BEST DEALS THIS WEEK

10 Best Wood Hardener - May 2026

19M consumers helped this year.

Last Updated: 27-05-2026

1

Ronseal Wet Rot Wood Hardener 500ml

Ronseal Wet Rot Wood Hardener 500ml

Ronseal

9.8

9.8

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2

Rustins Wood Hardener for Rotted Wood 500ml - Repairs Rotted Timber | Fast-Acting Formula Reinforces Soft, Damaged Areas Before Filling or Painting

Rustins Wood Hardener for Rotted Wood 500ml - Repairs Rotted Timber | Fast-Acting Formula Reinforces Soft, Damaged Areas Before Filling or Painting

RUSTINS

9.6

9.6

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3

Rustins Wood Hardener for Rotted Wood 250ml -– Repairs Rotted Timber | Fast-Acting Formula Reinforces Soft, Damaged Areas Before Filling or Painting

Rustins Wood Hardener for Rotted Wood 250ml -– Repairs Rotted Timber | Fast-Acting Formula Reinforces Soft, Damaged Areas Before Filling or Painting

RUSTINS

9.5

9.5

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4

Ronseal Wet Rot Wood Hardener 250ml

Ronseal Wet Rot Wood Hardener 250ml

Ronseal

9.2

9.2

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5

Siramico Hardener for Rotted Wood | 500ml | Clear Deep Penetrating Wood Hardener | Suitable for All Timber Types

Siramico Hardener for Rotted Wood | 500ml | Clear Deep Penetrating Wood Hardener | Suitable for All Timber Types

SIRAMICO COATINGS

9.1

9.1

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6

Toupret Wood Hardener - Deep Penetrating Stabiliser & Sealer - Strengthens Rotten, Flaky or Soft Before Filler - Interior & Exterior Use - 1L

Toupret Wood Hardener - Deep Penetrating Stabiliser & Sealer - Strengthens Rotten, Flaky or Soft Before Filler - Interior & Exterior Use - 1L

Toupret

8.8

8.8

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7

Everbuild Triple Action (Kills, Protects and Preserves) Wood Treatment – Lasting Protection From Damage Caused By Wood Rot, Fungi And Wood Boring Insects – Clear – 1 Litre

Everbuild Triple Action (Kills, Protects and Preserves) Wood Treatment – Lasting Protection From Damage Caused By Wood Rot, Fungi And Wood Boring Insects – Clear – 1 Litre

Everbuild

8.6

8.6

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8

Everbuild WOODHARD2 LumberIrwin Wet Rot Wood Hardener 250ml

Everbuild WOODHARD2 LumberIrwin Wet Rot Wood Hardener 250ml

Everbuild

8.4

8.4

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9

Everbuild Multipurpose Wood Filler – Suitable for Indoor and Outdoor Use – Sandable – Light Stainable – 250ml

Everbuild Multipurpose Wood Filler – Suitable for Indoor and Outdoor Use – Sandable – Light Stainable – 250ml

Sika

8.2

8.2

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10

Tetrion Wood Hardener 500ml - TWH500

Tetrion Wood Hardener 500ml - TWH500

Tetrion

8.1

8.1

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