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Woodcare, oils, stains & wood finishes

Woodcare & Wood Finishes

Protect, repair and transform timber with professional oils, stains, varnishes, fillers and opaque coatings for interior and exterior projects.

  • Full Osmo range
  • Osmo colours mixed in store
  • Interior and exterior systems
  • Professional technical advice
  • Mill Hill showroom
A decorator applying a clear finish to an oak floorInterior floorsProtect timber without losing its character. A traditional sash window being prepared for an exterior woodcare systemExterior joineryBuild a compatible preparation and finish system. A brush applying protective oil to exterior deckingDeckingChoose protection made for horizontal timber. A careful resin repair being made to damaged window timberTimber repairRepair defects before the coating system begins.

Understand the finish

Choose by behaviour, not only by colour.

These plain-English definitions are deliberately general. Final suitability, preparation and application must come from the current product label and technical data sheet.

Clear oils

Enhance the timber grain with a natural-looking penetrating finish.

Coloured oils

Add colour while retaining a visible relationship with the timber beneath.

Hardwax oils

Combine penetrating oils and waxes for repairable interior protection.

Wood stains

Colour and protect timber; transparency and protection vary by product.

Wood dyes

Colour the timber itself and normally require a compatible protective topcoat.

Varnishes

Build a protective film in a chosen sheen; suitability varies by product.

Polyurethane finishes

Film-forming protection where the selected product and substrate are compatible.

Exterior wood protection

Systems developed for weather exposure, timber movement and maintenance.

Opaque exterior coatings

Create a painted appearance while concealing most of the grain.

Decking treatments

Products specifically intended for horizontal exterior timber and foot traffic.

Preservatives

Preparation products used only where the manufacturer specifies them.

Knotting treatments

Isolate resinous knots to help reduce staining through compatible coatings.

Wood fillers

Repair holes and surface defects before sanding and finishing.

Two-part resin repairs

Multi-component repair systems for deeper or specialist timber repairs.

Cleaners and maintenance

Clean, refresh and maintain a compatible existing finish.

Strippers and preparation products

Remove failed coatings and prepare sound timber for the next system.

Osmo colour studio in Mill Hill

The full Osmo range, with colours mixed in store.

Designer Colours stocks the full Osmo range and operates the Osmo tinting system in our Mill Hill showroom.

Interior & exteriorClear, transparent & opaque routesStandard and tintable optionsSamples and colour advice

Build your Osmo route

Product and colour compatibility varies. We will confirm the exact base, finish and pack size before mixing.

Brand explorer

Compare the right system across every key brand.

Explore verified product uses, system stages and technical information across oils, varnishes, stains, exterior coatings and timber-repair systems.

Exterior wood systems

Protection is a sequence.

New, previously painted, stained, weathered, resinous or damaged timber can require different preparation. Never merge stages from unrelated manufacturer systems.

01

Assess

Identify timber, moisture, exposure, soundness and the existing finish.

02

Prepare

Clean, remove failed coatings, repair defects and treat knots only as specified.

03

Prime

Use the manufacturer’s preservative primer, primer or undercoat where required.

04

Finish

Apply the compatible translucent or opaque topcoat at the specified film build.

05

Maintain

Inspect exposed timber and recoat before the protective system fails.

Dulux Trade Weathershield

Weathershield products are system components. Bare wood can require Preservative Primer+, followed by the appropriate flexible or quick-dry undercoat and compatible satin or gloss topcoat. The correct route depends on the chosen system and current manufacturer specification.

Check the current Weathershield range ↗

Wood repair

Match the repair to the damage.

Surface filling, deep repairs, spliced timber and resin systems are not interchangeable. Extensive decay may require a joiner or specialist contractor.

Small imperfections

Fine or general-purpose fillers for sound timber, nail holes and shallow defects.

Deep repairs

Product-specific two-part fillers where the manufacturer allows deeper filling.

Rotten timber

Remove unsound material, assess remaining structure and follow a complete repair specification.

