Each 19m2 crate of Hereford Green sandstone flagstones covers 19 square metres with a mix of 62 pieces in 5 sizes:
- 280mm x 560mm – 17 pieces
- 420mm x 560mm – 11 pieces
- 560mm x 560mm – 14 pieces
- 700mm x 560mm – 9 pieces
- 840mm x 560mm – 11 pieces
Each 10m2 crate of Hereford Green sandstone flagstones covers 10 square metres with a mix of 33 pieces in 5 sizes:
- 280mm x 560mm – 6 pieces
- 420mm x 560mm – 7 pieces
- 560mm x 560mm – 5 pieces
- 700mm x 560mm – 6 pieces
- 840mm x 560mm – 9 pieces
Its advisable to allow an additional 10% on top of the area required for breakages, cutting etc.