Yacht and Boat Deck Treatment

Teak Decks, Teak Fittings, Sails, Covers, Awnings, Ropes and Halyards

Property Repair Systems - 01626 331351 - where you can speak to real people

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Clean deck, sails and covers - cabin soles, teak gratings, hand rails, teak inlays, ropes, sheets and halyards.

How to eradicate, then prevent Mould, Slime and Rot - powerful, but gentle cleaning effect.

Over 25 years of success with Boracol Treatments.

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Boracol 10RH - as recommended by Hallberg Rassy Yachts.

Specified in their Owners Yacht Maintenance Manual.

(See this Link to view the product at Hallberg Rassey - click here)

Hallberg Rassey Yacht decks - treated with Boracol

Major UK Boat Yard Testimonial

"For some years we have had many enquiries for Boracol 10RH from yacht owners all over the world, and especially from Hallberg Rassy yacht owners with teak decks on their boats! They have told us that Hallberg Rassy have recommended Boracol 10RH for controlling teak decks for moulds and algae growth! Those who have used it say that it works splendidly and a treatment lasts for 1-2 years!

It is obvious that all kind of boats could take advantage of a treatment with Boracol 10RH, if they have the usual winter lay up problem with algae and moulds! By the Spring it is all too obvious who did not treat their decks - they are filthy - and difficult to restore. I recommend Boracol 5 and 10RH to my Owners"


From Yachting and Boating World Forum - September 2012

Comment for Subscriber

"I wish they had done this 12 years ago!

Once you have treated cockpit or deck with Boracol you will be surprised by how little you have to clean the wood. Almost all the "dirt" is actually fungal."

Reply from another Subscriber

"I'd agree with that, having used Boracol (or equivalent) for years. It's just so easy, too, no need to spend ages on my knees rubbing the deck. Also great for sprayhoods and other canvas."

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Treat Decks and Ropes, Sails and Covers - twice a year treatment for long term beauty - Winter and Spring

1. Wash to remove all dirt and coatings (some manufacturers do not recommend pressure washing - check first)

2. Allow the surface to dry out until just damp

3. Apply one coat of Boracol 10RH (or two coats of Boracol 5RH) by brush or spray, to refusal (that is, visibly wet on the surface, but not running off)

4. Allow the surface to dry out until just damp again

5. Apply a second coat of Boracol 10RH (or third coat of Boracol 5RH) to refusal

6. If using using Boracol 5RH repeat the process, applying a total of 4 coats.

7. Find a treatment window of at least 2 dry days, before exposure to rainwater is likely, to ensure retention of the Boracol

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Conditions for best Boracol treatment of boat and yacht parts, including sails and covers

- avoid periods of rapid drying (strong sunlight, warm winds) to prevent the product drying only onto the top of the deck teak surface

- treat at the beginning and the end of your Summer Season, to inhibit mould & slime growth during the winter months

- avoid trapping fresh water on the deck during the Winter lay-up: fresh water promotes growth in the wood fibres

- avoid overcoating with non-breathing coatings, (oils) as these can trap moisture in the timber

- do not sand the surfaces (this will spoil the anti skid properties)

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Treat Yacht Sails, Covers, Ropes - halyards, sheets and warps
  • wash with fresh water and detergent to remove surface dirt and grime

  • treat with Boracol 10RH or Boracol 5RH by brush, spray or immersion

  • find a treatment window of at least 2 dry days, before exposure to rainwater is likely, to ensure retention of the Boracol

    Click to see Boracol, check prices and Order

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Click to see Boracol, check prices and Order

Click here for Data Sheet

Yacht and Boat Treatment Product - Boracol 10RH or 5RH - Surface Treatment

A Boron based clear liquid, designed to treat timber by brush, spray or roller. It avoids the hazard problems of many liquid preservatives by using only water and glycol as carriers. It can also be used in most situations to replace other less ‘friendly’ contact type insecticides, including Permethrin.


5 litres or 25 litres, ready to use, water and Glycol based, clear, non-staining, quick drying treatment to prevent Mould Growth, Staining and Spotting, Slime and all kinds of rot and insect attack. It is a natural Fire Suppressant, inhibiting surface spread of flame.

Boracol 10RH - for Professional, Trade Use

Boracol 5RH - for Professional, Amateur and DIY Use


Boracols do not restore colour or remove natural oxidation 'silvering'. If you want to return the timber to its original colour you will need to sand thoroughly and then carry out the Boracol treatment. Boracols are not UV Light resistant, so if you want to keep the original colour you will need to apply a wood coating AFTER the Boracol has thoroughly dried.

Click here for Data Sheet

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Boracol Benefits:

* prevents slime, mould and rot

* non-flammable (actually retards surface flame spread)

* does not evaporate (stays in the timber or masonry, unlike some other chemicals)

* low mammalian toxicity

* world-wide safety reputation

* kills insects and rots

Boracol Technical Support

All 'Boron Ultra' products are supported technically with Method Statements, Specifications and a comprehensive Training Program. Please ask for our Training Brochure. Contact us at: 01626 331351 or help@propertyrepairsystems.co.uk


Use Wood Preservatives and Biocides safely. Always read the label and product information Data Sheet before use.