Resin systems

Timbabuild-style systems require compatible stabiliser or primer, resin, correct dispensing equipment, mixing nozzles and finishing tools.

Decking & garden timber

Horizontal timber needs a dedicated route.

Decking oils, stains, anti-slip finishes, cleaners and restorers have different maintenance needs. Do not use a vertical-only exterior finish on decking unless its manufacturer explicitly allows it.

Find decking products →

Interior timber

Balance appearance, durability and repairability.

Floors, furniture, doors, panelling and worktops place different demands on oils, hardwax oils, varnishes, lacquers, dyes, stains and opaque coatings.

Find interior products →

Finish comparison

Compare the broad behaviours.

Performance varies by product. Use this table to narrow the category, then check the product record and current technical data sheet.

Finish typeAppearanceGrain visibilityTypical usesProtectionMaintenance / repairTintable
Penetrating oilNatural to colouredUsually visibleFurniture, joinery; varies by productVaries by productOften locally maintainableVaries
Hardwax oilLow sheen to satinVisibleFloors, furniture, worktops where specifiedWear and spill resistance variesOften repairable in local areasProduct-specific
Varnish / polyurethaneFilm-formingVisible through clear filmsInterior timber; exterior only where specifiedVaries by resin and systemMay require sanding before recoatingProduct-specific
Translucent stainColoured, grain visibleVisibleExterior or interior by productVaries by system and exposureMaintenance before film failureOften
Opaque coatingPainted appearanceMostly concealedDoors, windows, cladding, furnitureSystem-dependentPrepare and recoat as specifiedOften
Wood dyeColours the timberVisibleDecorative interior timberNot normally a protective finish aloneDepends on compatible topcoatReady colours / mixing varies

Product finder

Filter verified technical records.

Results use structured product metadata rather than title keywords, helping you compare product purpose, compatibility and system stage.

42 products

Cuprinol

Cuprinol 5 Year Ducksback

Colours and weatherproofs rough-sawn sheds and fences with a non-drip formulation.

ExteriorExterior wood protectionOpaqueMatt
Technical details
Base technology
One-part, Water-based
Sheen
Matt
Suitable projects
Fences and sheds
Application
Brush
Coats
2–3 coats
Touch dry
2–4 hours; showerproof in 1 hour
Pack sizes
5L, 9L
System stage
Topcoat
Suitable substrates
Rough sawn timber

Source: Cuprinol · checked 2026-07-31

Cuprinol

Cuprinol Anti Slip Decking Stain

Adds colour and weather protection to suitable decking while providing an anti-slip surface treatment.

ExteriorDecking treatmentsWood stainsTranslucent
Technical details
Base technology
One-part, Water-based
Suitable projects
Decking
Application
Brush
Coats
2–3 coats
System stage
Topcoat
Suitable substrates
Softwood decking

Source: Cuprinol · checked 2026-07-31

Cuprinol

Cuprinol Garden Shades

Colours and protects sheds, fences, garden furniture and other suitable garden wood; not for decking.

ExteriorOpaque exterior coatingsOpaqueMatt
Technical details
Base technology
One-part, Water-based
Sheen
Matt
Suitable projects
Fences and sheds, Garden furniture
Application
Brush, Spray
Coats
Minimum 2 coats
Touch dry
1 hour under dry conditions
Colour options
91 colours published by Cuprinol; tinting base also available.
System stage
Topcoat
Suitable substrates
Garden timber, Rough sawn timber, Smooth planed timber

Source: Cuprinol · checked 2026-07-31

Cuprinol

Cuprinol Ultimate Furniture Oil

Nourishes and helps repel water on suitable hardwood garden furniture.

ExteriorClear oilsExterior wood protectionClearTranslucent
Technical details
Base technology
Oil and wax, One-part
Suitable projects
Garden furniture
Application
Brush, Cloth
Coats
2 light coats
Touch dry
24 hours
Pack sizes
1L
System stage
Topcoat
Suitable substrates
Exterior hardwood

Source: Cuprinol · checked 2026-07-31

Cuprinol

Cuprinol UV Guard Decking Oil

Nourishes and refreshes the natural colour of suitable decking timber.

