Construction Performance Guidelines
TWISTING OF OPEN-END BEAMS
Twisting of visible open-end beams in excess of 13 mm from plumb is not acceptable.
One-Year - Work and Materials. · Twisting resulting from normal shrinkage caused by drying after construction is excluded from warranty.
Open-ended beams twisted more than the acceptable condition shall be repaired.
An open-end beam is a wood beam whose end does not abut another framing member or that terminates in open air. Minor twisting is primarily an aesthetic concern rather than a structural problem.