Guides
Answers to the questions the calculators raise, with the source of every figure.
- Concrete bags or ready-mix, which should you order?The same pour counted in bags and in cubic yards, and how to compare them.
- How deep should mulch be?Depth by type of mulch, from university extension services, and what it means for quantity.
- How much extra material should you order?The published allowance for each material, and where there is none.