Board impregnated II grade 22x150x4800mm

• Preservation class H3

• Preservative – TANALITH-E

• The scope of use of preserved materials is very wide, for example construction timber in moist conditions, terraces, garden and landscape design, protective fences and barriers, etc., where there is no direct contact with the ground.

• The lifespan of wood materials is extended 3 – 5 times by preservation. Wood has long-term protection against fungal damage and pest insects.

Information sheet of preserved materials

Description of quality grade II:

• Main profiles: Interior cladding board, exterior cladding board, floorboard, terrace board, square timber, planed timber

• Horn knots: No restrictions.

• Sound including black knots: No restrictions.

• Bark knots: No restrictions.

• Broken rotten knots: No restrictions.

• Loose knot or knot hole: No restrictions.

• Max allowed number of knots per meter: No restrictions.

• Thin cracks: No restrictions.

• End cracks: No restrictions.

• Ring cracks: No restrictions.

• Reaction wood and mechanical damage: Not allowed on the usage side of the profile board.

• Resin pockets: No restrictions.

• Embedded bark: No restrictions.

• Silica wood: No restrictions.

• Fungal damage: Mold is not allowed. Early rot and blue stain are allowed.

• Insect damage: No restrictions.

• Moisture content: 16 ± 2%

• Surface quality: Unplaned surface on the usage side allowed max length of 4 times the board width. Unplaned surface on the flat surface edges allowed up to 20% of the number of pieces up to 20% of the board width on the worst side.

• Tolerances: Length: ± 10 mm. Thickness: ± 0.5 mm. Width: ± 0.5 mm

• All conditions apply unless otherwise agreed in writing.

• Allowed deviation from sorting rules max. 5% of the number of pieces.