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Old 08-15-2011, 01:51 PM   #1
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How much weight will three 2X10's thru bolted together hold on a span of 16 feet

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Old 08-15-2011, 01:58 PM   #2
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That will probably only hold itself

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Old 08-15-2011, 02:04 PM   #3
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Welcome Dan, to the best darn DIY'r site on the web.

You might want to clarify the question slightly, at least in order to get a better answer.

Structural questions or should I say answers always weigh heavy and there is a concern for liability and responsibility that responders need to consider.

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Old 08-15-2011, 02:15 PM   #4
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The real question is how much weight and where your wanting to put on it.

Any time your thinking of bolting sawn lumber together to increase strenght, then you need to start thinking PSL or other options.

Something to consider....you can get more strenght by ripping lengths of 1/2 Struct 1 plywood and nailing/gluing them on both sides of the 2x10. It will add considerable stiffness without that much additional weight.

Once again, the real key is what you want to do with it.

For the record....per typical building codes, the allowable span for 2x10's is 16' using 16" OC. That is for a typical 40 psf load.
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