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Old 03-05-2011, 08:45 AM   #14
Mountain Tile
Tile Contractor -- Northeastern PA.
 
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Join Date: Apr 2006
Location: Phila Pa area
Posts: 3,085
Cx, I can't produce numbers on my method, but yes it creates a very strong joice and will decrease deflection. If you really think about it, it's like your creating an engineered beam, Stand a piece of ply on edge and it's extremely rigid, attach it to exsisting lumber and you've increased the strength trememdously. Not trying to be argumental or give undocumented info, just saying this is how I myself handle these situations. Cut an 8" strip of ply and stand it on edge and try to make it bend, not gonna happen, it's almost as strong as steel on edge, lay it flat, different story.
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