ExteriorColoured oilsDecking treatmentsTranslucent
Technical details
Base technology
One-part, Water-based
Suitable projects
Decking
Application
Brush, Spray
Coats
2 coats by brush
Touch dry
Up to 6 hours
Pack sizes
2.5L, 5L
System stage
Topcoat
Suitable substrates
Softwood decking

Source: Cuprinol · checked 2026-07-31

Dulux Trade

Dulux Trade Diamond Glaze Varnish

Maximum-durability clear or coloured protection for interior floors and other high-wear wood surfaces.

InteriorPolyurethane finishesVarnishesClearTranslucentGlossSatin
Technical details
Base technology
One-part, Polyurethane, Water-based
Sheen
Gloss, Satin
Suitable projects
Doors and joinery, Floors, Furniture
Application
Brush, Roller
Coverage
12–25m²/L
Coats
2–3 coats
Touch dry
1–2 hours
Recoat
2–4 hours
Full cure
Light foot traffic after 24 hours
Pack sizes
1L, 2.5L
Colour options
Clear and Dulux Trade Woodcare colour-guide options; confirm the selected base and sheen before mixing.
Tinting
The official product selector includes colour options for this woodcare varnish.
System stage
Topcoat
Suitable substrates
Interior timber, Wooden floors

Source: Dulux Trade · checked 2026-07-31

Dulux Trade

Dulux Trade Polyurethane Varnish

A tough, high-build clear finish for interior doors, trim, furniture, joinery and floors.

InteriorPolyurethane finishesVarnishesClearGloss
Technical details
Base technology
One-part, Polyurethane, Solvent-based
Sheen
Gloss
Suitable projects
Doors and joinery, Floors, Furniture
Application
Brush
Coverage
Up to 16m²/L
Coats
Up to 3 coats
Touch dry
6–8 hours
Recoat
16–24 hours
Pack sizes
1L, 2.5L, 5L
Colour options
Clear
System stage
Topcoat
Suitable substrates
Interior timber, Wooden floors

Source: Dulux Trade · checked 2026-07-31

Dulux Trade

Dulux Trade Quick Dry Varnish

Fast-drying clear or coloured protection for interior joinery, furniture, doors and trim.

InteriorPolyurethane finishesVarnishesClearTranslucentGlossSatin
Technical details
Base technology
One-part, Polyurethane, Water-based
Sheen
Gloss, Satin
Suitable projects
Doors and joinery, Furniture
Application
Brush, Roller
Coverage
Up to 20m²/L
Coats
2–3 coats
Touch dry
30 minutes
Recoat
2 hours
Pack sizes
1L, 2.5L
Colour options
Clear and Dulux Trade colour-selector options; confirm the selected base and sheen before mixing.
Tinting
The official product selector includes colour options for this interior varnish.
System stage
Topcoat
Suitable substrates
Interior timber

Source: Dulux Trade · checked 2026-07-31

Dulux Trade

Dulux Trade Ultimate Woodstain

Long-lasting semi-transparent colour and weather protection for suitable exterior joinery and timber.

ExteriorExterior wood protectionWood stainsTranslucentLow sheen
Technical details
Base technology
One-part, Solvent-based
Sheen
Low sheen
Suitable projects
Cladding, Doors and joinery, Windows and exterior trim
Application
Brush
Coverage
Up to 20m²/L
Touch dry
4–6 hours
Recoat
16 hours
Pack sizes
1L, 2.5L, 5L
Colour options
Dulux Trade colour-selector options for semi-transparent exterior wood.
Tinting
Colour options are selected through the official Dulux Trade woodcare selector.
System stage
Topcoat
Suitable substrates
Exterior joinery, Exterior timber

Source: Dulux Trade · checked 2026-07-31

Dulux Trade

Dulux Trade Weathershield Exterior Flexible Undercoat

The flexible intermediate stage before the compatible solvent-based Weathershield high-gloss topcoat.

