How Much Weight Can Glass Support?


Quick Answer

The thickness of the glass, span between supports, square footage and glass type determine the amount of weight that it can support. Glass with a thickness of 3/16 inch, 1/4 inch and 1/2 inch is used for shelving. However, thicker glass is still prone to breakage due to stress.

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Full Answer

Typically, thicker glass can support heavier weights without breaking. Even with a strong support, 1/4-inch thick glass will not hold more than 70 pounds. The standard thickness of most glasses in commercial shelves is 3/8 to 5/8 inch, which can support moderately heavy items like books. Although thicker glass can support heavy weight, short distances between support brackets help support even heavier weight.

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