140 x 45mm H4 TGV Interlocking Retaining Wall - 3m

Interlocking timber suitable for use in retaining walls. Treated CC4 and suitable for ground contact.For vegetable garden applications it?s recommended as a precautionary measure to use a plastic liner to prevent soil contact with the sleeper. Alternatively, untreated Redwood or Macrocarpa sleepers can be used without liner and are the preferred option for this (vegetable garden) application