ExteriorPrimers and undercoatsOpaqueMatt
Technical details
Base technology
One-part, Solvent-based
Sheen
Matt
Suitable projects
Doors and joinery, Windows and exterior trim
Application
Brush
Coverage
Up to 16m²/L
System stage
Undercoat
Suitable substrates
Exterior joinery, Exterior timber

Source: Dulux Trade · checked 2026-07-31

Dulux Trade

Dulux Trade Weathershield Exterior High Gloss

A tough exterior gloss topcoat used after the correct preservative primer and flexible undercoat where required.

ExteriorOpaque exterior coatingsOpaqueHigh gloss
Technical details
Base technology
One-part, Solvent-based
Sheen
High gloss
Suitable projects
Doors and joinery, Windows and exterior trim
Application
Brush
Coverage
Up to 18m²/L
System stage
Topcoat
Suitable substrates
Exterior joinery, Exterior timber

Source: Dulux Trade · checked 2026-07-31

Dulux Trade

Dulux Trade Weathershield Preservative Primer + (BP)

Penetrates and seals bare exterior wood before the compatible Weathershield undercoat and topcoat.

ExteriorPreservativesPrimers and undercoatsClearMatt
Technical details
Base technology
One-part, Water-based
Sheen
Matt
Suitable projects
Doors and joinery, Windows and exterior trim
Application
Brush
Coverage
Up to 5m²/L
Coats
2 coats
Touch dry
16–24 hours
Pack sizes
1L, 2.5L
System stage
Preservative primer
Suitable substrates
Bare exterior timber

Source: Dulux Trade · checked 2026-07-31

Dulux Trade

Dulux Trade Weathershield Quick Dry Exterior Flexible Undercoat

Provides the flexible intermediate stage before the compatible quick-dry exterior topcoat.

ExteriorPrimers and undercoatsOpaqueMatt
Technical details
Base technology
One-part, Water-based
Sheen
Matt
Suitable projects
Doors and joinery, Windows and exterior trim
Application
Brush
System stage
Undercoat
Suitable substrates
Exterior joinery, Exterior timber

Source: Dulux Trade · checked 2026-07-31

Dulux Trade

Dulux Trade Weathershield Quick Dry Exterior High Gloss

Quick-drying high-gloss protection for exterior timber after the specified preparation and undercoat.

ExteriorOpaque exterior coatingsOpaqueHigh gloss
Technical details
Base technology
One-part, Water-based
Sheen
High gloss
Suitable projects
Doors and joinery, Windows and exterior trim
Application
Brush
Colour options
Tintable; confirm exterior colour and base with the showroom.
System stage
Topcoat
Suitable substrates
Exterior joinery, Exterior timber

Source: Dulux Trade · checked 2026-07-31

Dulux Trade

Dulux Trade Weathershield Quick Dry Exterior Satin

A mid-sheen exterior wood topcoat used with the appropriate Weathershield preparation and undercoat stages.

ExteriorOpaque exterior coatingsOpaqueSatin
Technical details
Base technology
Water-based
Sheen
Satin
Suitable projects
Doors and joinery, Windows and exterior trim
Application
Brush
Coverage
Up to 20m²/L
Touch dry
1–2 hours
Recoat
2–4 hours
System stage
Topcoat
Suitable substrates
Exterior joinery, Exterior timber

Source: Dulux Trade · checked 2026-07-31

Osmo

Osmo Natural Oil Woodstain

Coloured exterior protection that keeps the timber grain visible.

