Proud manufacturers of the BTD Interlock fence. The precisely machined components simply slot or self lock together to give a high quality fence that looks great and will add value to your property. Contact us for a no obligation quote. View more information on our website. Our sawmill also specialises in solid wood beams, wideboards, bollards and timber treatments of H4, H5 and marine H6. We also contact mill, contract plane and have woodchip, shavings and sawdust available.