MOBILE SPRAY RIG SYSTEM Fits on Heavy-Duty Gooseneck Trailer An integrated, portable spray rig system enables contractors to avoid the hassle of renting and hooking up equipment from different sources. The system comes with everything the operator needs to apply sprayed polyurethane foam. The mobile spray rig fits on the back of a dual-axle trailer and can be towed by a 3Ú4-ton truck. The trailer is outfitted with all standard safety equipment as well as a heavy-duty diesel generator, air compressor and tank reservoir. All necessary metering and proportioning equipment is fully in place and ready to accurately spray plural component coatings and foams, says the maker. GUSMER CORP.; 800/367-4767; www.gusmer.com