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Incised Sleepers

These incised sleepers have a 15 year guarantee

Incising is a process that puts small knife blade slots into the surface of the wood, and has been common practise in North America and Australia for many years. The slots mean that the preservative chemical is much more easily able to penetrate the fibre of the wood, and creates a protection barrier of at least 6mm deep, which is the depth necessary to meet the use Class 4 standard.