Structural Timber Repairs

Trace provide a turn-key solution to issues of decay and infestation within structural timbers of all kinds, we survey and assess the extent of damage, we design appropriate repairs in line with Client requirements, and then we complete the repairs.  We can attend to all forms of timber repairs in residential, historic and modern CLT & glulam structures.

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Timber decay survey, reporting and diagnosis

It is important to get a competent surveyor when dealing with timber. Timber surveys are often confined to accessible structures initially, so it can be vitally important to establish if demolition or exposure work is required to assess the condition of timber if any surety is required prior to works.

A sound knowledge of wood decaying fungi and insect attack is vital as The existence of damage caused by wood boring insects does not always indicate a need for remedial treatment; correct identification is essential before any consideration can be given to whether treatment is needed.

Trace offer services that independent consultants provide,but we go beyond their remit in specifying specific Repairs, schedules of workand costs (Consultants limited to condition Reports with generic or no adviceon Repairs).

Visual inspection

  • exposure and testing
  • preparation of detailed drawings & schedules
  • obtaining structural calculations
  • visual strength grading (in-house)
  • specification of exact and appropriate repairs (see example drawing opposite produced by Trace).

Award Winning Repairs

Trace were awarded PCA Project of the Year for a scheme involving the restoration of a timber framed wattle & daub structure. The building gained listed status part way through the project, and Trace managed the work - a mixture of traditional and modern timber repairs, through to completion.


Trace's principal timber Surveyor is a Chartered Building Surveyor and member of the Royal Institute of Chartered Surveyors, in addition to a TRADA (timber research and development association) qualified timber strength grader.


Trace have completed repairs on timbers subject to dendrochronological (tree ring) analysis, identifying the timbers as being felled in AD1476.

All forms of timber structures

Trace completes repairs within structures of all types and scale, from residential dwellings through to larger scale commercial projects.

We can assist whatever your requirements might be.

Structural timber repair expertise

Examples of our previous Structural Timber repair works are:

  • Museum of Science and Industry – timber resin splice repairs.
  • London Road Fire Station (Manchester) – timber replacement and resin splice repairs.

We are the leading waterproofing experts in the North West, having advised and worked on various land-mark properties locally including the Museum of Science and Industry, London Road Fire Station and The White Lion Stockport.

One of our PCA Project of the Year award wins involved restoration of a listed timber framed farmhouse, replacing decayed structural timbers asking a combination of traditional and modern (TRS) repair methods, and also reinstating wattle & daub wall panels, integrating original materials into this where feasible.

We Are Approved & Accredited By

Timber inspection for repair

At trace we can complete Surveyors visual inspection or often include labour for exposure works and auger testing to bearing ends that allows assessment to the inner heartwood of larger members to establish the extent of decay.

This can allow surety on the extent of works and type of repair required.

We’re experts in structural waterproofing with over 45+ years of experience.

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We could not have successfully completed this project without a flexible and proactive contractor, able to continuously deliver results under pressure in what were often difficult working conditions. When issues arose Trace assisted wherever they could, including where those issues did not fall directly within their remit. I would have no hesitation in recommending Trace to prospective clients”

‘Trace completed all of the works identified in the main building to a very high standard’. ‘All of the lads on site have been excellent and it has been a pleasure to work with you all.’

"Thank you so much for your generous and expert advice on how to cost effectively resolve the damp challenges at 422. Your guidance to our team has been great and given them the information and direction they need to get on with the job. Also thank you for linking us to your materials supplier so they can be sourced economically". *charity work*

422 Community Hub

"I think this is the best CDM installation I have ever seen. I have seen a lot. Everything about it is textbook. It is neat, tidy, straight, square…. Just perfect and the care and attention taken to fix the plugs to the exact centres ready for further trades is nothing less than a work of art. In addition to this, the site management is top-notch also. Everything about the project gives massive credit to Trace and all who worked on this project".

Newton Waterproofing

Our case studies...

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