Joint, Spall, and Crack Repair

Concrete floors are rarely, if ever, perfect. Over time, exposure to heavy vehicle traffic, industrial equipment, tracked-in road salts, or extreme temperatures can cause concrete to crack and spall (break off in small pieces). 

Unprotected joints and imperfections in concrete often lead to the breakdown of floors. Not only is this kind of concrete damage unsightly, but it also represents a trip hazard and a liability to property owners. 

Concrete repair tips:

  • Prior to polishing or installation of epoxy coatings, all cracks and spalls must be properly repaired. Failure to do so can lead to the failure of the flooring system
  • Always blow out dust and debris from cracks
  • Cracks and spall areas should be clean and dry before they are filled with repair materials
  • For larger cracks, use grinder, saw, or hammer and chisel to widen the area for better filling; the repair depth should be at least half an inch 

Without the proper repair material and procedures, the repair will fail leading to a more costly repair as well as additional downtime. Jon-Don highly recommends that all concrete repair work be performed by a properly trained concrete professional. 


Concrete Crack Repair Preparation 



Jon-Don carries a full selection of concrete repair products and equipment that are suitable for a wide range of environments, including indoor, outdoor, deep freeze, or extreme heat. Our concrete fillers can be blended to match the existing concrete surface and give the appearance of a single, neat and clean finish. 

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  1. Perfect Trac Crack Saw

    The Perfect Trac Crack Saw features a low center of gravity and weight-driven design that yields cleaner cuts with less vibration and little to no chipping in the concrete. The solid aluminum construction is durable and lightweight, ensuring this heavy-duty saw holds up well on the roughest jobs.

    • Self-adjusting safety guard
    • Four-way adjustable handle
    • Easy motor replacement
    • Cut to 1.5-inch depth!
    • Uses blade SB-7TIGER90-EA
  2. JS-130 Joint Cleanout Saw with 13 HP Gas Engine

    This gas-powered walk-behind saw is used for joint cleanout, concrete sawing, and trench cutting. The blade guard design with upcut rotation permits easy dust extraction and easy connection to your dust collection system. Cleans joints at a rate of 20–60 feet per minute.

    • Great for joint repair
    • Joint cleanout rate of 20–60 feet per minute
    • 3" max depth cut
    • Uses dry diamond blades
  3. Metzger/McGuire MM-80 Semi-Rigid Epoxy Joint Filler

    MM-80 is a two-component, 100% solids content epoxy joint filler designed to fill, protect, and repair joints and cracks in industrial concrete floors that are subject to hard, heavy wheeled traffic from carts, forklifts, and other vehicles handling heavy loads.

    • Ideal for joint and crack repair in industrial settings
    • Helps protect edges from spalling
    • Shore hardness of A90-95
    • LEED Compliant
    • Other colors available

    Starting at: $52.11

  4. Metzger/McGuire Spal-Pro RS 88 Polyurea, Standard Gray
    Spal-Pro RS 88 is a rapid-setting two-component polyurea polymer liquid of 100% solids content that is specifically designed to fill and protect contraction and construction joints in heavily trafficked industrial, commercial, and retail concrete floors.
    • Rapid setting, 100% solids
    • Hardness of Shore A86-90
    • Fills and protects joints in trafficked industrial and retail concrete floors
    • Other colors available

    Starting at: $32.64

  5. Premium Tuck Point Blades, 0.25 Inch

    Tuck Point Blades are used for the removal of mortar joints and the preparation of masonry surfaces including concrete, block, bricks, pavers, and stone.

    • Premium grade diamond tool
    • Long life
    • Efficient cutting action

    Starting at: $35.00

  6. APB 7" Premium Super Grit Tiger Tooth Blade, 7" x 0.090" x U/A

    Designed for use on handheld saws, the APB Tiger Tooth Blade features oversized diamond grit and will cut a combination of products, from rebar to plastic piping and wood. Tiger Tooth Blades are designed to provide an exceptionally fast, smooth, and efficient cut.

    • Exceptionally fast, smooth cutting of nearly all materials
    • Can be used wet or dry
    • Available in multiple sizes
  7. Premium V-Segment Crack Chaser Blade

    Crack Chaser Blades are brazed and specifically engineered to efficiently clean out and repair cracks and/or imperfections on a wide range of masonry surfaces. For use with angle grinders, circular saws, and tuck pointers for cutting green concrete, block, concrete, hard concrete, pavers, and stone. Dry and wet use.

    • Premium grade diamond tool
    • Long life
    • Efficient cutting action
    • Use dry or wet

    Starting at: $56.00

  8. Premium Tuck Point Blade, 0.375

    Tuck Point Blades are used for the removal of mortar joints and the preparation of masonry surfaces, including concrete, block, bricks, pavers, and stone.

    • Premium-grade diamond tool
    • Long life
    • Efficient cutting action

    Starting at: $40.00

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