Drainage Aggregates
This product is useful to lower water pressures and provide water drainage in trenches and other backfill situations. Our range includes:
- DM 20/40
- TNZ F2 filter mix
- Mixed chip combinations

This product is useful to lower water pressures and provide water drainage in trenches and other backfill situations. Our range includes:
©2021, Wharehine Group (09) 423 6000 info@wharehine.co.nz