H3 Structural Pine for Reliable Outdoor Construction Australian conditions are harsh, including intense sun, rain, and temperature changes. H3 Structural Pine is specifically made to suit these conditions. It is treated in accordance with the standards for above-ground use, and it is believed the timber is fit for above-ground use. Structural grading will ensure it meets its load requirements and remains stable during installation and long-term service. Read More: https://blogosm.com/h3-structural-pine-for-reliable-outdoor-construction