Wear the correct safety equipment and keep unprotected people and animals out of the treated area for the statutory period given on the label, or until surfaces are dry, which ever is the longer.

All products have some hazards and the COSHH Regulations (Control of Substances Hazardous to Health) apply to ALL building repair and construction products that we sell, even Cement.

If in doubt consult us for free technical help. Take care not to contaminate soil, waterways or the environment with the product or the waste and packaging. These can be returned to us for disposal.

Avoid using any type of chemical in your home if any of the following are likely to come into contact with the spray or treated surfaces: animals, fish, birds, babies, young children, asthmatics, pregnant women or those vulnerable due to ill health.

On-going European reclassification of Pesticides has resulted in our Borax product having to carry a warning label (for the first time since 1890) on all products used at over 5.5% BAE concentration. This label is a warning that if you eat the product and then became pregnant you might give birth to a slightly underweight baby, or suffer a slight reduction in the size of your testes. The tests, on rats, required them to eat the human equivalent of 18 level teaspoons full of Borate (DOT) per day for 2 years. We believe that you are unlikely to do this and the lack of any other negative evidence, despite the severe European Review process, suggests that this product is very safe indeed.

Woodworm treatment products do not need to even reach the 5% concentration level to be effective, so are not subject to any additional labelling, because of their unblemished safety record.

See our Technical section for more information.

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Click to see Boracol, check prices and Order

Click here for Data Sheet


Decking Structure Supports and Frames - structural timbers in wooden boats - how to treat and prevent Insect and Rot Attack.


1. BORON ULTRA GEL 20 or GEL 5 - Surface Applied Gel

A 20% or 5% active clear Gel ideal for end grain and bearing area treatment of beams and joists. Also useful for medium to heavy active infestations of insect attack and treatment of new timbers for use in vulnerable areas (e.g. cut ends, bolt and screw holes). Use as a lubricant and preservative where nails, screws, bolts or plates come into contact with wood.

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2. BORON ULTRA 78 - Deep Injected Treatment

A unique SUPER STRENGTH paste using a special blend of technical grade glycols as carriers. It can be injected into timber, with the advantage of supplying a highly concentrated mobile preservative which will spread even at low moisture content levels. Simple to apply with a standard skeleton gun; more effective to use because of the higher available level of active content, which allows the use of smaller (8mm, rather than 10mm) and/or fewer drill holes. Use in conjunction with Boron Rods.

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3. BORON ULTRA RODS - Solid Rods for Embedding

These solid rods of HIGH STRENGTH Boron 173 are used to protect timbers which are constantly or occasionally damp: external joinery, wall plates, embedded beam ends, posts etc. They can also be used in conjunction with BORON ULTRA 78 paste, to act as a long term reservoir (Standard Sizes - 8mm x 24mm and 8mm x 65mm).

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Benefits of Borate based products:

* no odour

* non-flammable (actually retards flame spread)

* does not evaporate (stays in the timber or masonry, unlike some other chemicals)

* low mammalian toxicity

* world-wide safety reputation

* kills insects and rots

* 1 hour re-entry time for all three uses

Click to see Boracol, check prices and Order

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Property Repair Systems,Unit 3, Olympus Business Park, Kingsteignton Road, Newton Abbot, Devon, TQ12 2SN

TEL: 01626 331351 FAX: 01626 331143

E: help@propertyrepairsystems.co.uk

Other Property Repair Systems free advice Sites:

www.boron.org.uk - how to use Boron based insecticides/fungicides to treat timber rots and insect attack

www.dampness-info.co.uk - how to treat penetrating dampness in walls and plaster

www.deck-treatment.co.uk - how to treat patio decks and yacht decks

www.dryrot.biz - how to kill Dry Rot in buildings

www.drywallandfloor.co.uk - membranes for lining damp walls, floors, basements and cellars

www.epoxy-info.co.uk - resin repair materials for wood indoors and outdoors

www.fire-door-paint.co.uk - upgrade doors to 30 minutes fire resistance

www.fire-info.co.uk - fire fabrics for insulation, flame and smoke barriers

www.joist-repair.co.uk - how to quickly repair joists and beams of any size

www.mold-info.co.uk - kill mould on walls and ceilings, anti mold paints

www.propertyrepairsystems.co.uk - fire retardant paints, hygiene products, metal bracket manufacture, crack injection

www.steel-fire-paint.co.uk - treat steel with Intumescent Paint to provide fire protection

www.timber.org.uk - systems of repair, with step by step methods

www.timber-repair.co.uk - how to repair timbers in buildings without wrecking the place

www.woodworm-info.co.uk - how to kill and prevent woodworm and death watch beetle

www.wood-worm.co.uk - how to stop common furniture beetle in buildings

www.woodworm-expert-advice-forum.org.uk - answers to your Woodworm questions