http://www.poolandspaenclosuresusa.com The unique structure of the SPA DOME ORLANDO consists of aluminum profiles whose surface is finished with fired color. Its panels are made of transparent compact polycarbonate or relief transparent bronze polycarbonate which conveys a discrete look.This spa or hot tub enclosure has an easily assembled base, which must be anchored to a level foundation material such as concrete, composite/wood decking, ceramic block, or pavers.