Roof Trusses
Since 1964, Thomas Armstrong (Timber) Ltd have been to be a leading timber roof truss manufacturer, servicing sites across the North of England and Scotland. We manufacture and transport roof trusses to private individuals, builders and developers for both residential and commercial construction projects.
All buildings are unique, so our dedicated teams have the in-depth experience and knowledge of the industry so can supply roof trusses ranging from basic mono pitched roofs to complex bespoke full roof packages.
Our timber roof trusses are designed, using the latest MiTek software, to meet all current codes and standards; with detailed layout plans and individual truss drawings included in the design process to ensure we fully meet your requirements at every stage. As a MiTek truss manufacturer you can be confident that you are dealing with a company using the very latest in design and engineering software, with the full backup of MiTek’s exceptionally experienced support team of technical experts.
Along with our exceptional customer service, the quality of our engineered roof products is important to us, and roof trusses being manufactured to the highest quality using timber responsibly sourced under the Programme for the Endorsement of Forest Certification (PEFC) scheme. We are also members of TRADA and the Trussed Rafter Association and have always continued to meet the latest developments within the industry, so all our trusses are manufactured to BS EN 1995-1-1 (Eurocode 5) and EN 14250 and under ISO 9001.
One key advantage is at Thomas Armstrong (Timber) Ltd, we supply all the relevant timber ancillaries’ items as standard. Depending on the timber product/s ordered, ancillaries items such as straps, hangers, timbers, truss clips, gable straps, valley gutters etc are delivered at the same time ensuring you have everything you need to complete the installation of our products on-site.
- Suitable for a wide range of roof structures and building types
- Prefabricated components mean reduced site labour costs
- Manufactured off site
- Easily transported and ready for installation on delivery
- Cost effective solution
- Flexible and versatile
- Engineered product that provides greater level of precision and accuracy
- House extensions
- Self builds
- Housing schemes
- Barn conversions
- Apartments
- Student accommodation
- Schools
- Nursing homes
- Hospitals
- Offices
Timber Frame Construction Stages
Below is a step by step to highlight typical key stages in the construction of a Timber Frame Structure
Set Out Base Plate
Install a timber plate to the concrete slab to establish the footprint and positioning of the structure.
Floor Joists & Decking
Install timber floor joists and lay first floor decking to create the intermediate floor level.
Roof Structure
Install the prefabricated timber roof components — typically roof trusses or rafters.
Ground Floor Walls
Erect prefabricated timber frame ground floor wall panels to form the base structure.
First Floor Walls
Position and secure the first floor wall panels in line with the building plan.
Completed Timber Frame
The full timber frame is now erected, forming the structural shell ready for follow-on trades.
See the Journey: Timber Frame Construction to Completion
Our Process
A clear step-by-step guide to how we take your project from enquiry to delivery — ensuring quality, communication, and reliability at every stage.
1. Initial Requirements Received
We gather the customer’s requirements and project objectives.
2. Quote & Preliminary Details Provided
A tailored quote is issued based on the initial brief and scope.
3. Order Confirmation
The client confirms the order and gives the go-ahead to proceed.
4. Final Details & Site Coordination
We liaise with the client to finalise details and arrange site visits if needed.
5. Manufacturing Begins
Products are manufactured in-house according to agreed timescales.
6. Delivery to Site
Completed products are transported and delivered to the specified address.
Contact Thomas Armstrong (Timber) Today!
At Thomas Armstrong (Timber) Ltd we pride ourselves on our high level of customer service across the company. Our friendly staff will be more than happy to help answer any questions you have relating to sales and our products as well as any technical advice you have. Please contact our office today!