Tech Specs

Some concrete repair products are tough but do not stick, while others are flexible but do not last. Slab combines the durability, flexibility, and adhesion you need for lasting concrete crack repairs. This easy-to-apply, 100% acrylic latex water-based product is textured to simulate concrete so repairs blend in. Plus, Slab contains no isocyanates or solvents, which means it is easy on your nose and on your planet.

Additional Information

SDS
Specs
Instructions
  • 1

    Gather tools

    You’ll need:
    • Slab
    • Filler Rope™ or other backer rod
    • Drill-mounted brush or stiff bristled brush (grunt grunt “More power!”) for cleaning out the crack
    • Caulk gun
    • Utility knife for opening the caulking cartridge
    • Putty knife or foam brushes for tooling (or your trusty finger)
    • Damp rags for clean-up
    • Some jammin’ crack sealing tunes to make the work go faster

  • 2

    Clean the crack

    If you want your caulking job to stick and stretch for years to come make sure you clean out old caulk dirt sidewalk chalk dandelions ant colonies and other contaminants.

  • 3

    Insert Filler Rope™

    Any crack that’s deeper than 1/2” and wider than 1/4” needs Sashco’s Filler Rope™ or some other type of backer rod so the caulking will properly stretch and so you use less caulking.

    Backer Rod and Slab

  • 4

    Apply the caulk

    Be smooth about it now. A steady hand will save you clean-up later. Make sure the bead is at least 1/4” thick but no more than 1/2” thick to allow it to stretch correctly (too thin and it’ll tear too thick and it’ll be too rigid).

    Slab After Application Driveway Expansion Joint

  • 5

    Tool (smooth) the caulk

    Use a damp foam brush a putty knife or your trusty finger to create a good-lookin’ bead and ensure the caulk is sticking to the sides of the joint properly.

    Slab Expansion Joint Tooling

  • 6

    Clean up

    Use soap and water to clean up skin and tools. Stand back and admire your handy work. Invite your neighbors over to show them too.

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