2 - Big Ass Fans

8’–24’ POWERFOIL ® X2.0 WASHDOWN & POWERFOIL ® X2.0PLUS WASHDOWNMounting Structure: Bar JoistsBig Ass Fans can only be hung from an I-beam or bar joists. See the previous page for I-beam mounting instructions.Consult a structural engineer for installation methods not covered in this manual.WARNING: The fan should not be installed unless the structure on which the fan is to be mounted is of soundconstruction, undamaged, and capable of supporting the loads of the fan and its method of mounting. A structuralengineer should verify that the structure is adequate prior to fan installation. Verifying the stability of the mountingstructure is the sole responsibility of the customer and/or end user, and Big Ass Fans hereby expressly disclaims anyliability arising therefrom, or arising from the use of any materials or hardware other than those supplied by Big Ass FansWARNING: Never use beam clips when mounting the fan to angle irons! Beam clips are only intended for I-beaminstallations.CAUTION: Do not install the fan from a single purlin, truss, or bar joist.CAUTION: The angle irons must be fastened to the roof structure at each end.1. Select proper angle ironsAngle iron spanMinimum angle iron dimensionsNumber of angleirons needed Angle Iron Side View(see table for dimensions)HeightWidthThickness6’ (1.8m) or lessover 6’ (1.8m) - 8’ (2.4m)over 8’ (2.4m) - 12’ (3.7m)WWW.BIGASSFANS.COM ©2012 DELTA T CORP. DBA BIG ASS FAN CO. ALL RIGHTS RESERVED