DIY Home Repair Forum: Carpentry and Woodworking
12-21-2009, 11:55 AM
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Replies: 8
Views: 14,092
Calculating joist strength
Hi Nestor
The idea of using steel is a good one. There are only two drawbacks that I can see and they are weight and cost. Each 13'-6" peice of 5/8" X 3.5" steel weighs 100lbs and I haven't priced...
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DIY Home Repair Forum: Carpentry and Woodworking
12-21-2009, 11:28 AM
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Replies: 8
Views: 14,092
Calculating joist strength
Thanks very much Nestor for your reply. I was having trouble understanding the formulas and you explained them really well to me. Because of conflicting opinions I hired an engineer to do an analysis...
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DIY Home Repair Forum: Carpentry and Woodworking
12-21-2009, 10:14 AM
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Replies: 8
Views: 14,092
Hi Travelover
Thanks very much for your reply....
Hi Travelover
Thanks very much for your reply. I hired an engineer and he said that a 2by4 on flat glued and screwed to a 2by4 would form a Tee. On top and bottom of the Tee 5/8"T&G Fir Plywood...
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DIY Home Repair Forum: Carpentry and Woodworking
12-10-2009, 11:43 PM
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Replies: 8
Views: 14,092
Calculating joist strength
Hi everyone this is my first post.
Is this true? "bending goes by power of 3, so a 2by6 is 1.6 times thicker than a 2by4 so its going to bend 4X less. Also a 2by8 on edge can carry more than a...
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