Zhuanzirotor.com / Woodiness Materials / Wooden Beam / Batten / Looking for a beam spec for spanning a 20 foot section of

Looking for a beam spec for spanning a 20 foot section of

Website URL: https://www.justanswer.com/structural-engineering/7mmjc-looking-beam-spec-spanning-20-foot-section-floor.html

Category: Wooden Beam / Batten

Looking for a beam spec for spanning a 20 foot section of floor. Load will be center span between rooms above that are 10 ft. and 13 ft. width.