Timber has been used for piled foundations for centuries. Responsibly sourced timber piles are installed for many project types – mainly within marine working environments and low loaded structures with a lifespan of up to 30 years. Timber has been long favoured for marine works because of its ability to absorb impacts and its ease of handling over water. Timber piles are used for groynes and sea defence works as well as jetties, dolphins, fender piling and rubbing strips. The main advantages are potential low costs, sustainable material, carbon sequestration and off-cuts can be used for fuel. Aarsleff commonly use Greenheart Timber piles (also known as Demerara Greenheart), ideally suited for salt and fresh water applications where strength and long life are required. Indeed, Greenheart has been used in piling for many years, due to its longevity under extreme conditions. Greenheart Timber comes from South America and features high strength and superior resistance to decay. The piles also require no timber treatment making it a very environmentally friendly solution, yet significantly stronger than other timber alternatives.
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