Materials, in depth.
Detailed pages on the carpentry trade's materials — structural timber, boards, cladding and fastenings: use, types and the considerations you need to know before choosing the right one for the job.
Structural timber
Structural timber 45 × 95 mmStuds and battens for light framingStructural timber 45 × 195 mmJoists and rafters for floors and roofsGlulam beam (GL)Laminated beam for large spansCLT element (cross-laminated timber)Solid wood walls and ceilings for multi-storey buildingsConstruction timber 45 × 145 mmFrequent diagonal bracing for roof and floor deck