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Fire Retardant Varnish
Fire retardant varnishes are clear protective coatings developed to enhance fire safety without obscuring the visual appeal of timber surfaces. They form part of a passive fire protection approach that slows the surface ignition and supports compliance with reaction to fire standards. Specialist fire-retardant paints offer a decorative solution with similar fire safety benefits. To perform effectively, varnishes must be applied according to manufacturer instructions and environmental guidelines. Their purpose is to reduce flame spread and heat release, not to provide structural fire resistance. For clear or tinted coatings that respond to heat during fire conditions, intumescent paints offer an alternative where enhanced protection is required.
Thermoguard Fire Varnish BS Class 1/0 & EN Class B System
A clear fire retardant varnish for interior and exterior timber surfaces. Important! For use on timber with a minimum thickness of 9mm. Woodstains are only available on the following shipping options: Express: 1-3 Working Days Delivery (Thermoguard DS) Economy: 7-10 Working Days Nationwide Delivery See further below for...
Thermoguard Fire Varnish 30 & 60 Minute System
A clear intumescent varnish (with 9 woodstain shades available) for interior and exterior timber surfaces. Each pack contains the correct amount of basecoat (Fire Varnish Basecoat) and topcoat (Thermoguard Fire Varnish Overcoat (Interior) or Thermoguard Fire Varnish Overcoat (Exterior)) to ensure protection is achieved inline with the...
Thermoguard Fire Varnish Door Upgrade System
An intumescent varnish system to upgrade solid doors to 20 or 30min Fire Resistance: Available as a convenient pack containing the required basecoat, topcoat and mastic to protect 3 doors in a clear or woodstain coloured Matt or Satin finish Thermoguard UK will issue a Fire Certificate for Authority approved projects following completion...
Bollom Intulac Ultra BS Class 0 Kit
Clear, fire-retardant varnish system that provides sufficient intumescent basecoat (Bollom Intulac Ultra Basecoat) and topcoat (Bollom Intulac Ultra Topcoat) to protect bare or previously varnished* interior timber surfaces** to BS Class 0. *Maximum of four, single, well-adhered coats. **Not suitable for surfaces exposed to mechanical stress...
Intercoat Irufire Real B-S2 D0 PUR IC130
A two-pack clear acrylic-aliphatic coating in 4,000+ colours. Developed to finish wood surfaces classified as D-s2,d0 according to UNE-EN 13238 and must accomplish the UNE-EN 13823:2012 norm of Reaction to fire (SBI test) and later classification according UNE-EN 13501-2007 + A1:2010 (Euroclasses). Part of the Irufire range For...
Intercoat Irufire B-s1 d0 PUR Primer IC120
A varnishing process with 4,000+ colour options comprising a basecoat (Irufire B-s1, d0 PUR Primer) and a topcoat (Irufire B-s1, d0 PUR Topcoat). Both products are bicomponent based on acrylic resin. Formulated for finishing wood surfaces classified as B-s1, d0 which have to comply with the UNE-EN-13.823:2002 standard for reaction to fire...
Intercoat Irufire Catalyst IC212
Catalyst for use with various industrial Intercoat wood products. Not to be used as a standalone item. Product is the catalyst for the Intercoat Irufire range. For professional use only.
Intercoat Irufire B-s1 d0 Topcoat IC123
A varnishing process in 4,000+ satin colours comprising a basecoat (Irufire B-s1, d0 PUR Primer) and a topcoat (Irufire B-s1, d0 PUR Topcoat), bicomponent based on acrylic resin. Formulated for finishing wood surfaces classified as B-s1, d0 which have to comply with the UNE-EN-13.823:2002 standard for reaction to fire and classification...
Thermoguard Fire Varnish Overcoat (Exterior)
A clear/wood stain-coloured decorative lacquer for use over Thermoguard Fire Varnish Basecoat for exterior surfaces. Each 20m2 pack of Thermoguard Fire Varnish Exterior Overcoat is sufficient to apply the required 2 coats to 20m2 of surface area. Important! Restricted to professional users. Not for sale to, or use by the general...
Thermoguard Fire Varnish Overcoat (Interior)
For use in combination with and over Thermoguard Fire Varnish Basecoat in internal applications - available in clear and a choice of woodstain colours. For timber/timber derived substrates Clear, UV and wear-resistant finish Certificate of Supply available when used over Thermoguard Fire Varnish Basecoat Important! Woodstains are...
