Hardwood Sleepers H4
Hardwood Sleepers H4 deliver a tough, reliable solution for outdoor landscaping projects where strength and longevity matter. Made from quality Australian hardwood and treated to H4 level, they suit in-ground use across a wide range of outdoor applications.
DIYers and professional landscapers regularly choose hardwood sleepers for backyard upgrades and large-scale projects. Common uses include retaining walls, garden beds and raised garden beds, garden edging, steps and tiered landscaping, pathway borders, and feature elements such as seating walls and fire pit surrounds.
Dense, solid timber gives hardwood sleepers their long-lasting durability. They handle ground contact and outdoor conditions with ease, making them a dependable option for permanent landscaping. H4 treatment protects the timber against termites, rot, and decay, helping extend its service life in the ground.
Whether you’re building a timber sleeper retaining wall or creating clean garden borders, H4 hardwood sleepers offer a practical balance of performance, durability, and natural timber appeal.







