MC <= 12%

Uniform lamellae width except on trimmed edges, lamellae length >= 15cm

Joints excluding breakout, gaps, holes and excess glue. Smooth sanding: grit#240. Glue: JAS-F4 

PEFC-certified products

 

A grade: Tight vertical grain only, very white color, defect-free

AB grade: Vertical grain only, reaction wood allowed. No knots, no blue stain, no heartwood and decay, no pitch streaks.

 

B-grade: vertical and flat grain mixed; a little color variation allowed, very few pin holes allowed on one face only. No knots, no blue stain, no heartwood and decay.

 

C grade: small and sound knots, blue stain, heartwood and pitch streaks allowed. No decay, no splits and worm holes.

 

A grade:

Thickness: 20/25/30mm

Width: 500/600mm

Length: 4200mm

 

AB grade:

Thickness: 20/25/30mm

Width: 500/600mm

Length: 4200mm

 

B grade:

Thickness: 20/25/30mm

Width: 500/600mm