Читать книгу Landscaping For Dummies - Lance Walheim - Страница 68

If you’re fortunate, a staffer will be able to help you with a materials cost estimate using that information. If not, you have more math to do:

Hardscape materials are expensive, bulky, and heavy — there’s no point in overcalculating and overspending (certainly not past the +10 percent cushion). On the other hand, underbuying is, at least, an annoyance because you’ll have to go back and get more.

For example, you want to include flagstone for a new patio. To calculate, take the surface area, divided by 100 equals tons needed so 20 feet (6.1 m) × 10 feet (3 m) = 200 ÷100 (6.1 ÷ 3) = 2 tons.