Small sectional timber for frameworks for walls/ceilings and partitions

• Use C16 kiln dried softwood
• BS EN 1313-1:1997 covers softwood sizes.

Typical Sizes

• 47mm x 75mm
• 47mm x 100mm
• 47mm x 150mm

Species

Mainly spruce

• Good strength properties
• Finish can be sawn or planed
• Planed is easier to handle, and consistent dimensions make fitting plasterboard and other sheet materials easier.

CLS timber

Surfaced timber or CLS (Canadian Lumber Sizes) is widely used for studding. It has 3mm radius eased edges and consistent dimensions

• Sizes are covered by BS EN 131-1 and BS EN 336. 

Typical sizes

• 38mm x 63mm
• 38mm x 89mm
• 38mm x 140mm

Typical lengths

• From 1.8m to 6.0m or more
• Increments are 300mm
• Most common lengths are 2.1m, 2.4m and 4.2m.