CRS provides Leister Hot Air Welders due to their impeccable quality and large product variety for the commercial roofing industry. We stock the hand-held Triac ST for detail work, or various hot air robots for TPO, PVC, EPDM and Bitumen welding.  If you do not see what you are looking for, please call us at 1 (800) 267-2308 and as for an E-Commerce Representative.