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The Best Garage Floor Repair Products

You need to clean the floor for any repair. You will need brushes, de-greasers and grinders to prep the floor for repairs. Here are the best products for fixing the garage floor, based on the garage repair discussions in the following articles (opens in new windows on this site). Here are the best garage floor repair products mentioned in the garage floor articles listed at the bottom of this page.

The Best Concrete Floor De-Greaser

Oil Eater de-greaser

Oil Eater is hands-down one of the best de-greasers I’ve ever used. It removes caked-on grease and old oil stains from concrete, asphalt, and fabric. Some stains take a few applications, but no stain is safe with Oil Eater around. Use Oil Eater to remove oil, grease, and sticky substances from the concrete. Use undiluted on concrete, but if you use it in the house, diute Oil Eater with water according to the directions. One of the reasons I prefer Oil Eater is that it is safe for septic systems. De-greasers often contain materials that muck up septic tanks. For light grease, you can probably let it sit for a moment, brush it a bit with a push broom and then rinse if off. For deep stains, scrub the stain with an undiluted dose and a stiff brush. Allow the de-greaser to sit for at least 10 minutes before rinsing. Stains usually come up in one try, but stubborn stains might take two rounds. View the Oil Eater options below.

Sale $2.00
Oil Eater AOD1G35437 Original 1 Gallon Cleaner/Degreaser
4,910 Reviews
Oil Eater AOD1G35437 Original 1 Gallon Cleaner/Degreaser
  • Safely dissolves grease and oils on most everything, product contains no acids, abrasive or petroleum solvents and is water based and biodegradable so safe for all uses even in septic systems
  • Non toxic, non-corrosive, non-hazardous, USDA approved for non-food surfaces, call the toll free help line for professional cleaning advice
  • Concentrated product, use the dilution chart on each bottle to achieve maximum product performance and value
  • Household uses: Laundry precept, floors, carpets, tub/tile, grills, decks, asphalt and concrete driveways, stoves, boat hulls, white wall tires, siding and more
  • Industrial uses: Engines, machinery, floor scrubbers, tools, pressure washers, parts washing, exhaust hoods, and more, used in restaurants, quick lubes, garages, production facilities, HVAC and more
  • Just add water for the perfect light and medium and heavy duty cleaner

The Best Angle Grinder for Concrete Floor Repair

DeWalt angle grinder and case

You use an angle grinder to expand a low spot or widen a crack before repair. This is to get a clean and smooth surface to repair. My favorite angle grinder is the DeWalt DWE402K. This is the angle grinder that is designed to grind in close spaces. Multiple safety features are built into the design. The DeWalt has an excellent reputation for ease of use an ddurability. Angle grinders are dangerous. Take precautions. PLEAE NOTE: This is a spark-throwing tool, so be sure you:

  • (a) wear safety equipment and
  • (b) understand how to safely use the angle grinder

View the DeWalt grinder on Amazon:

DEWALT Angle Grinder Tool, 4-1/2-Inch, 11-Amp (DWE402K)
673 Reviews
DEWALT Angle Grinder Tool, 4-1/2-Inch, 11-Amp (DWE402K)
  • 11 Amp AC/DC 11,000 RPM motor of the angle grinder is designed for faster material removal and higher overload protection
  • Dust Ejection System provides durability by ejecting damaging dust and debris particles that enter the metal grinder through the air intake vents
  • DEWALT angle grinder comes with low profile gear case allowing access into tight spaces
  • Quick-Change wheel release allows tool free wheel removal without the need for a wrench
  • One-Touch Guard allows for 360 degree rotation of the guard in a single action
  • Paddle switch with safety lock-off prevents accidental start up
  • Matching wheel flanges allow the use of common accessories

The Best Crack Chasing Blade for Concrete Floor Repair

crack chase

Crack chasing blades come in many sizes. The DeWalt angle grinder above takes 4 in. disks. In case you aready have a grinder and need a disk, the EDiamondTools crack chaser blade comes in 21 varieties. I don’t own an EDiamondTool blade myself, so I looked at the reviews.

  • “Cuts like a hot knife through butter.”
  • “A bit pricey, but very well made and durable.”
  • “Worked fast, expanded crack to 1/2 inch opening”
  • “Great product, easy to use and works great, very durable. I’m very happy with this product.”

This blade has 97 ratings and they’re all like this. I don’t see how you can go wrong with this crack chasing blade. View your blade options beow.

