Top 7 Hardener For Wood Filler UK – Painting Supplies, Tools & Wall Treatments

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1. Transtools


Ronseal High Performance Wood Hardener Catalyst 5 x 30g

Transtools #ad - For use with wood fillers to speed up drying times and harden the filler. Size: 30g. Quantity: 5 packs.
BrandTranstools #ad
ManufacturerTranstools #ad



Polycell PLCWGRM75 Wood Fillers, 75g, Tube

POLYCELL #ad - Item package Length: 3. 0cm. Item package Width: 4. 0cm. Item package Height: 15. 0cm. Included components: n. A. Polyfilla for wood General Repairs Tube Medium 75g.
ManufacturerPolycell #ad
Part NumberPLCWGRM75
WarrantyAmazon 30-day right of return

3. Ultrimax Coatings


Can Be Used as Fiberglass and Metal Filler Hardener, 50g x 10 Packs Red, Car Body Filler Hardener for All Upol Hardener, Red or White

Ultrimax Coatings #ad - Use for fixing body panels: you can use this in combination with the body fillers listed above to fill holes or imperfections and leave a smooth hard finish.

Red or white hardener: body filler hardener for any metal or fiberglass application. Versatile uses: made to be used with our other various use fillers such as car fillers which you can find Upol Easy 1, Upol Extra, Upol Smooth 7, and Upol Fantastic 2. Red or white hardener at 50g per pack and there are x10 packs included. Easy to apply: our filler combined with this amazing hardener provides an easy application on any surface with metal filler spreaders. Long-lasting: our hardener allows for a smooth and very rigid finish creating a strong long-lasting surface.
BrandUltrimax Coatings #ad
ManufacturerU-Pol #ad
Weight0.05 kg (0.11 Pounds)

4. Tetrion


400 g, Tetrion Woodfil 2 Part Filler Natural/Pine

Tetrion #ad - Super smooth finish: Revolutionary vacuum process gives an air hole and pinhole-free, super smooth finish. Exterior use: Woodfil is waterproof and designed to be used outdoors. Perfect finish: woodfil can be sanded, carved and planed - allowing you to trim and smooth and excess for the perfect finish. Dry in 30 minutes: woodfil can be sanded after 20 minutes and over painted after 30 minutes. Sensational strength: woodfil's strength means it can be drilled and screwed into, allowing you to secure fixings after filling.
BrandTetrion #ad
ManufacturerTetrosyl Express Limited #ad
Height8.8 cm (3.46 Inches)
Length11.8 cm (4.65 Inches)
Width11.8 cm (4.65 Inches)
Part Number6617-1

5. Ronseal


Ronseal Smooth Finish Filler Exterior Multi Purpose Tube 330g

Ronseal #ad - Tough and durable. Reduced sanding. For use on damp or moisture prone surfaces. Super smooth finish. Weatherproof formula touch dry in 1-2 hours.
BrandRonseal #ad
ManufacturerRonseal #ad
Height19 cm (7.48 Inches)
Length5 cm (1.97 Inches)
Weight0.36 kg (0.79 Pounds)
Width5 cm (1.97 Inches)
Part Number36561
WarrantyAmazon 30-day right of return

6. Velcro


Araldite Repair Putty Extremely Hard Setting Filler Solution with High Temperature Resistance For Durable Bonding & Repairs 50g

Velcro #ad - Package dimensions : 2. 7 l x 11. 3 w x 17. 5 h centimetres. Ara-400015 good. Huntsman Advanced Materials.
BrandVelcro #ad
ManufacturerVelcro Ltd #ad
Height10.16 cm (4 Inches)
Length2.54 cm (1 Inches)
Weight0.07 kg (0.15 Pounds)
Width7.62 cm (3 Inches)
Part NumberARA-400015

7. Tetrion


Tetrion Powerfil 2K Filler 1kg

Tetrion #ad - Tetrion 2k filler is a super smooth multi-purpose 2 part filler, ideal for large and small jobs especially outdoor projects which require a heavy duty filler. Versatile formula will accept dry pigment to be colour matched to a surrounding area. Super Smooth. Suitable for metals, wood, stone and most plastics. Drillable, shapeable, spreadable, screwable, paintable, and easy to sand.
BrandTetrion #ad
ManufacturerTetrosyl Express Limited #ad
Height8.9 cm (3.5 Inches)
Length15.5 cm (6.1 Inches)
Weight1.19 kg (2.63 Pounds)
Width15.5 cm (6.1 Inches)
Part Number112045