Decking Preservers

Protect garden decking from rot, mildew and parasites with an easy-to-apply wood preserver. Available in clear and coloured formulations, these decking preservers can be used to both colour and protect most types of softwood and hardwood decking prior to applying a decking oil.

To keep decked areas in tip top condition and free from mould algae and other biological growth, use a dedicated decking cleaner from time to time.

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Displaying 9 products

Barrettine Premier Wood Preserver
Barrettine Premier Wood Preserver
  4.9/5.0  (2891)
£15.79 - £38.95
A solvent-based wood preservative that offers microporous protection against wood rot, fungi, decay and mould. Available in clear and coloured formulations suitable for wooden decking and other garden wood.
  • 2-3 coats
  • 6m² per litre
  • 12 hrs drying time
More info
Available in 1L, 5L
Ronseal Total Wood Preservative
Ronseal Total Wood Preservative
  4.9/5.0  (301)
£35.25
A complete, solvent-based wood preservative from Ronseal. Can be used on new, bare wood or recently stripped decking to prevent rot, decay and woodworm prior to applying a decking treatment.
  • 3 coats
  • 8m² per litre
  • 24 hrs drying time
More info
Available in 5L
Barrettine Premier Universal Preserver
Barrettine Premier Universal Preserver
  4.9/5.0  (146)
£13.99 - £34.99
An all purpose, solvent-based wood preservative. Wax-free, low odour formulation protects against wood rot, fungi, decay and mould. Ideal for garden decking prior to applying a decking oil or stain.
  • 2-3 coats
  • 6m² per litre
  • 12 hrs drying time
More info
Available in 1L, 5L
Cuprinol Wood Preserver Clear
Cuprinol Wood Preserver Clear
  4.7/5.0  (16)
£14.46 - £45.13
A clear, water-based wood preservative treatment for interior and exterior timber. Prevents insect attack, rot and decay.
  • 2 coats
  • 5m² per litre
  • 16 hrs drying time
More info
Available in 1L, 5L
Osmo End Grain Sealing Wax thumb
Osmo End Grain Sealing Wax (5735)
  5.0/5.0  (30)
£20.31
Protects sawn ends of decking boards by sealing and protecting them from the elements. Helps to prevent wood swelling and shrinkage.
  • 2 coats
  • 5m² per litre
  • 4 hrs drying time
More info
Available in 375ml
Ronseal Decking End Grain Protector
Ronseal Decking End Grain Protector
  5.0/5.0  (9)
£14.64
Waterproofs and protects cross cut end grains against water damage which can lead to rot and decay. Rainproof in 90 minutes.
  • 2 coats
  • 8m² per litre
  • 24 hrs drying time
More info
Available in 750ml
Barrettine End Grain Preserver
Barrettine End Grain Preserver
  5.0/5.0  (8)
£23.79
A solvent-based end grain preserver which deeply penetrates to protect against wood boring insects, wood rotting fungi and blue stain.
  • 2 coats
  • 5.5m² per litre
  • 24 hrs drying time
More info
Available in 1L
Ronseal Multi Purpose Wood Treatment
Ronseal Multi Purpose Wood Treatment
  4.9/5.0  (8)
£26.36 - £35.10
A clear, multi-purpose, solvent-based wood preservative that provides protection against wet rot, dry rot, woodworm and insect attack. Ideal for a variety of projects including garden decking.
  • 3 coats
  • 6m² per litre
  • 24 hrs drying time
More info
Available in 2.5L, 5L
Ronseal Woodworm Killer
Ronseal Woodworm Killer
  5.0/5.0  (7)
£20.80 - £33.46
An effective, water-based woodworm killer that penetrates deep into the wood to kill wood boring insects, their larvae and eggs. Suitable for a wide range of interior and exterior projects including decking joists and boards.
  • 3 coats
  • 10m² per litre
  • 2 hrs drying time
More info
Available in 1L, 5L

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