Fire protection for timber and wood surfaces
Choose the correct Thermoguard system for timber, plywood, MDF, cladding, beams, panelling and decorative woodwork. Timber fire protection depends on whether you need a painted finish, clear varnish finish or penetrating treatment.
Start with the finish you want to achieve
Thermoguard timber systems are designed around the surface type, fire rating and final appearance. Use the routes below to choose between painted protection, clear varnish protection or penetrating fire retardant fluids.
Painted Timber 30/60 System
For timber, plywood, MDF and wood-derived boards where a coloured decorative finish is acceptable.
Timbercoat Intumescent 30/60 Basecoat
£135.00 – £445.00Primary intumescent basecoat for timber systems requiring 30 or 60 minute fire resistance.
- For wood, plywood and MDF
- 30 or 60 minute systems
- Use with SFR Dualcoat
Smoke & Flame Retardant SFR Dualcoat
£70.00 – £230.00Decorative smoke and flame retardant topcoat used to complete Timbercoat systems.
- Matt and eggshell finishes
- Available in 4,000+ colours
- Interior and selected exterior use
Clear Fire Varnish System
For timber projects where the natural grain and appearance of wood needs to remain visible.
Fire Varnish Basecoat
£120.00 – £410.00Clear intumescent basecoat for timber and wood-derived surfaces where the natural finish must remain visible.
- Preserves timber appearance
- For interior and exterior systems
- Use with correct varnish overcoat
Fire Retardant Varnish Overcoat Interior
£70.00 – £230.00Decorative fire retardant varnish overcoat for internal timber surfaces.
- Interior timber finish
- Matt, satin and gloss options
- Clear and woodstain finishes
Fire Varnish Overcoat Exterior
£80.00 – £260.00Durable protective fire varnish overcoat for exterior timber and exposed wood features.
- Exterior timber protection
- UV and weather resistance
- Clear and woodstain finishes
Penetrating Timber Fluid System
For porous bare timber where a clear penetrating treatment is preferred instead of a surface coating.
Thermoproof Interior Fluid
£95.00 – £295.00Clear penetrating fire retardant treatment for porous internal timber and softwood.
- For bare porous internal timber
- Retains natural appearance
- Brush, roller or spray application
Thermoproof Exterior Fluid
£110.00 – £325.00Weather-resistant penetrating fire retardant treatment for bare exterior timber.
- For cladding, fencing and decking
- Deep penetrating treatment
- Clear natural appearance
Not sure which timber system you need?
Timber fire protection depends on the substrate, finish required, exposure conditions and fire rating. Ask Thermoguard before ordering if you are unsure.
