57: Gost 8486

GOST 6564-84: Lumbers and blanks. GOST 7016-82: Products of wood and wooden materials. Parameters of surface roughness. GOST 8486- Russian Gost

Limits on the diameter, type (sound, loose, decayed), and number of knots per unit of length. gost 8486 57

Sawn timber of softwoods. Specification. Technical ... - LiS Ltd. GOST 6564-84: Lumbers and blanks

Load-bearing structural elements, high-quality flooring, and carpentry. General construction, floor joists, and roof rafters. Grade 3 Wall sheathing, sub-flooring, and heavy packaging. Grade 4 Low-grade packaging, pallets, and temporary scaffolding. Quality Control and Marking GOST 8486- Russian Gost Limits on the diameter,

Maximum permitted lengths for surface, edge, or end cracks. Wane: Restrictions on the amount of bark left on the edges.

Quality assessment is typically conducted on the of the piece. Standard marking includes the lumber name, grade number, wood species, and a reference to the GOST standard. For example, a Grade 2 pine board would be marked as Board 2 Pine GOST 8486-86 . RussianGost|Official Regulatory Library - GOST 8486-86

All four sides are sawn, and the width of the wane (bark remnants) does not exceed permitted limits.