Outstanding Natural Slate Material
Uncompromising Quality

Thickness and Weights

SLATE THICKNESS and WEIGHTS
Thickness Approximate Weight Pounds per square at 3” headlap
3/16″ 700
3/16″ – 1/4″ 820
1/4″ 935
1/4″-3/8″ 1,170
3/8″ 1,405
3/8″-1/2″ 1,640
1/2″ 1,870
1/2″-3/4″ 2,340
3/4″-1″ 3,275
Slate Thickness and Weights

FAQs

  • How much does slate weigh?

    SLATE IS AVAILABLE IN SEVERAL THICKNESSES DEPENDING ON THE SUPPLIER. The weight is based on the pounds per square. One roofing square covers 100 square feet. The most common thickness is 1/4” to 3/8”.

    • 3/16” (675-700 LBS)
    • 3/16” – 1/4” (820 LBS)
    • 1/4” (935 LBS)
    • 1/4” – 3/8” (1170 LBS)
    • 3/8” (1405 LBS)
    • 1/2” (1870 LBS)

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