“Span” in this instance means the distance between supports for the shelf.
Tip
Fasten your shelf supports directly to wall studs whenever possible for the most secure attachment.
Use astud finderto locate studs in a wall.
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Plywood Shelves
Plywood for shelves should be 3/4 inch thick or thicker.
Standard sheets of plywood come in 1/4-inch, 3/8-inch, 1/2-inch, 5/8-inch, and 3/4-inch thicknesses.
Plywood panels over 3/4 inch in thickness are usually special order products.
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Be aware that the actual thickness of standardlumberis less than the nominal measurement by which it is categorized.
All 1 x lumber is about 3/4 inch thick.
It is commonly sold in thicknesses of 3/8 inch, 1/2 inch, 5/8 inch, and 3/4 inch.
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Like plywood, particleboard can be glued and screwed together to create thicker shelves.
Single-layer shelving made from particleboard should be at least 5/8 inch thick.
Common types of glass for shelves areannealedandtempered.
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A glass supplier can recommend a safe weight for the glass you choose.
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