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| Hi,
I've checked past posts re shelf sag, but I don't think I saw any with as long a shelf span as I'm planning. We are building a pantry, size 53" x 90". Shelves on 3 sides of the room, 53", 90" and 53". Here's our plan for the shelving: - 1x2 cleats nailed into studs - 3/4" thick birch plywood - 1x2 stiffener on the edges, glued and nailed (we're painting the shelves) Shelf depths range from 8" to 16", though on the 90" run, the maximum shelf depth is 12". Do you think the 1x2 cleats offer sufficient support or would you recommend additional support, and if so, what span?
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Follow-Up Postings:
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- Posted by sombreuil_mongrel (My Page) on Thu, Nov 1, 07 at 22:17
| Consider halving the 90" span with a support post. Make the 1x2 edge from maple or a similarly hard wood. Use a flat lap/miter for the corner joint in lieu of the biskit. Casey |
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| Thanks sombreuil mongrel and handymac for your responses! I checked out the sag calculator, pretty nifty. Even though our shelf thickness is 3/4", I entered 1" thick shelves into the calculator given the addition of our 1x2 edging. Do you think that's an accurate reflection? Based on the sagulator, it sounds like we may need support brackets every 30" - 36". Can we notch the brackets so they fit over the 1x2 cleats? Any others with their thoughts? |
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| 36" spans shouldn't be a problem. I build heavily loaded bookshelves at 32" with similar construction, supported by shelf clips at the ends. Rather than brackets, you might consider breaking your runs by using a 1x2 trim piece running floor to ceiling (or top shelf) every 36". You only need it at the front since you have a solid cleat nailed to the wall at the back. |
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