Gost 8486 57 -

Sawn timber of softwoods. Specification. Technical ... - LiS Ltd.

Standard lumber is typically delivered "dry" (moisture ), natural dry, or treated with antiseptics. Defect Limits: Each grade has specific allowances for:

Decreasing quality levels based on the presence and size of defects. Grade 1 is typical for structural work, while Grade 4 is used for low-load tasks like crates or temporary structures. Technical Requirements gost 8486 57

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

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

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

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 - LiS Ltd

Defined as boards (доски), bars (бруски), and beams (брусья). Quality Grades: