Wood Rot Repairs to Beams

Property Repair Systems

01626 331351

  Repair wood, timber repair and structural timber repairs
REPAIRS - Free Help - 01626 331351 - talk to Angela, David or Kathy - discuss your building with a Qualified Expert (C.R.D.S., C.T.I.S.)

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.

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Typical rotted embedded beam end in masonry

Rotted Beam in Masonry
Example

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

Church Tower Frame Repair
How to repair Wood Rot

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
Examples

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

Fill and Inject a Shake


How to treat and eradicate Wood Rot

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

Multi Part Arch to Repair
Examples

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

Timber-Resin Splice Beam Ends
How to prevent Wood Rot

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

Timber-Resin Splice Fitting
Examples

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

 

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Boron Injection with Boron Rods

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