ExteriorExterior wood protectionWood stainsTranslucentMattSatin
Technical details
Base technology
Oil-based
Sheen
Matt, Satin
Suitable projects
Cladding, Fences and sheds, Garden furniture
Application
Brush
Coverage
26m²/L with one coat
Coats
2 coats
Touch dry
First coat 4–6 hours; second coat 12 hours
Pack sizes
5ml, 125ml, 750ml, 2.5L
Colour options
Pre-mixed Satin colours plus Satin and Matt colours through the Osmo Tinting System
Tinting
Matt colours are available through selected Osmo tinting systems.
System stage
Topcoat
Suitable substrates
Exterior timber

Source: Osmo UK · checked 2026-07-31

Osmo

Osmo Polyx®-Oil Original

Hardwearing protection that enhances the natural character of interior timber.

InteriorHardwax oilsClearTranslucentGlossMattSatinSemi-matt
Technical details
Base technology
Oil and wax
Sheen
Gloss, Matt, Satin, Semi-matt
Suitable projects
Floors, Furniture
Application
Brush, Pad, Roller
Pack sizes
5ml, 125ml, 375ml, 750ml, 2.5L, 10L
Colour options
Four clear sheens plus selected transparent colours
Tinting
Selected transparent colours can be mixed in store through the Osmo tinting system.
System stage
Topcoat
Suitable substrates
Interior timber

Source: Osmo UK · checked 2026-07-31

Osmo

Osmo Polyx®-Oil Rapid

Fast-drying, hardwearing protection for interior floors and furniture where two coats in one day may be required.

InteriorHardwax oilsClearTranslucentMattSatin
Technical details
Base technology
Oil and wax
Sheen
Matt, Satin
Suitable projects
Floors, Furniture
Application
Brush, Pad, Roller
Coverage
Up to 30m²/L with one coat
Coats
2 coats
Touch dry
4–5 hours for clear finishes; approximately 8 hours for colours
Pack sizes
125ml, 750ml, 2.5L, 10L
Colour options
3232 Clear Satin, 3262 Clear Matt and tintable transparent Satin or Matt colours
Tinting
Transparent colours can be mixed in Satin or Matt through selected Osmo tinting systems.
System stage
Topcoat
Suitable substrates
Interior timber, Wooden floors
Maintenance
One maintenance coat when signs of wear become visible.

Source: Osmo UK · checked 2026-07-31

Osmo

Osmo TopOil

Durable, water-repellent protection for wooden work surfaces and furniture.

InteriorHardwax oilsClearTranslucentMattSatin
Technical details
Base technology
Oil and wax
Sheen
Matt, Satin
Suitable projects
Furniture, Kitchens and bathrooms, Worktops
Application
Brush, Pad
Coverage
Up to 30m²/L as published by Osmo UK
Colour options
Clear Satin, Clear Matt and selected transparent Satin or Matt colours
System stage
Topcoat
Suitable substrates
Interior timber, Wooden worktops

Source: Osmo UK · checked 2026-07-31

Osmo

Osmo UV-Protection Oil

Helps delay greying while retaining the appearance of vertical exterior timber.

ExteriorExterior wood protectionClearTranslucentSatin
Technical details
Base technology
Oil-based
Sheen
Satin
Suitable projects
Cladding, Doors and joinery, Fences and sheds, Windows and exterior trim
Application
Brush, Roller
Coverage
18m²/L with one coat
Coats
2 coats
Touch dry
12 hours
Tinting
Selected transparent colours can be mixed in store through the Osmo tinting system.
System stage
Topcoat
Suitable substrates
Vertical exterior timber
Maintenance
One maintenance coat when signs of wear become visible.

Source: Osmo UK · checked 2026-07-31

Osmo

Osmo UV-Protection Oil Extra

UV- and weather-resistant protection for vertical exterior timber, with active ingredients protecting the coating against mould, algae and fungal attack.

ExteriorExterior wood protectionClearTranslucentMattSatin
Technical details
Base technology
Oil-based
Sheen
Matt, Satin
Suitable projects
Cladding, Doors and joinery, Fences and sheds, Windows and exterior trim
Application
Brush, Roller
Coverage
18m²/L with one coat
Coats
2 coats
Touch dry
Approximately 12 hours
Pack sizes
5ml, 125ml, 750ml, 2.5L, 10L
Colour options
420 Clear Satin, 1420 Clear Matt and tintable transparent Satin or Matt colours
Tinting
Sixteen transparent colours can be mixed in Satin or Matt through selected Osmo tinting systems.
System stage
Topcoat
Suitable substrates
Vertical exterior timber
Maintenance
Inspect at least annually and apply one thin maintenance coat when required.

