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1/2 inch or 3/4 inch plywood?

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  • Member since
    February 2005
  • From: Vancouver Island, BC
  • 23,326 posts
Posted by selector on Friday, February 16, 2007 11:42 AM
 SpaceMouse wrote:

Selector,

I hate to break this to you, but what you are showing me is a box-frame construction to which you've added horizontal pieces (which add a little stability). Not that this is bad, but you are arguing apples vs apples.  

Edit: I missed Mark B.'s last post. He picked-up on it before I did.

You are absolutely correct, Chip...it's a box frame.  Except that, instead of 1X4, the long parallel members are L-girders which make the whole very much stronger along the major axis than had they been mere 1X4's.  I wanted this as light as possible, and 1X4's are light, but not terribly strong as stringers go.  So, I tried L-girder.  Not necessary on the frames, but they sure came in handy under that 5/8" yard module.  Very solid support mid-way for an otherwise saggy plywood.

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