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We are the UK's largest and longest established manufacturer and supplier of engineered wood products, with eight branches across the UK and over 30 years of experience.

Largest Independent Timber Engineering Company In The UK

Donaldson Timber Engineering Floor Systems

Flooring and Flat Roofing Systems

If you’re looking for a flooring or flat roofing system, or even just individual beams and lintels, look no further than Donaldson Timber Engineering. We are the UK’s leading and longest established manufacturer and distributor of engineered wood products. We offer complete solutions to make your life easier and minimise your overall build cost.

Partnering with industry leaders MetsäWood, Egger and ITW Cullen, we offer an innovative bundle of products that will simplify construction on any project including;

  • Finnjoists/Posi joists
  • Kerto Q & S LVL beams, lintels and rimboards
  • Finnseal
  • Egger Peel Clean or Protect Chipboard
  • Metsa SpruceDeck
  • OSB (3) temporary deck
  • A full range of metal connectors and straps
  • MiTek

Designed to give the easiest-to-build solution; with quality and ease of installation, reliability, security of supply, increased speed and enhanced quality, our solutions can provide you with all of the following benefits:

  • Cost effective, fully integrated design
  • Decking and joist layouts
  • Pre-drilled holes within joists and beams for ventilation, plumbing and electrical services
  • Re-usable stairwell kits
  • Less than three week delivery service nationwide

If you’re building a masonry construction why opt for a complete solution?

  • Precision cut to length components
  • Joist and decking layout plans
  • Minimal on-site waste
  • Decking supplied in plot lot quantities to provide exactly what is needed

If you’re an off-site building system manufacturer why opt for DTE?

  • We can provide bespoke designs to suit your specific detailing requirements
  • Alternatively we can just provide precision cut to length omponents to suit your own design
  • Furthermore we can prefix any timber blocking requirements
  • Delivery of our products is tailored to suit your needs:
    • in one complete bundle, direct to your factory or the building site
    • in multiple cassette bundles, to your factory ready for cassette fabrication or direct to the building site
    • pre-fabricated cassettes by DTE, delivered direct to the building site

One Stop Shop

At DTE, we supply more than just trusses and joists. We can provide you with all the associated products you need for your roofing or flooring requirements, including:

  • Kerto LVL
  • Glulam
  • Spandrel panels
  • Roof or floor cassettes
  • Gable ladders
  • Metal connectors and straps
  • Stability bracing
  • Chipboard decking
  • Fascias
  • Barge boards
  • Soffits
  • Sheathing

Complete Solutions for Floors
and Flat Roofs brochure

Please download DTE’s Complete Solutions for Floors and Flat Roofs brochure for further details.

Download PDF

Recent Projects

Specialised roof packages for housing development

Work Included:Work Included: DTE worked with Barratt Homes on a large housing development in Surrey, providing a specialised full roof package for a block of flats and 110 houses.

Roof system for renovation of listed building

Work Included: The DTE Ilkeston team was required to supply a massive 20,000 roof trusses for 625 forest lodges within a rapid build programme.

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Head Office

Donaldson Timber Engineering Ltd
Muiredge Industrial Estate


01592 715026


01592 714007



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