External - window frames, door frames, posts, timber frames, wall plates, rafter ends, purlin ends, facias and soffits.

Internal - window frames, door frames, skirting boards, staircases, joists, carrier beams, bressumers, lintols, arches, rafters, tie beams, purlins, ridge beams, 'A' frames, trusses (King Post and Queen Post) and lath and plaster ceilings.

Types of damage - splits, cracks, holes, end decay, mid span decay, excessive bending or deflection, decorative, fire, water, wet rot, dry rot and insect attack.

Typical rotted embedded beam end in masonry

Doddiscombeleigh Church - the Nave has a barrel vaulted ceiling, made of Oak frames with pine planking. One of the frames had been eaten away by Death Watch Beetle in the most visible place in the centre of the arch. The repair was made using Epoxy-glass flexible rods, which were used to form a frame to follow the original shapes. This form was then filled out with Moulding Mortar, a shrink proof epoxy putty like material that can be formed, shaped and carved to any shape. After carving the finished surface was stained to match the original.

Another Church Bell Tower Frame - awaiting post repairs

Splits and shakes - inject Thixotropic Epoxy Adhesive

Holes and small voids - fill with Moulding Mortar

Ends and Mid span gaps - fit a Timber-Resin Splice - INSTANT ESTIMATE - 01626 331351

Bending/deflection - high tensile rebar in Structural Epoxy Grout

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Splits like these can be filled with Moulding Mortar

Splits and shakes - Sherbourne School, Dorset -Thixotropic injection

Holes and small voids - Doddiscombeleigh Church - Moulding Mortar, hand placed

Ends and Mid span gaps - Exminster Signal Box - Timber-Resin Splice/Structural Pouring Grout

Deep splits can be filled and then injected

1. Eliminate the source of moisture and protect against future ingress

2. Cut out the decay back to sound timber - test extent of softness with drilled holes

3. Repair as described in 'How to Repair Wood Rot' above.

4. Inject with Boron Ultra Paste, surface treat with Boron Ultra Gel. Add Boron Ultra rods of solid preservative for timbers likely to remain damp or subject to seasonal wetting (e.g. window frames, door posts, garden posts, wall plates).

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Multi part arches can be repaired in situ

Hampton Court - after the fire in the Cartoon Gallery - Glycol Borate by Blower

The Pannier Market, Barnstaple - Boron Rods, Paste and Gel

My own Oak sea gate posts - large Boron Rods, with Boron Paste, angle faced plastic plugs

Replacement timber sections come in any size and shape

1. Protect structures from penetrating and rising dampness

2. Apply breathing protective coatings to external timbers - Vinabore

3. Treat vulnerable timbers with Boron Products - insert Boron Rods, inject Boron Paste, brush apply Boron Gel and apply Ultra 12 Liquid by spray or brush for indoor use to floor and roof timbers.

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Boring out a timber tie beam to fit a Timber-Resin Splice

Ships - The Unicorn, Dundee

Castles - Dartmouth, the Gun Room floor carrier beams

Houses - The Log House, near Lymington

Pre-Treatment - 'Timborising', extensively used in New Zealand and Canada: boric acid is used to soak 'green' timber, before drying and cutting to final size - now returning to the UK as D.O.T powder-in-water system for pressure treatment of 'converted' timbers, replacing conventional Pesticides and CCA (copper/chrome/arsenic).

Inject Boron Ultra Paste and Fit Boron Ultra Rods to prevent decay

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: dcmoore@timber.org.uk