Specifications


Madison Granite takes great pride in producing the highest quality product possible, making customer service and satisfaction our top priority. Below are some frequently asked questions when deciding the optimal type of Madison Gold to use for your project.

  • Square Feet = Length x Width
  • Cubic Yards = Square Feet/Z
  • Tons Required = Cubic Yards x 1.4
  • Cubic Yards Covered = Tons/1.4

*The information provided on this page is empirically based and is provided only as a guideline to give a “general idea” as to the scope of the project undertaken and amount of material necessary.* 

DEPTH CONVERSION CHART

depth   Z

1″        324

2″        162

3″        108

4″         81

5″         65

6″         54

7″         47

8″         40

9″         36

10″       33

11″       30

12″       27

  • 1 cubic yard of material weighs about 1.4 tons
  • 1 ton of material covers about 100 square feet of ground about 2 inches thick

Boulder weights

  • Basketball size boulder (1×1) = 200 lbs.
  • Two-man size boulder (1×2) = 300-750 lbs.
  • 2×2 = 1,000-1,500 lbs.
  • 3×3 = 2,500 – 3,000 lbs.
  • 4×4 = 4,000-4,500 lbs.

Approximation of fines

    *Fines generally consist of natural sand or crushed stone with most particles passing through a 3/8-inch screen.

  • 1/4″ Minus : 70%-80%
  • 1/2″ Minus : 70%-80%
  • 3/4″ Minus : 70%-80%
  • 3/4″ Screened : 50%-60%
  • 3/4″ Sized : 10%-20%
  • 1/2″ Washed : 5%-10%
  • 1 1/4″ : 20%
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