Boracol 5Rh - Surface Biocide & Wood Preservative

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Please note: This is a 5% ready diluted product that is for trade professionals only. Due to chemical regulations from the Health and Safety Executive Boracol 5Rh is now only available to professional / commercial users. This is now in the same category as the Boracol 10. You are considered to be a professional user if you are using Boracol as part of your job or business and have received appropriate information, instruction and training.

It is intended for the following uses:

  • As a surface biocide to eradicate and inhibit organic growth (algae, mould, mosses and lichen).
  • As a surface biocide and treatment to eradicate Dry rot (Serpula lacrymans) in masonry and sub sites.
  • As a wood preservative treatment against woodworm (Anobium punctatum) and other wood boring insects.
  • As a wood preservative treatment against wood rotting fungi.

Boracol 5RH is:

  • Low VOC (Volatile Organic Content)
  • Practically odourless and non-staining
  • Non flammable
  • Equally effective on masonry and timber

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All about Boracol 5Rh - Surface Biocide & Wood Preservative

For preserving wood and treating pests.



Please note: This product that is for trade professionals only.



Due to new EU regulations we can no longer sell this product to the general public; only to remedial contractors, builders and other qualified people.



Boracol 5RH is a 5% ready diluted product that is intended for the following uses:



As a surface biocide to eradicate and inhibit organic growth (algae, mould, mosses and lichen).

As a surface biocide and treatment to eradicate Dry rot (Serpula lacrymans) in masonry and sub sites.

As a wood preservative treatment against woodworm (Anobium punctatum) and other wood boring insects.

As a wood preservative treatment against wood rotting fungi.



Boracol 5RH is:



Low VOC (Volatile Organic Content)

Practically odourless and non-staining

Non flammable

Equally effective on masonry and timber

Simple application



1. Wash down to remove all dirt and coatings . Allow the surface to dry out until just damp.

2. Apply one coat of Boracol by brush, roller or spray, til refusal ( that is visibly wet on the surface but not running off ). Avoid any run off to other areas.

3. Allow the surface to dry out until just damp.

4. Apply a second coat of Boracol til refusal

5. Coverages tend to vary but usage rates are normally 4 to 5 sq m per litre



Do the work on a dry day. If it rains too much the Boracol will be washed away. It doesn’t matter if it’s drizzling the next day . The surface being just damp will help the Boracol penetrate into the wood. Please note there is not always a positive result immediately.

By Brush: 1 litre to 2 – 4 m2

By Coarse Spray: 1 litre to 2 – 4 m2

By Irrigation: 2.5 litres / m2 for 230 mm (9″) brickwork and where two applications may be required.

Disodium octaborate tetrahydrate, 1,2 Ethandiol, Benzyl-C8-18-alkyldimethyl, Chlorides (Quaternary ammonium compounds) – All in aqueous medium

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