Prefis precracking technique

Prefis precracking technique

• Designed to prevent cracks in road beds treated with hydraulic or pozzolanic binders
• Mounts on tractor-shovel equipment
• Hydraulically-controlled arm comes with vibrating tool and spray nozzle mounted at front of tractor
• Produces furrows up to 16.4 ft. in width and 12.6 in. in depth
• Arm makes transverse furrows at fixed intervals in gravel substrate while injecting bitumen emulsion binder into furrow
• S2C Industrie