I've replaced an old pond. I've dug the pond out, put the railway sleepers in place and locked them together. I've cut out the viewing window, installed a bottom drain, fitted the insulation boards and liner, and now everything is finished!
RAILWAY SLEEPERS USED:
New British Pine eco-friendly railway sleepers.
3.0m, 2.4m and 1.2m x 250mm x 125mm