Source: Osmo UK · checked 2026-07-31

Ronseal

Ronseal Decking Cleaner & Reviver

Cleans and revives decking before a compatible oil, stain or maintenance treatment.

ExteriorCleaners and maintenanceStrippers and preparation productsClear
Technical details
Base technology
One-part, Water-based
Suitable projects
Decking
Application
Stiff brush
Coverage
Up to 5m²/L
Touch dry
Works in about 15 minutes
Pack sizes
5L
System stage
Maintenance, Preparation
Suitable substrates
Hardwood decking, Softwood decking

Source: Ronseal · checked 2026-07-31

Ronseal

Ronseal Decking Oil

Nourishes decking and provides a natural-looking lightly tinted finish.

ExteriorColoured oilsDecking treatmentsTranslucent
Technical details
Base technology
Oil-based, One-part
Suitable projects
Decking
Application
Brush
Touch dry
2 hours
Recoat
6 hours
System stage
Topcoat
Suitable substrates
Hardwood decking, Softwood decking

Source: Ronseal · checked 2026-07-31

Ronseal

Ronseal High Performance Wood Filler

Repairs holes and damaged areas before sanding and finishing.

ExteriorInteriorTwo-part resin repairsWood fillersOpaque
Technical details
Base technology
Two-part
Suitable projects
Wood repairs
Application
Filling knife
Touch dry
30 minutes as published by Ronseal
Pack sizes
275g, 550g, 1kg
System stage
Repair
Suitable substrates
Exterior timber, Interior timber

Source: Ronseal · checked 2026-07-31

Ronseal

Ronseal Interior Varnish

Protects suitable interior furniture, skirting and other bare or previously varnished wood.

InteriorVarnishesClearTranslucent
Technical details
Base technology
One-part, Water-based
Suitable projects
Doors and joinery, Furniture
Application
Brush
Touch dry
20 minutes
System stage
Topcoat
Suitable substrates
Interior timber

Source: Ronseal · checked 2026-07-31

Ronseal

Ronseal Multi Purpose Wood Filler

Fills small holes and defects in sound timber before sanding and finishing.

ExteriorInteriorWood fillersOpaque
Technical details
Base technology
One-part, Water-based
Suitable projects
Wood repairs
Application
Filling knife
Coats
Up to 5mm per layer
Touch dry
2 hours
Pack sizes
100g and 325g tubes; 250g, 465g and 930g tubs; 310ml cartridge
System stage
Repair
Suitable substrates
Exterior timber, Interior timber

Source: Ronseal · checked 2026-07-31

Rustins

Rustins Acrylic Wood Filler

Fills shallow nail holes, dents and cracks in sound timber before finishing.

ExteriorInteriorWood fillersOpaque
Technical details
Base technology
Acrylic, One-part, Water-based
Suitable projects
Wood repairs
Application
Filling knife
Touch dry
Approximately 2 hours
Pack sizes
250ml
System stage
Repair
Suitable substrates
Exterior timber, Interior timber

Source: Rustins · checked 2026-07-31

Rustins

Rustins Danish Oil

A penetrating clear oil finish that highlights timber grain.

InteriorClear oilsClear
Technical details
Base technology
Oil-based
Suitable projects
Doors and joinery, Furniture
Application
Brush, Cloth
System stage
Topcoat
Suitable substrates
Interior timber

Source: Rustins · checked 2026-07-31

Rustins

Rustins Professional Wood Filler

A two-part repair material for sound timber, including edge repairs where the manufacturer permits.

