H4 Wood

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H4 Wood

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Product Information

H4 Wood is a colourless, waterproof protection for wood which allows it to age naturally and turn grey without damage from water, pollution, moss and dirt. Perfect if you like the natural look of wood as it turns grey but are anxious to prevent damage such as splitting and cracking which will happen if wood is left untreated.

It is well suited to our Serenity range which is made from Western Red Cedar. For all Oak products, we recommend Deks Olje D2 feeding oil.

This product is orinigally manufactured through Owatrol Direct.

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Directions For Use

Surface Preparation

Surfaces must first be clean, dry and free of dirt, grease, grime, mildew and previous coatings. Treat any mildew with a 50/50 bleach/water solution. Scrub the solution on to the surface and allow it to stand for 10- 15 minutes before rinsing thoroughly.

After cleaning and/or stripping, allow the wood to dry for 2-3 good drying days or until it has reached a moisture content of 18% or less before applying the finish.

H4 Wood can only be applied to bare wood surfaces.  ALL other finishes MUST be completely and thoroughly removed. If necessary sand surface after cleaning and/or stripping (80 grit paper).

Weathered wood surfaces (untreated)

To keep the grey look of the wood clean with a light detergent. To restore colour of wood clean with undiluted Net-Trol to remove all loose wood fibres, dirt and other surface contamination.

Application of H4 Wood

Apply a generous, even application of H4 Wood and allow it to dry for 24 hours.


Clean the surface with Net-Trol and allow the surface adequate time to dry. Apply H4 Wood as directed above. To maintain optimum protection re-apply H4 Wood at the following intervals:

  • Vertical surfaces once every 12 months
  • Horizontal surfaces once every 6 months

Clean Up

Clean all tools and equipment with soap and water immediately after use.

Things to Remember

  • Cover everything you do not wish to coat, including plants and shrubs.
  • Do not apply in direct sunlight or to hot surfaces.
  • Surfaces in direct sunlight can reach temperatures of 60°C even when the air temperature is 30°C.
  • Do not apply if cold and/or wet weather is expected within 24 hours.
  • Do not thin.
  • Always work the entire length of a board or piece of wood to a logical break.
  • Never stop application in the middle of a board or piece of wood.
  • After spray application, always back-brush or back-roll to improve penetration and uniformity of coverage.
  • Ensure wood is dry – max 18% moisture content.
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