Whether you're self-building, extending, or managing a full development, our structural timber range covers everything from timber frame kits to roof trusses and engineered beams.
Timber Frame Systems
Off-site construction is becoming the go-to method for speed and efficiency - and Harmony’s engineered Timber Frame Kits are built to exceed modern regulations while delivering real value on site.
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Open panel and closed panel options
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Factory-built for accuracy and reduced waste
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Faster build times - up to 30% quicker on a typical 2-storey house
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Excellent thermal performance and airtightness options
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Full design, engineering and technical support
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From self-build projects to larger residential schemes, timber frame offers a quicker route to a watertight structure.
Roof Trusses
Structural roof trusses supplied as complete roof kits for extensions, new builds, housing developments and commercial projects
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Harmony design to Eurocode 5 using advanced software, providing layout drawings and profiles with every quote.
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Standard, attic, mono, raised tie and complex truss designs
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TR26 graded timber
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Up to 40% less timber used compared to traditional cut roofs
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Delivered direct to site
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Bring us your plans - we’ll price and design accordingly.
Posi-Joists & I-Joists
Combining timber and steel webs, Posi-Joists create a lightweight, open web floor system that makes life easier for follow-on trades.
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Open design allows easy service runs
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Up to 40% lighter than comparable solid joists
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Reduced lifting requirements
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Engineered and fully analysed
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Ideal for domestic and commercial flooring.
Spandrel & Gable Panels
Fire-rated timber panels that form the dividing walls between properties in a terrace or semi. Built off-site to the roof profile so they go up faster and safer than traditional masonry
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Installed alongside trusses to form compliant dividing walls
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Reduce masonry build-up into roof space
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Built-in lifting straps for safer installation
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Cost savings of around 20% compared to traditional methods
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Perfect for residential developments.
Glulam Engineered Beams
Glulam beams offer a strong, sustainable alternative to steel and concrete.
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Up to 50% stronger than solid sawn timber
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Lighter than steel and concrete
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Can achieve up to 90 minutes fire resistance
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Ideal for large spans and open spaces
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Competitive pricing makes Glulam a practical structural solution.
Roof & Floor Cassettes
Speed up installation with pre-fabricated floor and roof cassette systems.
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Metal web floor cassettes with 22mm Egger Protect Decking
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Roof panel cassettes with Glulam or Box Truss ridge beams
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Faster install, less on-site labour
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Reduced site waste
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Designed for efficiency on busy sites.
Speak to Youngs about your project
We supply structural timber solutions across Kent, including Folkestone, Hythe, Ashford, Tenterden, Romney Marsh and surrounding areas.
Bring us your plans, roughly what you're building, and where. We'll price it up and talk you through the options
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Speak to your nearest Youngs branch to discuss your roof trusses, timber frame or engineered timber requirements.