ExteriorInteriorTwo-part resin repairsWood fillersOpaque
Technical details
Base technology
Two-part
Suitable projects
Wood repairs
Application
Filling knife
Touch dry
Hardens in approximately 30 minutes
Pack sizes
250g, 500g, 1kg
System stage
Repair
Suitable substrates
Exterior timber, Interior timber

Source: Rustins · checked 2026-07-31

Rustins

Rustins Quick Dry Polyurethane Varnish

A clear or coloured film-forming finish for suitable interior and exterior wood.

ExteriorInteriorPolyurethane finishesVarnishesClearTranslucentGlossMatt
Technical details
Base technology
One-part, Polyurethane, Water-based
Sheen
Gloss, Matt, Satin
Suitable projects
Doors and joinery, Furniture, Garden furniture, Windows and exterior trim
Application
Brush
Coverage
12–15m²/L per coat
Coats
3 coats
Touch dry
30 minutes
Recoat
Approximately 2 hours
Pack sizes
250ml, 500ml, 1L, 2.5L, 5L
System stage
Topcoat
Suitable substrates
Exterior timber, Interior timber

Source: Rustins · checked 2026-07-31

Rustins

Rustins Wood Dye

Colours bare timber before a compatible Rustins varnish, oil or other protective finish.

InteriorWood dyesTranslucent
Technical details
Base technology
One-part
Suitable projects
Doors and joinery, Furniture
Application
Brush, Cloth
System stage
Colouring stage
Suitable substrates
Bare interior timber

Source: Rustins · checked 2026-07-31

Tikkurila

Tikkurila Ultra Classic

Weather-resistant opaque colour for compatible exterior timber systems.

ExteriorOpaque exterior coatingsOpaqueSatinSemi-matt
Technical details
Base technology
One-part, Water-based
Sheen
Satin, Semi-matt
Suitable projects
Cladding, Doors and joinery, Garden furniture, Windows and exterior trim
Application
Brush, Roller, Spray
System stage
Topcoat
Suitable substrates
Exterior timber

Source: Tikkurila UK · checked 2026-07-31

Tikkurila

Tikkurila Ultra Primer

Primes new or previously painted exterior timber within a compatible Tikkurila system.

ExteriorPrimers and undercoatsOpaqueMatt
Technical details
Base technology
One-part, Water-based
Sheen
Matt
Suitable projects
Cladding, Doors and joinery, Garden furniture, Windows and exterior trim
Application
Brush, Roller, Spray
Colour options
Tintable to selected topcoat colours.
System stage
Primer
Suitable substrates
Exterior timber

Source: Tikkurila UK · checked 2026-07-31

Tikkurila

Tikkurila Unica Akva

A durable opaque topcoat for compatible timber and joinery projects.

ExteriorInteriorOpaque exterior coatingsOpaqueSemi-gloss
Technical details
Base technology
Acrylic, One-part, Water-based
Sheen
Semi-gloss
Suitable projects
Doors and joinery, Furniture, Garden furniture, Windows and exterior trim
Application
Brush, Roller
Colour options
Tintable to a wide colour range.
System stage
Topcoat
Suitable substrates
Exterior timber, Interior timber

Source: Tikkurila UK · checked 2026-07-31

Tikkurila

Tikkurila Valtti Opaque

A flexible, moisture-regulating opaque finish for new or previously coated exterior timber.

ExteriorOpaque exterior coatingsOpaqueSemi-matt
Technical details
Base technology
Water-based
Sheen
Semi-matt
Suitable projects
Cladding, Doors and joinery, Fences and sheds, Garden furniture, Windows and exterior trim
Application
Brush, Roller, Spray
Coverage
Smooth wood 8–10m²/L; sawn wood 4–8m²/L per coat
Touch dry
Normally 1 hour
Recoat
Normally 2 hours
Colour options
Tintable through the appropriate Tikkurila exterior colour system.
System stage
Topcoat
Suitable substrates
Exterior timber

Source: Tikkurila UK · checked 2026-07-31

Tikkurila

Tikkurila Valtti Plus Primer

Prepares and protects bare exterior timber before the selected compatible topcoat.

