Every Pioneer pre engineered steel building has 118 years of know how behind it and a 20 year mill warranty. The steel used for your pre engineered building will have a minimum yield point of 50 KSI with a minimum tensile strength of 65 KSI, ASTM A792 grade. Each pre engineered steel building customer will be supplied with blueprint engineered drawings sealed by a certified engineer. All metal construction will be in accordance with the ‘Code of Standard Practice’. For additional information on our systems, call 1-800-504-7749 or visit our web site www.pioneerbuildings.com.