Impregnation classes and usage

Class A, EN 351 P8/HC4 – impregnation chemical Tanalith E.

Use in contact with land, water and concrete. Fence posts, power poles and transmission lines, bridges, boat fabrications, concrete constructions, railway sleepers, and various other weather influenced timber structures.

Class AB; P8/HC3 EN 351 – impregnation chemical Tanalith E.

Use of land and without water. The terrace tables, boat bridges, scaffolds, weatherboard, wooden, gazebo, noise barriers, handrails, fence boards, garden furniture, children’s playground. Tanalith E concentration in the timber is below the Class A.