High-strength structural pine timber pressure treated to Hazard Level 3 (H3) for external above-ground use. Protects against termite attack and fungal decay, making it the ideal substructure framing for composite or hardwood decking.

Treated to H4 Hazard Class specifically for continuous ground contact. Sawn straight and true, these pine sleepers are builder-approved for low retaining walls, turf boundaries, and vegetable garden planters.