Updated: 16 Jul 2025

10 Best wood hardeners of 2025

Updated: 16 Jul 2025

#1

Best Choice

Abatron WoodEpox Kit - 2 Gallon - 2-Part Structural Epoxy Adhesive and Wood Hardener - Wood Filler Putty

9.8

Abatron

Read more

Main highlights

REPAIR DAMAGED WOOD: Fills and rebuilds missing sections to help restore windows, doors, trim, columns, posts, and other elements. Permanently repairs damage caused by weather, moisture, age, and pests.

GREENGUARD CERTIFIED: This product contains almost no VOCs (volatile organic compounds) and does not have water or solvents. It has a low odor and is a clean, safe wood repair solution for both the user and the environment.

EASY TO USE: Our wood epoxy has a 20-30 minute pot life (working time) and can be mixed and applied by hand. It can be painted, stained, drilled, carved, sawed, nailed, planed, sanded, and routed, just like natural wood.
#2

Best Value

Abatron LiquidWood Epoxy Wood Consolidant, 2 Quart Kit, Part A & B

9.6

Abatron

Read more

Main highlights

REPAIR DAMAGED WOOD: Penetrates and restores the strength of worn and deteriorated wood. This wood epoxy works on windows, doors, trim, columns, posts, and other wood elements. Permanently repairs damage caused by weather and poor design.

GREENGUARD CERTIFIED: This product contains almost no VOCs (volatile organic compounds) and does not have water or solvents. It has a low odor and is a clean, safe wood repair soluiton for both the user and the environment.

FOR INDOOR AND OUTDOOR USE: Use for both exterior and interior repairs. When used in conjunction with our WoodEpox wood replacement compound, this kit makes permanent, strong, structural, and shrink-free repairs.
Curious about how we select the top products for you? Explore How It Works

How do we rank
Our AI-powered platform ranks products using multiple weighted factors from millions of products and user reviews across the web, providing the most valuable and real data. Higher scores rank first.
#3

PC Products 164440 PC-Petrifier Water-Based Wood Hardener, 16oz, Milky White

9.4

PC Products

Read more

Main highlights

Water-based wood hardener to restore and strengthen soft or rotted wood in non-structural areas such as window sills, frames, trim, and decorative beams

Continuous service temperature range from 33 to 200 degrees F

Can also be used to prepare old wood for priming and painting, and helps seal wood from future damage
#4

Everbuild LJUN05 Triple Action (Kills, Protects and Preserves) Wood Treatment, Clear, 5 Litre

9.2

Everbuild

Read more

Main highlights

Suitable for interior and exterior use on items like sheds, garages, fencing, roof beams, garden furniture, floorboards, window frames, doors and more.

Shake well before use. Apply by brush, spray or dipping. Apply a minimum of two coats if brushing or spraying. The second coat should be applied after the first coat has dried. Pay particular attention to thoroughly soaking the end grain. Where possible, and for maximum protection, dip the end grains of the timber for a minimum of 3 minutes.

Fast drying, non-flammable, solvent free formula based on micro-fine active technology with added fungicides, algaecides and Permethrin for long lasting protection.
#5

PC Products 84441 PC-Petrifier Water-Based Wood Hardener, 8oz, Milky White

8.9

PC Products

Read more

Main highlights

Water-based wood hardener to restore and strengthen soft or rotted wood in non-structural areas such as window sills, frames, trim, and decorative beams

Continuous service temperature range from 33 to 200 degrees F

Can also be used to prepare old wood for priming and painting, and helps seal wood from future damage
#6

Gorilla All Purpose Wood Filler, 16 Ounce Tub, Natural (Pack of 1)

8.6

Gorilla

Read more

Main highlights

Use indoors or outdoors: This wood filler putty is water resistant and does not shrink or crack, making it perfect for indoor or outdoor* projects and repairs

Natural finish: Our unique wood putty formula is easy to spread, allowing for a smooth natural finish

Gorilla tough: Gorilla Wood Filler is the go-to product for strong water resistant repairs on cracks, gouges and holes
#7

Elmer's E855 Carpenter's Wood Filler, 3.25-Ounce Tube, White

8.4

Elmer's

Read more

Main highlights

Sands easily to a smooth finish

Resists shrinking and cracking

Paintable and sandable
#8

Nanoman Timber Wood Water Liquids and Stain Penetrating Sealer 250m

8.1

Nanoman

Read more

Main highlights

Water repellent (hydrophobic) and Dirt repellent (oleophobic).

The water rolls-off the surface forming a Self-Cleaning Effect. Retains the quality of Surface.

Retains the quality of Surface. Resistance against: Dirt, Grime etc
#9

V-Tech Wood Filler, Natural, 50 g

7.8

VTech

Read more

Main highlights

Mixed wax filler for finished furniture repair

Fills small to medium holes, cracks and scratches without sanding or stripping the finish

All colors are intermixable
#10

PC Products 350614 PC-Rot Terminator Epoxy Wood Hardener, Two-Part 3.25oz in Two Bottles, Amber

7.7

PC Products

Read more

Main highlights

Two-part epoxy wood consolidant hardens rotted wood and protects against future water and wear damage

Low viscosity liquid for filling and sealing gaps deep in the wood grain

Can be used in indoor and outdoor applications, with an application temperature range of 35 to 115 degrees F and a service temperature range of -20 to +200 degrees F