Knowledge Sheet

Know your timber sizes and tolerances
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TDUK's Knowledge Sheet 'Timber Sizes and Tolerances', written by Damian Clarke for TDUK, sets out what you need to know about the most common sizes of structural timber. Timber can be any size permitted by the raw material’s dimensions, but there are customary sizes that are most widely available, most...
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Embodied Carbon
2024 Embodied Carbon Data for Timber Products
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Although timber is classed as a low embodied carbon construction material, different timber products will have different embodied carbon values depending on the energy inputs during processing and transportation.
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cover of Lightweight Timber Frame Construction, a Knowledge Sheet from TDUK
Lightweight Timber Frame Construction
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As a renewable resource, lightweight timber frame has lower embodied energy than comparable building materials. It also achieves excellent thermal and acoustic performance, and high durability.
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Carbon Cycle and Storage
Carbon Cycle and Storage
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The carbon cycle is essential for life on Earth: through processes like photosynthesis, respiration, and fossilisation, carbon is stored in organic matter, fossils, and the atmosphere.
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cover of Sourcing Timber Sustainably, a Knowledge Sheet from TDUK
Sourcing Timber Sustainably
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Obtaining certification for sustainably sourced timber is vital to reduce the environmental impacts of construction. Certification aids in achieving sustainability certifications for construction projects and requires a robust chain of custody system, which involves proper training and management of procurement, production, and storage of certified materials.
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Structures with Green Oak
Structures with Green Oak
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Green oak has been used as a building material in Britain and Europe for millennia, with existing green oak walls and doors over 1,000 years old still found in British buildings.
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Timber Connection Design
Timber Connection Design
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As a natural material, timber experiences dimensional changes due to moisture content which connectors must withstand. If connectors are exposed, their aesthetics plus the durability of the timber should be considered.
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Eurocode 5: Load Duration
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Load duration calculations enable structural designs which optimise timber’s ability to withstand higher stresses under shorter periods of time.
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