How T4R, P4R, and C4R grades map to lamination architecture, why PD inception and oil impregnation decide performance, and what to verify in a supplier.
Modified vs thermally treated vs natural timber compared by LCA: functional units, EN 15804 modules, biogenic carbon, service life, and green building evidence.
Salt spray, wet-dry cycling, and UV destroy conventional wood. How modified wood resists moisture and decay for long-term coastal boardwalk performance.