"Ted Edwards" wrote in message
...
How much difference is there in strength between common construction
lumber?

There are various grades of lumber which can vary the maximum stress from
600 psi to 1600 psi - depending on species.

Sincerely,


Donald L. Phillips, Jr., P.E.
Worthington Engineering, Inc.
145 Greenglade Avenue
Worthington, OH 43085-2264


(remove NS to use the address)
614.937.0463 voice
208.975.1011 fax

http://worthingtonengineering.com