Measure from major of attic floor right down to garage ground for appropriate device. We can go up to 20’ (ground to floor) remember to never measure to ceiling. Measure ground to ground. Perform from where ever in town is effortless for the or your crew on that working day. https://smartplatformlifter76420.thebindingwiki.com/7355873/the_smart_trick_of_garagesmart_lifter_that_nobody_is_discussing