Crack Chaser Blade for Concrete, Asphalt Repair - 4' Diameter 0.25' Width 7/8'-5/8' Arbor
236 Reviews
Crack Chaser Blade for Concrete, Asphalt Repair - 4" Diameter 0.25" Width 7/8"-5/8" Arbor
  • Designed for routing and repair random cracks in cured concrete, asphalt, and other building materials.
  • Also used for decorative scoring and joint widen in masonry.
  • Angle ginder / crack chaser saw - dry or wet
  • 0.25" segment width
  • 7/8"-5/8" Arbor

The Best Non-Acid Concrete Etcher

Best concrete etcher

Etching the garage floor ensures it will most readily accept paints, stains, and sealants.  This used to be done with acid, but that has hazardous downsides. Rust-Oleum Clean & Etch does everything muriatic acid does, without the fumes or burning. This is the acid-substitute etching product that has no odors, no acid, and no dangerous chemicals. It does not need to be diluted after application the way acid does. It’s harmless to plants, pets, and kids. This bottle will treat up to 500 square feet of concrete garage flooring. While you don’t need to neutralize Clean & Etch after application, you should rinse the floor three times to ensure no product is still etching your concrete. View the Etcher on Amazon:

Rust-Oleum 301242 Clean & Etch
426 Reviews
Rust-Oleum 301242 Clean & Etch
  • Prepares unsealed concrete floor surfaces like garage floors, basements, driveways, carports, patios, walkway and pool decks for concrete coatings and stain
  • Formula free of odors, dangerous chemicals and does not need neutralizing after application
  • One gallon covers up to 500 sq. Ft
  • Additional cleaning properties ensure Oil and grease spots are removed prior to coating
  • Environment friendly, safe to use near plants and grass

The Best Concrete Floor Densifying Sealer

PS104 Lithium Densifying Sealer

Concrete Sealer USA’s PS104 merges the best qualities of a densifier and a sealer in one easy-to-apply product. PS104 prevents concrete breakdown from salt and water exposure. After application, the floor is stronger, and better able to resist pitting and spalling. You will still be able to paint the floor after application, if you choose to paint your garage floor. View the PS104 Densifier Sealer below.

PS101 Siliconate Water Repellent WB Penetrating Sealer (1 Gallon)
60 Reviews
PS101 Siliconate Water Repellent WB Penetrating Sealer (1 Gallon)
  • Zero VOC, Water Based Sealer for Unsealed and Uncolored Smooth Troweled Concrete
  • Restricts Moisture Absorption, Imparts Water Repellence
  • Combats Freeze/ Thaw, Reduces Scaling & Spalling
  • Resists Salts & Deicing Chemicals, Decreases Efflorescence
  • Limits Dirt Buildup, Retards Organic Growth, Makes Easier to Clean

The Best Polymerized Patcher for Small Concrete Repairs

Sakrete Top 'N Bond

Use Sakrete Top-n-Bond to patch small areas of spalling, pitting, or low spots up to about 1.5 in. deep. Polymerized concrete is a sand, polymer and concrete patching material. As new concrete will not stick cured concrete, the Sakrete polymer forms the bond. You do not need to mix parts together as you would with an epoxy product. Add Sakrete and water to a bucket. You do need to act quickly after adding water, or the concrete patch will harden.. Apply the mixture with a trowel. Err on the side of mixing in too little water until you’re happy with the consistency. You have 20 minutes from mixing to feathering, so only mix what you can use. Sakrete Top ‘N Bond is easy to apply and dries to a rock hard and level finish. One 10 lb. pail covers 4 sf. at 1/4 inch depth. You can walk on it after one day, and drive on it after three days. Learn more on Amazon, below:

SAKRETE | Top 'N Bond Concrete Patcher | 10 lb
28 Reviews
SAKRETE | Top 'N Bond Concrete Patcher | 10 lb
  • Use for repairing cracks in concrete slabs, driveways and sidewalks, and leveling uneven concrete surfaces
  • Use for curbs, stairs, concrete overlays, and large masonry crack repairs
  • High Strength 5,000 psi
  • Applications feather edge to 1/2”
  • nitial set in 3 hours

The Best Polymerized Patcher for Large Concrete Repairs

Floor-Tex Topcoat Sealer

Sakrete Flo-Coat Concrete Surfacer is the best polymerized concrete patch for large areas. After prepping areas of spalling, pitting, cracks or uneven surfaces, use Flo-Coat to fill and level the repair. Flo-Coat is a slush you apply with a squeegee rather than a hand-held trowel. If you have any cracks that are 1/8 inch wide, mix a small portion with less water. Trowel this tougher mixture into the crack before using the looser mixture. When mixed with the correct (looser) ratio of water, Flo-Coat flows into the damaged area, covering it with a medium gray concrete bond. Flo-Coat fixes cracks and damage up to 1/2 in. deep. At about 1/4 inch of layering, 20 lb. of Flo-Coat covers 9 sf. At about 1/16th inch per layer, 20 lb. will yield 36 sf. of coating. You can add red or buff color pigment to your mixture. Apply when the temperature is between 50 and 90 deg. F.

