Common drain repairs problems in Leigh
- ✓ Sulphate attack damage to post-war concrete drainage in Pennington and Westleigh
- ✓ Root damage to Victorian clay systems in Leigh town centre terraces
- ✓ Flat-terrain gradient loss requiring repair or relining to restore flow
- ✓ Joint failure in aging drainage throughout Leigh's housing stock
- ✓ Section collapse in end-of-life concrete estate drainage