Oak — Fixed dimensions — Stair treads
Fixed dimensions — Stair treads
Edged timber intended for the production of steps.
0.9 - 4.0 m
105 mm, 135 mm, 155 mm
Pin knots up to 5 mm
One knot per tread allowed.
2-3 mm allowable, which can easily be machined out.
Straight pieces of A grade.