We purchase

We purchase spruce lumber

(From small dimensions of the wood)

 

Wood quality requirements:

Sound knots: up to  25 mm;
Black knots: up to  8 mm;
Black outliers knots: up to 3 mm;
Sound knots on the edge: allowed on a small scale;
Heart plank: not permitted;
Crack: end cracks acceptable till 50 mm;
Colouring: not permitted;
The resin pockets: 4 mm wide, 40 mm long;
Scroll: not permitted;
Sinuosity: one-sided 1%;

Timber  cross section:

21×59;
21×118;
28×69;
28×100;
28×115;
34×104;

Timber lengths:

We purchase all standard lengths ranging from 4.2 m