C24 Strength graded wood
Strength graded wood is used in important structural timber structures. The strength class is the determined, according to which each beam is marked individually. Strength graded wood is of higher quality and has fewer branches and defects.
H3 impregnated material
Deep impregnation of timber and timber products provides them with long-term moisture and weather resistance, and also protects against pests. Impregnated timber should not be used where it may come into contact with drinking water or cooking surfaces.