SAKRETE | Flo-Coat Concrete Resurfacer | 20 lb
10 Reviews
SAKRETE | Flo-Coat Concrete Resurfacer | 20 lb
  • Makes old, worn concrete look like new
  • Highly flowable material for resurfacing large areas of concrete
  • Easy to apply with a lightweight squeegee
  • Polymer modified for superior bonding strength

The Best 3-Part Epoxy Patch for Big Concrete Cracks

Epoxy Patch

Epoxy Patch is the best three-part concrete crack repair system. This is the patching epoxy that dries 10 times stronger than regular cement. It can be applied to cracks up to 1 inch thick. Epoxy Path creates a 100% waterproof crack repair. You can also use it to fix holes and pitting in concrete, as well as asphalt, wood and metal. Epoxy Patch is a resin-hardener-aggregate kit that dries in about one hour and cures in two to a medium gray color. You have an hour to work with the mixture, which is much longer than other epoxies give you. Note to New Users: Please remember that you have to work within the product guidelines. I have to shake my head at someone blaming the epoxy when they used the product incorrectly. Fill deeper cracks with sand. Don’t just pour Epoxy Patch into a vast canyon of a crack. If you’re at all concerned that the crack is structural, get a professional to assess the damage. Don’t expect a crack filler to fix a flood under the concrete structure. This product fills cracks with a hard, expanding, waterproof patch. Learn how to diagnose a structural crack in our article: How Do You Fix Garage Floor Cracks? For up to 1 inch wide x 2 in. deep cracks, fix it with the easy to use Epoxy Patch. Learn more at the Amazon link below.

3 Part EPOXY Mortar Patching System - Contains Resin, Hardener & Aggregate. Fills Cracks, Holes, Pits & More! Bonds to Concrete, Asphalt, Wood & Metal. (50 lb Pail)
80 Reviews
3 Part EPOXY Mortar Patching System - Contains Resin, Hardener & Aggregate. Fills Cracks, Holes, Pits & More! Bonds to Concrete, Asphalt, Wood & Metal. (50 lb Pail)
  • 100% Solid epoxy filler for cracks, holes & pits bonds to concrete, asphalt, wood, and metal.
  • 10 Times stronger than regular cement because of the 2 extra strength liquid epoxy mixtures and strong bonding capabilities.
  • Easy to use, weatherproof, & 100% waterproof formula that will not crack or break even under the most extreme conditions.
  • Perfect to be applied to cracks up to 1 inch thick. Can also be used for anchoring equipment, including posts & signs.
  • The density of the epoxy mix is like a paste.

The Best 3-Part Epoxy Patch for Larger Spalling, Pitting and Holes

Rust-oleum TurboKrete Concrete Patching Compound

Rust-Oleum TurboKrete Concrete Patching Compound is the best 3-part epoxy patching compound for larger areas of concrete spalling, pitting, cracks and holes.  This is the epoxy that fixes relatively large and severely damaged spalled and pitting. TurboKrete compound dries to 3x stronger than concrete. Walk on it in 4 hours. TurboKrete requires careful planning. From the time you mix the aggregate, base and activator you will have 20 minutes to set it in place. It’s really important to be ready to use the TurboKrete as soon as it’s mixed. Mix up the amount you’re about to put down in a 10 minute period. It dries in the bucket  after 20 minutes. Sand is included with the product. The more sand you use, the tougher it will be to trowel. The product will work fine if you hold back up to a third of the sand. Unlike other epoxies on this page, TurboKrete is not readily mixable by hand. Use a drill-powered mortar mixer. Apply TurboKrete only between 45 and 90 deg. F. It will dry to a light grey. Get TurboKrete on Amazon:

