Our Extreme H4 Treated Pine engineered timber posts are ideal for external building and structural components such as decks, pergolas and other outdoor applications for your home or business. Our Extreme Timber posts are a natural, sustainable and appealing product with excellent durability and exceptional strength, plus added exterior grade performance to create a product you can trust. Using radiata pine, one of the most versatile building products currently available, Extreme Timber has all large defects removed to ensure maximum structural performance as well as aesthetic beauty for any setting. Size and stability is enhanced by the use of finger jointing and lamination technology in all products. The adhesive systems selected are all service class 3 for external in or above ground applications. This adhesive system has excellent bond strength and for many years has been used in a range of exposed applications including timber boat manufacture. These posts have been treated to H4 level of treatment to enable them to be used in applications where the timber is in contact with ground or is continually damp. H4 is designed to help prevent the likelihood of attack by insects, including termites, and decay. Typical uses for H4 include fence posts, greenhouses, pergola posts (in-ground) and landscaping timbers. These post are engineered from plantation grown timber, creating a long lasting, sustainable product with great durability and performance. Large, long and straight posts for any application with the added benefit of being able to be put in the ground. Extreme Posts can do it for you. 112x112mm