litre tub? |
Answer: No, 5lt is the only pack size available in this product. | |
![]() | Question: I want to use Zeroflame on a new internal timber roof. I plan to use Zinsser BIN for the wood knots. Does the rest of the timber need to be primed or can Zeroflame be applied directly to the bare wood? |
Answer: No, Zeroflame Fire Retardant Paint can be applied directly to bare timber. | |
![]() | Question: i need a clear fire resistant paint for my decking its bare wood at the moment which do you recomend and can i put a wood stain over it thanks |
Answer: 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. | |
![]() | Question: Hi, I'd like to use Zeroflame fire retardant paint so I can apply a decorative paint colour finish to some interior timber cladding. Will this meet building regs? Can you issue a certificate of supply for Zeroflame paints like you do for Thermoguard Timbercoat? Many thanks. |
Answer: 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. | |
![]() | Question: Hi, When using a decorative paint over the top of Zeroflame you mention using a 'latex' paint. Do you mean any water based paint / emulsion or something more specific? Many thanks, Paula |
Answer: 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. | |
![]() | Question: Is this product suitable for mdf ? |
Answer: 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. | |
![]() | Question: can this product be used on glossed painted surfaces? |
Answer: 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. | |
![]() | Question: Once applied, what is the life span of Zeroflame Fire Retardant Paint before needing to be applied again to ensure BS 476 parts 6 and 7 are maintained? |
Answer: 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. | |
![]() | Question: Is Zeroflame Fire Retardant Paint half hour fire resistant? |
Answer: 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. | |
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• These colour samples are to be used for guidance only.
• Product contained within is generic to provide a close representation to your chosen colour.
• Should not be used to carry out any painting project, this is for colour selection purposes only and does not remove the need for you to ensure the correct product is chosen and tested for your application once a colour has been decided on.
• It is not a sample of the product you intend to purchase/use and cannot be used to test anything other than colour appearance.
• Notwithstanding any other provision of our conditions of sale, you agree and understand that many factors affect the colour of a painted product, including lighting, sheen level, method of application, batches variances number of coats and substrate surface.
• We cannot therefore promise that the colour of the product you ultimately purchase will exactly match the colour of this colour sample.
• Once you have selected a colour, you must purchase the smallest amount of the product you intend to use in your chosen colour and apply to a small, inconspicuous test area to be sure that it meets your expectations.
• Leave the product for 24 hours and then only buy more paint and/or apply more paint if you are completely happy with the results on the test area.
• We cannot be liable to you for any loss or damage if you have not complied with this process.
• Notwithstanding any other provision of our conditions of sale, you agree and understand that many factors affect the colour of a painted product, including lighting, sheen level, method of application and product surface.
• We cannot therefore promise that the colour of the product you paint with the Kolorbond paint will exactly match the colour of the item you send to us.
• You must therefore purchase the smallest Kolorbond paint pot available first and then apply the paint to a small, and where possible hidden, test area of your product to be sure that it meets your expectations.
• Leave the product for 24 hours and then only buy more paint and/or apply more paint to your product if you are completely happy with the results on the test area.
• We cannot be liable to you for any loss or damage if you have not complied with this process.