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Category 02 · 1 product

Concrete Repair

Repair mortar for cracked or damaged slabs, steps, walkways and masonry.

Fixing asphalt instead? Asphalt repair →

For concrete & masonry

Mix Master Concrete Repair Mortar

A two-part, polymer-modified mortar that patches, rebuilds and resurfaces damaged concrete. It goes on from a feather edge up to 1 inch, or up to 4 inches when extended.

  • Filling pits, voids and surface defects
  • Patching damaged or deteriorated concrete
  • Refinishing older concrete and masonry
  • Topping and resurfacing projects
Foot traffic
About 4 hours
Rubber-tire traffic
About 12 hours
Strength
Up to 5,000 PSI after 28 days
Sizes
Small, medium and large kits
Full product details & specs →

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See it in action

Watch Mix Master go on

FAQ

Questions before you start

How deep a repair can it handle?

From a feather edge up to 1 inch without aggregate, or up to 4 inches when properly extended.

When can I walk or drive on it?

It's open to foot traffic in about 4 hours and to rubber-tire traffic in about 12 hours.

Can I use it indoors, on walls or overhead?

Yes. Mix Master works for interior and exterior repairs on horizontal, vertical and overhead surfaces.

Which size do I need?

It comes in small, medium and large kits. If you're not sure how much your project needs, ask through the contact form.

Can I use Tornado Crackfiller on concrete instead?

No. Tornado and Gator-Nado are made for asphalt. Mix Master is the one for concrete and masonry. For asphalt driveways and lots, see asphalt repair.

Tornado Crackfiller 1-gallon jug

Working on asphalt?

Need a driveway crack filler?

For blacktop driveways and parking lots, use Tornado Crackfiller or Gator-Nado.

Asphalt repair