A versatile and cost effective building material, CLS is a graded timber commonly used in stud wall construction. This CLS timber, is a pack of 8 with dimensions of (L)2.4m x (W)6.3cm x (T)38mm, 24.84kg, the material has a natural smooth finish. When used externally, planed softwood must be treated with an exterior timber preservative and either a high performance exterior wood stain or exterior paint suitable for timber.