Lumber grade

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Old 03-22-11, 05:28 PM
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Lumber grade

I am planning to repair a small out building I have and need to make a few rafters.
Just wandering if I should be using a special grade lumber.
We have a Menards that is close to us and would like to go there.
I know menards usually has the cheaped of cheap.
But maybe there ( I believe select grade ) is the best they have?
Would that work?
 
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Old 03-22-11, 06:19 PM
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Their "select" is probably #2, which is perfectly fine for your application. Pick and choose the boards with the least knotholes and other boogers, so the strength will be there.
 
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Old 03-26-11, 05:40 AM
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Measure the span between supports (probably your outside walls). Take this to them and they will use a span chart to see what the most economical grade, size and spacing will be for your rafters.
 
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Old 03-26-11, 06:08 AM
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Or Maximum Span Calculator for Joists & Rafters while you are doing your planning.
 
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Old 04-01-11, 01:28 PM
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http://www.sbcindustry.com/images/pu...r%20grades.pdf
Plywood Grade (1-2) – US Plywood Standard (APA PS1-95 Construction and Industrial Plywood) - See See Plywood
Here is a link to the types of lumber grades found in all types of construction, and under it is an article on plywood grades. Might be helpful.
 
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