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Hey everyone!

I'm just getting started in 'fine' woodworking. My first project will be a dvd/blu-ray shelf. I have most of it planned out, but I'm concerned about the span.

I'm planning on making the shelf(floor standing btw) 41" wide with 40" shelves set in 1/4" dados. Was planning on just using #2 pine for this for 2 reasons. 1, I will probably mess up a few time and 2, I am painting this black so grain doesn't matter.

My concern is sag. DVD/Blurays aren't that heavy but I'm wondering if I will get sag regardless at that span, and if there is anything I can do without putting supports in. If I use 1/4" plywood on the back and glue each shelf to it, will that help support? What about nails in the back?

If I should use dividers, just tell me(although I'd rather not :) ).
 

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Discussion Starter · #3 ·
Thanks for the link. I tried it out using Eastern Pine. Span of 40" width of 7" (7 1/4" boards minus 1/4 for the rabbit around the back). and a thickness of 3/4". Came out to .02" of sag per foot. So I don't think it will be too bad especially if I glue and even nail the plywood back to the shelves.

Thanks again!
 
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