How to kill Dry Rot - (don't forget to eliminate the moisture source)

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Boron Ultra 12 - the best surface spray fungicide for killing Dry Rot. A white powder that dissolves in water, odourless, non-staining and pleasant to use. Use one 2.5kg bag for every 25 litres of water, applied at a rate of 2.5 square metres per litre. Apply to timber, masonry and sub-site soil. HSE Approved for a 1 hour re-entry time, after treatment.

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Boron Ultra 12 - ready mixed in water, 5 litre, 10 litres or 25 litres, applied at a rate of 2.5 square metres per litre. Apply to timber, masonry and sub-site soil. HSE Approved for a 1 hour re-entry time, after treatment.

Accessories:

Mask for spraying water based liquids

Pump up sprayer

Boron Ultra Gel - the best fungicidal deep penetrating surface Gel for killing and preventing Dry Rot. A clear, odourless, non-staining gel in glycol. Apply to timber with a brush. Use on end grain, vulnerable areas and damp sections.

Boron Ultra Paste - the best fungicidal injection paste for killing and preventing Dry Rot deep inside timbers. A clear, odourless, stiff non-staining paste in glycol. Inject into timber via 8mm - 10mm diameter holes drilled into vulnerable areas and damp sections.

Boron Ultra Rods - the best fungicidal solid stick reservoir for killing and preventing Dry Rot deep inside damp timbers. Solid fused rods of Boron D.O.T. Place inside timber via 8mm - 10mm diameter holes drilled into vulnerable areas and damp sections.

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Boron Ultra Paste and Rods in drilled holes in a joist

1. Drill to establish extent and cut back to sound timber. Eliminate the source of moisture.

2. For Holes and Voids - fill with Moulding Mortar, a putty like non shrink epoxy, (if not more than 30% of cross section lost, subject to survey).

3. For Missing Ends or Mid Spans - fit a made to measure Timber-Resin Splice - price by E Mail, Fax:01626 331343 or Tel: 01626 331351, with free of charge Design, Method Statement and List of Materials and Tools.

Timber-Resin Splice end unit fitted

Bindon House Hotel - the roof tie beams were badly affected by Death Watch Beetle, Wet Rot and Dry Rot. These were replaced with TYPE E Timber-Resin Splice Units and timbers like these should be treated with Boron Ultra 12 by spray, Boron Ultra Gel to end grain and vulnerable surfaces and Boron Ultra Paste by injection.

Bindon House after restoration

1. Eliminate the moisture source and establish the extent by drill testing

2. Remove all decay back to sound timber.(Note - no need to cut back and scrap good wood))

3. Inject Boron Ultra Paste, apply Boron Gel and surface spray/brush with powder in water Boron Ultra 12.

Dry Rot rampant on an office wall

Manor House, Warwick - extensive infestation had resulted in massive areas of Dry Rot mycelium (skin) and sporophores (fruiting bodies - mushrooms) on timber and masonry. Previous treatments with conventional chemicals had failed to stop the spread of fungi. Boron Ultra 12 powder in water was applied by spray to timber, masonry and sub-sites, Boron Ultra Gel to end grain and vulnerable surfaces, Boron Ultra Paste and Boron Ultra Rods to 8-10mm holes drilled to prescribed hole pattern, to surrounding areas at least 300mm in all directions from the limits of the attack and to all timbers at or above 18% moisture content.

Fruiting Body of Dry Rot - note the red spore dust

1. Prevent the ingress of moisture by eliminating penetrating and rising dampness

2. Treat vulnerable timbers (those above 18% moisture content) and those subject to seasonal dampness (e.g. window and door frames, wall plates) with Boron Ultra Rods, Boron Paste and Boron Gel. To prevent surface spread apply Dry Rot Paint, an emulsion that can be applied to timber and masonry. BRE testing proves that Dry Rot will not 'walk across' surfaces coated with this paint.

3. To avoid leaving timbers that are drying out vulnerable to Dry Rot, cut back wet rot damage and dry out/treat as above

The Log House - before restoration

The Log House, near Lymington - wet rot decay had destroyed a large number of logs on the weather side of this £1.5 million + home, facing Southampton Water. This left the damp timbers vulnerable to Dry Rot, so Boron Ultra Paste and Boron Rods were installed in the remaining sound logs to provide long term protection.

Digging out the rot - we make replacement logs, voids are filled with Epoxy Grout

For more Timber Repairs go to:www.timber-repair.co.uk

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WOOD PRESERVATIVE AND BIOCIDE SAFETY

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.

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.

Property Repair Systems
Olympus Business Park, Kingsteignton Road
Newton Abbot, Devon, TQ12 2SN
T: 01626 331351
F: 01626 331143
E: help@propertyrepairsystems.co.uk