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Forum topic by swampjack80 posted 03-31-2010 06:10 AM 913 views 0 times favorited 4 replies Add to Favorites Watch
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swampjack80

53 posts in 2510 days


03-31-2010 06:10 AM

Hey everybody, 1 quick question. I’m making a chest of drawers and ordered 1\4” birch ply for the drawer bottoms thinking I would be getting a full quarter inch sheet. Turned out to be 3\16. Would that be strong enough or should I swap it for some full 1\4” ? The drawers are about 30×14. Thanks
.

-- "I believe that our Heavenly Father invented man because he was disappointed in the monkey." - Mark Twain


4 replies so far

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Michael Murphy

452 posts in 2467 days


#1 posted 03-31-2010 06:26 AM

Sorry, but that’s about right for 1/4” ply.

Assuming you are at least dadoing the bottoms into the sides, if not all the way around, and attaching the bottom to the front and back of the drawer, you should be ok as long as the drawers are less than 30” wide. If the drawers are larger then glue some stiffeners onto the bottom of the panel to make it a bit more rigid. ( The same thickness stiffener as the bottom is recessed into the drawer.)

Plywood, even 1/4” is pretty strong. It may bend but it takes work to break it if you build things right.

-- Michael Murphy, Woodland, CA.

View a1Jim's profile

a1Jim

115202 posts in 3039 days


#2 posted 03-31-2010 06:35 AM

I agree with Michael

-- http://artisticwoodstudio.com Custom furniture

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swampjack80

53 posts in 2510 days


#3 posted 03-31-2010 06:58 AM

Ok. Yeah I’m going to dado all 4 sides. Plus the drawer slide will be in the middle underneath so that should help brace it more. Thanks for the help. Speaking of drawer slides, I made mine dovetailed like the ones in the rockler mags. How do you guys suggest I attach them to the frame and drawers? Trim nails or screws or what?

-- "I believe that our Heavenly Father invented man because he was disappointed in the monkey." - Mark Twain

View TomHintz's profile

TomHintz

207 posts in 2860 days


#4 posted 03-31-2010 09:37 AM

I also agree your plywood is more than adequate for normal sized drawers.
I have a chart that shows nominal wood thicknesses these days that might help with this in the future. I’m not sure how we got this way but we did so we have to learn to live with it.

Wood thicknesses

-- Tom Hintz, www.newwoodworker.com

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