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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 10 products

  4.9/5.0  (2349)
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
  4.8/5.0  (227)
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 2.5L, 5L
  5.0/5.0  (97)
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
  5.0/5.0  (70)
A solvent-based wood preserver that actively protects interior and exterior wood against rot, decay and blue staining mould. Ideal as a pre-treatment on new, bare wood or stripped decking prior to applying a decking stain or oil.
  • 2 coats
  • 9m² per litre
  • 24 hrs drying time
More info
Available in 1L, 2.5L, 5L
  4.8/5.0  (56)
Quickly eliminate and protect against woodworm and wood boring insects. Ideal for all interior and exterior wood projects, including decking joists and boards.
  • 2 coats
  • 5m² per litre
  • 48 hrs drying time
More info
Available in 250ml, 1L, 2.5L, 5L
  5.0/5.0  (19)
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
  5.0/5.0  (3)
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
  4.2/5.0  (4)
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
  4.9/5.0  (4)
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
A solvent-based end grain preserver which deeply penetrates to protect against wood boring insects, wood rotting fungi and blue stain.
  • 2 coats
  • 0.18m² per litre
  • 24 hrs drying time
More info
Available in 1L
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