Structural Framing H3/H4 (Internal/External)

Canterbury Timbers is Sydney’s largest supplier of H3 and H4 treated pine structural framing timber for both internal and external applications. Our structural framing range is designed for strength, durability and long‑term performance in Australian conditions.

We stock H3 treated pine suitable for external above‑ground framing applications and H4 treated pine for more demanding, in‑ground or ground‑contact situations. Whether you’re building wall frames, decks, pergolas, carports or subfloors, our structural framing timber range has you covered.

Why choose H3/H4 treated pine structural framing from Canterbury Timbers?

• H3 / H4 hazard‑level treatment for external use

• Ideal for internal and external structural framing applications

• Durable and resistant to decay and termite attack

• Available in a wide range of common framing sizes for residential and commercial projects

If we don't have the exact structural framing H3/H4 product you need, Canterbury Timbers can source it for you. Talk to our experts for DIY advice and construction project knowledge – we’ll help you choose the right treated pine framing for your job and site conditions.

Call us today on 1300 791 229 or click here for a Quote.