Air casters can not be works on heavily textured floors, broom-finished concrete floors. 

Modular air casters need the floor no cracks, if there have cracks please be filled and put tapes on it. 

Shan Dong Finer Lifting Tools co.,LTD produce all kinds of air casters professionally for more than 20 years, air casters are very powerfully. 

Air bearing casters need to works at flatness, non-porous, non-waters floors. If there have cracks, please filled it and put tapes on it. 

Air moving skates diaphragms are constructed of smooth textured and completely homogeneous material. 

Regarding air casters pictures, air bearing casters price, air moving skates details, air rigging systems more information, please kindly feel free contact us. professionally service hope will get your satisfaction.

Shan Dong Finer Lifting Tools co.,LTD  

Skype: faithjiang888