Cut long, laser-straight control joints across expansive concrete pours with maximum straight-line stability. The Marshalltown 15551 24" Control Joint Hand Groover acts as its own straight edge to eliminate wandering and joint waviness.
On wide commercial slabs, warehouse floors, and long residential driveways, maintaining a true, straight line over multi-foot spans can be difficult with short hand tools. The 15551 solves this with an extended 24-inch extruded aluminum blade footprint that bridges minor surface dips and tracks perfectly straight across the slab. Equipped with a 1-1/2-inch deep bit and a 1/4-inch edge radius, this groover forms deep, clean stress-relief slots that direct curing cracks while creating smooth, chip-resistant radiused margins. Crafted from high-strength aluminum alloy, it delivers heavy-duty leveling leverage without adding tiring weight or rusting.
Extra-Long 24-Inch Straight-Edge Footprint: Extended length guides the tool in a perfectly straight line across wide slab spans without twisting or wandering off mark.
1-1/2" Bit Depth with 1/4" Radius: Cuts deep, specification-grade stress-relief joints that guide slab cracking while leaving clean, burnished radiused borders.
Lightweight Extruded Aluminum Alloy: High-strength aluminum body resists bowing, rust, and corrosion while offering a balanced, non-sinking operational feel.
Smooth Non-Stick Slurry Clearance: Low-friction metal finish allows smooth gliding across wet concrete and cleans in seconds with a quick water rinse.
Ergonomic DuraSoft® Cushion Grip: Outfitted with Marshalltown's soft DuraSoft handle to dampen vibration, prevent hand slipping, and minimize wrist strain during long passes.
Commercial & Wide Slab Control Joints: The premier hand groover for large warehouse floors, wide commercial aprons, long driveways, and expansive patio pours.
Deep Joint Crack Prevention: Delivers a full 1-1/2-inch slot depth to meet commercial specification requirements on thicker slab pours.
Decorative Border Patterning: Creates crisp, long-run accent lines and grid patterns across decorative concrete layouts.
Part Number / EDI: 15551
UPC: 035965055512
Blade Dimensions: 24" x 4-1/2" (610mm x 114mm)
Bit Depth: 1-1/2" (38mm)
Bit Radius: 1/4" (6mm)
Blade Material: Extruded Aluminum Alloy
Handle Style: Straight DuraSoft® Grip
Country of Origin: Made in the USA with Global Materials
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