Learning About General And Specialty Contractors

How To Remove And Seal A Trip-Hazard Crack In Your Concrete Sidewalk

If your sidewalk has cracked, and an uneven edge has developed between the adjoining segments, then you will need to address this problem before someone trips and falls. Sidewalks with sections that are not equal in height are unsafe, and they also make the use of wheeled conveyances, such as wheelchairs, difficult. Fortunately, correcting the problem is fairly straightforward and simple for homeowners who are experienced working with small power tools. Below is more information on how you can correct a tripping hazard yourself and what you will need to accomplish the task:

Tools and materials needed

  • Angle grinder

  • Diamond cutting wheel

  • Masonry grinding cup wheel

  • Broom

  • Epoxy designed for use with masonry

  • Pointing trowel

  • Eye protection

  • Hearing protection

  • Clean sand

Step-by-step procedure

1. Prepare for working safely - An angle grinder can become a dangerous object if misused. It is capable of cutting off fingers, throwing debris at high speeds that can blind or maim, and even causing hearing damage. That is why you must protect yourself by adopting safe work habits when using an angle grinder on this project. Always wear ANSI-approved eye protection and be sure to clear away loose debris from the work area before using the grinder. In addition, watch your fingers and keep them well away from the cutting or grinding wheel. Never detach any guards that are designed to protect you from debris or from making accidental contact with the wheel. Finally, wear earplugs or noise-suppression muffs to protect your hearing from the loud noise made by the machine.

2. Remove the high edge with a cutting wheel - Once you have your eye and hearing protection in place and have cleaned the area around the crack with a broom, you are ready to begin cutting down the high edge. Attach a diamond cutting wheel to your angle grinder and hold it at a shallow angle just above the "cliff" formed by the high edge of the concrete. Turn on the angle grinder and slowly lower the cutting wheel on to the "cliff" and begin slicing off the high edge. Be careful not to dig too deep, and avoid working quickly; instead, take shallow, small cuts out of the concrete. If the debris builds too much and becomes an obstacle or is being slung around by the grinder, then pause cutting and clear away the small chips and pieces with your broom. Once the high edge has been largely removed, you are ready to begin the finer work of grinding.

3. Grind the edges to create a smooth transition - After clearing away loose debris left over from cutting, remove the diamond cutting wheel and attach a masonry grinding cup wheel to the angle grinder. Next, slowly apply even downward pressure to the grinding cup wheel so it makes contact with both the higher side and lower side of the crack. Move the wheel in slow circles over the entire area, and keep close watch to ensure you create an even surface with no discernible transition between the two sides. Again, if the debris builds too much, stop grinding for a few seconds and sweep away particles that are in your way.

4. Fill the crack with epoxy - The last step after cleaning out the crack and general vicinity of the crack is to fill the crack to prevent erosion and chipping of the edges. Begin by filling the crack with a mixed epoxy designed for masonry use; you can either use a caulk gun self-mixing epoxy or a standard two-container kit, depending on which you prefer. As you fill, be careful not to add too much epoxy, and work slowly to prevent making messy overruns. Once the crack is filled to your satisfaction, use the edge of a pointing trowel to gently scrape away excess epoxy and smooth the surface. Generously sprinkle clean playground sand over the epoxy, and allow the epoxy to dry for the period of time as directed by the manufacturer. Brush away excess epoxy and sand once it has dried.

If your sidewalk has too many cracks to repair on your own, a company like Bituminous Roadways, Inc. can be a valuable resource.

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Learning About General And Specialty Contractors

Hello, I’m Vern. I would like to share my knowledge about contractor services on this site. My home developed a horrible leak in the attic after a big storm last year. The water damaged the ceiling in my living space before I noticed the leak. The general contractor helped me stop the leaking water, fix the ceiling and hire a specialty roofing subcontractor to handle the roof repairs. I would like to dedicate this site to explore all of the services offered by contractors. I hope to talk about both general and specialty contractors in detail. Thanks for visiting my website.