ExteriorPreservativesPrimers and undercoatsClear
Technical details
Base technology
Oil-based, One-part
Suitable projects
Cladding, Fences and sheds, Garden furniture
Application
Brush
System stage
Priming oil
Suitable substrates
Bare exterior timber

Source: Tikkurila UK · checked 2026-07-31

Tikkurila

Tikkurila Valtti Plus Terrace Oil

Protects and colours exterior decking, steps and furniture where the product specification allows.

ExteriorColoured oilsDecking treatmentsTranslucent
Technical details
Base technology
One-part, Plant-oil emulsion, Water-based
Suitable projects
Decking, Garden furniture
Application
Brush
System stage
Topcoat
Suitable substrates
Decking, Exterior timber

Source: Tikkurila UK · checked 2026-07-31

Timbabuild

Timbabuild 1:1 Extrusion Tool

Dispenses compatible 1:1 Timbabuild repair resin cartridges evenly.

ExteriorInteriorTwo-part resin repairsNot applicable
Technical details
Base technology
System accessory
Suitable projects
Wood repairs
Application
Extrusion tool
System stage
Application equipment
Suitable substrates
Repair system accessory

Source: Chemfix / Timbabuild · checked 2026-07-31

Timbabuild

Timbabuild EHB60 Epoxy High Build

Rebuilds larger prepared timber defects within the compatible Timbabuild repair system.

ExteriorInteriorTwo-part resin repairsOpaque
Technical details
Base technology
Epoxy, Two-part
Suitable projects
Wood repairs
Application
Extrusion tool, Filling knife, Mixing nozzle
Pack sizes
400ml cartridge
System stage
Repair resin
Suitable substrates
Damaged timber, Decay-affected timber

Source: Chemfix / Timbabuild · checked 2026-07-31

Timbabuild

Timbabuild ERC10 Epoxy Rapid Cure

Repairs smaller damaged areas and bonds compatible splice repairs after the required preparation.

ExteriorInteriorTwo-part resin repairsOpaque
Technical details
Base technology
Epoxy, Two-part
Suitable projects
Wood repairs
Application
Extrusion tool, Filling knife, Mixing nozzle
System stage
Repair resin
Suitable substrates
Damaged timber, Decay-affected timber

Source: Chemfix / Timbabuild · checked 2026-07-31

Timbabuild

Timbabuild EWS Epoxy Wood Stabiliser

Strengthens prepared weakened wood fibres before the compatible Timbabuild repair resin.

ExteriorInteriorTwo-part resin repairsClear
Technical details
Base technology
Epoxy, Two-part
Suitable projects
Wood repairs
Application
Brush
System stage
Primer, Stabiliser
Suitable substrates
Damaged timber, Decay-affected timber

Source: Chemfix / Timbabuild · checked 2026-07-31

Timbabuild

Timbabuild Finish

Smooths pinholes and surface imperfections after sanding a compatible Timbabuild repair.

ExteriorInteriorTwo-part resin repairsWood fillersOpaque
Technical details
Base technology
Two-part
Suitable projects
Wood repairs
Application
Filling knife
Touch dry
Ready to sand in about 30 minutes at 20°C
System stage
Finishing filler
Suitable substrates
Repaired timber

Source: Chemfix / Timbabuild · checked 2026-07-31

Preparation guidance

The finish can only perform on a suitable surface.

Check moisture and timber condition; clean and degrease; remove failed coatings; sand and remove dust; treat knots, end grain or biological growth only where the chosen specification requires it; and always complete a test area.

Not sure which wood finish you need?

Bring the project to the showroom.

Bring a photograph, timber sample, the product previously used, location and exposure details, and approximate measurements. We can help you build a compatible system.

Visit16–18 Hale Lane, Mill Hill, London NW7 3NXMon–Fri 7am–5pm · Sat 8.30am–5pm · Sun closed