GRADE SPECIFICATION

 

rustic

“Rustic”

A grade characterized by wood pattern. Discoloration and internal sapwood is permitted without restrictions.

White sapwood at the board edge <1/3 of the board width, can go across the entire length of the board.

Fallen knots 0<80 mm are allowed, by gluing natural knots in their places and/ or filling gaps with a wood filler (polyamide) or putty.

Cracks <5 mm are allowed over the entire length of the board.

All defects are filled with a wood filler (polyamide) or putty.

classic

“Classic”

A classic and the most popular grade. Significant discoloration is allowed and to be expected for this grade. No restrictions for internal sapwood.

White sapwood at the edge of the board <15 mm wide and <1/3 of the board’s length.

Whole knots of 0<50 mm are not limited.

Fallen knots 0<40 mm are allowed, by gluing natural knots in their places and/ or filling gaps with a wood filler (polyamide) or putty.

Cracks <2 mm wide and 5% of the board length are allowed.

Cracks in combed and heat-treated parquet wood <3 mm wide and <10% of the board length are allowed.

All defects are filled with a wood filler (polyamide) or putty.

select

“Select”

This is a premium grade. The timbers selected are defect and split free. Wood has uniform, characteristic colour, without significant changes. There are no restrictions for a wood pattern.

Healthy knots: 0<10 mm not in groups.

Cracks in combed and heat-treated parquet wood <1 mm wide and <2% of the board length covered with special wood putty are allowed.

 


 

“Select Plus”

Only the highest grade, uniform walnut wood is used for this grade. The timber selected is free of any defects, knots, sapwood or cracks.