Bollom Intulac Ultra Basecoat
We apologise for the current supply issue affecting some Bollom products. Whilst we await a resolution from the manufacturer, please see below some suggestions for alternatives. If you’re looking for a system for; Timber see: Thermoguard Fire Varnish BS Class 1/0 & EN Class B System Doors see: Thermoguard Fire Varnish Door Upgrade...
Sherwin-Williams Pyroplast Wood T
A single component water-based fire protective coating system for use on most interior soft and hardwoods, including plywood, chipboard, fibre insulation board, hardboard and veneering.. Pyroplast Wood T emphasizes the interior design of timber structures in keeping an attractive option to architects, builders and end-users. Insulates against...
Sherwin-Williams Pyroplast Wood Top T
A single component water-based topcoat for use with Sherwin-Williams Pyroplast Wood T for fire protection coatings on most soft and hardwoods, including plywood, chipboard, fibre insulation board, hardboard and veneering, . Pyroplast Wood T is a single component water-based fire protective coating system for use on interior wood surfaces....
Thermoguard Fire Varnish Basecoat
A clear intumescent varnish that is the first coat of a 2 coat system (3 coats externally) for the decorative Fire Protection of timber and timber derived substrates to BS Class 1, Class 0 and EN Class B s2 d0. See Thermoguard Fire Varnish Overcoat (Interior) or Thermoguard Fire Varnish Overcoat (Exterior) to complete the system. Complete...
Bollom Intulac Ultra Topcoat
We apologise for the current supply issue affecting some Bollom products. Whilst we await a resolution from the manufacturer, please see below some suggestions for alternatives. If you’re looking for a system for; Timber see: Thermoguard Fire Varnish BS Class 1/0 & EN Class B System Doors see: Thermoguard Fire Varnish Door Upgrade...
Tikkurila Akvilac WF 10
Single-pack water-borne lacquer used together with Fontefire WF Clear provides the B-s1, d0 classification. Chemical-resistant top lacquer for fire-retardant interior lacquer systems. Extends the usage area of fire-retardant lacquer by providing resistance to the most used household chemicals. Levels evenly and smoothly on top of...
Tikkurila Fontefire WF Clear
A water-borne intumescent coating with highest possible fire retardant properties on interior and exterior wood. When subjected to heat, Fontefire WF Clear expands and forms an insulating layer of foam. Fontefire WF Clear has fire reaction class B-s1, d0, according to the standard EN 13501-1:2007+A1:2009, the highest possible for wood...
Thermoguard Safewood Satinwood Anti-Viral Varnish
A decorative and protective clear satin finish applied over Safewood systems and Thermoguard Fire Varnish Basecoat. For the Matt version see Mattwood Varnish. Unless protected with a treatment to kill enveloped coronaviruses, flu and bacteria, hand contact with doors, frames, window sills and other wood create a potential infection risk....
Thermoguard Safewood Mattwood Anti-Viral Varnish
A decorative and protective clear matt finish applied over Safewood systems and Thermoguard Fire Varnish Basecoat. For the Satin version see Satinwood Anti-Viral Varnish. Unless protected with a treatment to kill enveloped coronaviruses, flu and bacteria, hand contact with doors, frames, window sills and other wood create a potential...
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Fire Retardant Varnishes for Wood and Timber
Fire retardant varnishes are clear or wood-stained coatings that help reduce the spread of flames and heat across timber and wood-based surfaces. Designed to enhance fire safety without covering up the natural grain of the material, these coatings are ideal for preserving the look of exposed beams, MDF, veneer, panelling, and other visible timber finishes. Available for both internal and external environments, these products play a key role in passive fire protection by improving the reaction to fire performance of linings and finishes across public, commercial, and domestic settings.
Suitable for upgrading new or existing woodwork, fire retardant varnishes work as part of an overall safety strategy that may include door upgrade kits. When correctly applied to a compatible substrate, they reduce flame spread and heat release. Where decorative finishes are a priority - such as in heritage properties or high-end interiors - these coatings offer a discreet but vital safety measure.
Fire Retardant Varnish FAQs
Do fire retardant varnishes need certification?
Yes. Products should be supported by fire test evidence, ideally with third-party certification. This confirms that the varnish has been tested under standard conditions and performs as claimed. Certification may also involve assessment and factory audits to verify consistency in manufacturing. Many authorities and insurance providers require third-party certification as part of compliance with building regulations and construction tenders. Without it, approval for use in regulated environments may be refused.