Hey, welcome to the forum, we love new people 
My recommendation is that you don’t. Lowes is a materials source of last resort.
Check out 1a:
If you tell us your closest city, we might be able to give specific recommendations, it’s amazing what you can figure out with just google maps.
Absolutely, but I would recommend following the process outlined in #6 on that guide instead of throwing darts at the proofgrade settings.
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