What kind of wood for garage shelving?

Since your wall studs are probably 16" on center, and you are putting shelf brackets into those studs, then the shelf brackets will end up being 16" OC.

Use adequate "structural" SCREWS to hold the shelf brackets to the studs. As in lag screws or their 'modern' replacement, like GRK RSS (Rugged Structural Screws, I didn't name them ).

https://www.grkfasteners.com/products/rss-rugged-structural-screw

No predrilling (usually) needed with the GRK RSS, so that is an advantage over lag screws.

Remember, the shelf edging goes with the big dimension vertically for best deflection resistance. And fasten the edging solidly to the shelf (glue and screw. or glue and brads to hold the strip in place while the glue dries, or glue and clamp until the glue dries).

A 'nice' but not 'fancy' plywood is Baltic Birch Plywood. Decent face veneers and consistent inner plies with no/minimal voids, you can often leave the edge as-is if you want to. Comes in 5x5 sheets (mm x mm actual), and metric thicknesses (but might be listed as a nearest-equivalent inch dimension).

https://www.woodworkerssource.com/b...-birch-plywood-why-its-better-when-to-use-it/

What out for the Chinese version, I have heard from some that it is not the same thing. If it's a 5ft x 5ft sheet, it's probably the real thing. If it is bigger than that, it is NOT Baltic Birch and is probably Chinese.

There is another version of the nice-consistent-inner-plies-plywood called ApplePly ($$$ though).

Or you can just go with some B-C ply. Or A-C. I'd probably not use CDX, even if it is 'just' garage shelves.

https://www.ezwoodshop.com/plywood/plywood-grades.html

Just some more info for you.

Mitch,Since your wall studs are probably 16" on center, and you are putting shelf brackets into those studs, then the shelf brackets will end up being 16" OC.Use adequate "structural" SCREWS to hold the shelf brackets to the studs. As in lag screws or their 'modern' replacement, like GRK RSS (Rugged Structural Screws, I didn't name them).No predrilling (usually) needed with the GRK RSS, so that is an advantage over lag screws.Remember, the shelf edging goes with the big dimension vertically for best deflection resistance. And fasten the edging solidly to the shelf (glue and screw. or glue and brads to hold the strip in place while the glue dries, or glue and clamp until the glue dries).A 'nice' but not 'fancy' plywood is Baltic Birch Plywood. Decent face veneers and consistent inner plies with no/minimal voids, you can often leave the edge as-is if you want to. Comes in 5x5 sheets (mm x mm actual), and metric thicknesses (but might be listed as a nearest-equivalent inch dimension).What out for the Chinese version, I have heard from some that it is not the same thing. If it's a 5ft x 5ft sheet, it's probably the real thing. If it is bigger than that, it is NOT Baltic Birch and is probably Chinese.There is another version of the nice-consistent-inner-plies-plywood called ApplePly ($$$ though).Or you can just go with some B-C ply. Or A-C. I'd probably not use CDX, even if it is 'just' garage shelves.Just some more info for you.

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