BLACK SLATE 40mm
£6.99
Black Slate 40mm
How many bags do i need? How many bags do i need? (coverage 40mm deep. For example: to cover an area 3m x 2m you will require approx 18 bags)
| Â | 1m (3ft) | 2m (7ft) | 3m (10ft) |
| 1m | 3 | 6 | 9 |
| 2m | 6 | 12 | 18 |
| 3m | 9 | 18 | 27 |
5 in stock
