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Resources

Everything you need, all in one place.

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The Donaldson Timber Systems Resources Hub gives you direct access to the technical information, data and guidance you need to design, specify and build with confidence.

Here you’ll find downloadable product guides, system data sheets, BIM objects, certification documents and performance details, all created to support accurate design, regulatory compliance and smooth project delivery.

Whether you’re preparing a specification, checking performance values or seeking design integration support, our resources provide reliable, up-to-date information direct from the UK’s leading timber frame manufacturer.

Filter downloads by category
U values

Technical reference sheet outlining thermal performance ranges for our wall systems

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U-values

PSI values

Technical reference sheet outlining thermal bridging performance values for key junctions within our wall systems

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PSI-values

Internal walls

Technical specification guide outlining construction types, performance criteria, and configuration options for our internal wall systems

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Product technical sheets

Floors systems

Technical specification guide outlining construction options, performance features, and installation details for our floor systems

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Product technical sheets

External walls

Technical specification guide outlining build-ups, performance ranges, and configuration options for our external wall panel systems

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Product technical sheets

EPD certificate Delta pre insulated panel

Environmental product declaration outlining the lifecycle impacts, materials, and performance of our Delta pre-insulated wall panel system

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EPDs

EPD certificate Sigma® II solid stud

Environmental product declaration outlining the lifecycle impacts, materials, and performance of our Sigma® II solid stud closed panel wall system

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EPDs

EPD certificate Sigma® II C stud

Environmental product declaration outlining the lifecycle impacts, materials, and performance of our Sigma® II C-stud closed panel wall system

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EPDs

EPD certificate Alpha open panel with Fermacell

Environmental product declaration summarising the lifecycle impacts, materials, and performance of our Alpha open panel wall system

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EPDs

EPD certificate Alpha open panel

Environmental product declaration summarising the lifecycle impacts, materials, and performance of our Alpha open panel wall system

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EPDs

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Ready to start your
timber frame journey?

Whether you’re an architect or a developer, our experienced team is ready to guide you through every stage of your timber frame project — from concept and design to manufacture and installation.

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