Rust-Oleum 253479 Concrete Saver TurboKrete Concrete Patching Compound, 2-Gallon, Light Gray
31 Reviews
Rust-Oleum 253479 Concrete Saver TurboKrete Concrete Patching Compound, 2-Gallon, Light Gray
  • Protects against abrasion, impact and most chemicals; no sealer required
  • Creates an extremely hard surface; 3-4 times stronger than concrete
  • Dries quickly; Can accept light traffic in 1.5-4 hours; heavy traffic in 6-8 hours
  • For interior/exterior use on damaged or severely spelled floors, curbs, ramps, etc.; odorless; Easy-mix kit includes base, activator and aggregate
  • Made in the USA
ABN Power Drill Mixer Attachment - Paint, Cement, Grout, Thinset Material Bucket Mixer 5in x 24in
164 Reviews
ABN Power Drill Mixer Attachment - Paint, Cement, Grout, Thinset Material Bucket Mixer 5in x 24in
  • Practical: The ABN Thinset Mixer 5” x 24” Inches – Electric Power Drill Attachment Bit for 5 Gallon Grout / Mortar Mixing Cans Buckets is your no-hassle mixing solution for all small-scale masonry needs
  • Versatile: Mix mortar, concrete, joint compound, grouts, and other thinset materials; Use with any electric power drill
  • 1-5 Gallons: Can mix 1 to 5 gallons in most cans and buckets
  • Features: Chrome plated for easy cleaning - Solid metal construction; 5" wide mixing head; Easy to use and to clean; Hangable
  • Contents: Package includes (1) Thinset Mixer (Power drill and bucket not included)

The Best 2-Part Epoxy Patch for Smaller Concrete Cracks and Spalling/Pitting

Rust-Oleum Concrete Patch & Repair Kit

Rust-Oleum Patch & Repair is the best 2-part epoxy patch repair for concrete cracks up to 1 inch, and small areas of spalling/pitting. This tried-and-tested concrete patch dries in 8 hours. It will permanently bond to the existing concrete. Patch & Repair dries to a medium gray. You can paint it a day after curing, but  wait until warm weather for best painting results. You have a 30 minute working time before the mixture starts to harden. The repair dries 3x harder than concrete. Patch & Repair fixes cracks up to 1/2 inch, but users often find it can handle larger cracks than promised. View Patch & Repair on Amazon:

Sale $6.39
Rust-Oleum 301012 Wall-Surface-Repair-Products, Gray
417 Reviews
Rust-Oleum 301012 Wall-Surface-Repair-Products, Gray
  • Ideal for indoor/outdoor use to repair concrete cracks and holes in concrete
  • Two-part, industrial-strength epoxy permanently bonds concrete without shrinking or cracking
  • Fast curing product contains no unpleasant orders and allows concrete to be painted or coated in 8 hours
  • Creates an extremely hard surface that is stronger than concrete
  • Universal product works with any concrete coating

The Best Self-Mixing Epoxy Crack Repair for Hairline Cracks

RTG Concrete Crack Filler

RTG Concrete Crack Filler is an epoxy, but you don’t have to mix it on cardboard or rush to apply it before it gets hard. That’s because RTG mixes the resin and hardener for you, right inside the dispensing tube. As you push the bottom of the applicator, two cartridges release their epoxy components into the tube. You get a mixed epoxy crack filler right out of the mixing tip. RTG gives you a waterproof crack repair up to 1/2 in. wide. Install the applicator into a caulking gun, aim and fire. It’s best if you wait for warmer weather to apply RTG. Wait until it’s at least 55 deg. F. Paint after one day. View RTG on Amazon.

RTG Concrete Crack Filler
30 Reviews
RTG Concrete Crack Filler
  • Thickened, waterproof epoxy caulk for quick repairs to small concrete cracks, holes, and seams
  • Easy to use, cures fast. Adheres strongly to concrete, cement, mortar and masonry.
  • Flexible, waterproof sealant outperforms traditional latex-based sealants.
  • No mixing, no mess. Caulk is mixed and dispensed automatically via included mixing tips.
  • 185 ml. cartridge fits standard caulk guns. Includes 2 mixing tips.

Concrete Repair Product Cheat Sheet

To Fill Small Concrete Cracks:

  • Use a Polymerized Concrete Patch to fix small low spots, pitting, cracks, small holes, and spalling
  • Use a 2-Part Epoxy Patch to fix small concrete cracks, spalling or pitting areas

To Fill Large Concrete Cracks:

  • Use a Polymerized Concrete Patch to fix large low spots, pitting, cracks, small holes, and spalling
  • Use a 3-Part Epoxy Patch to fix large holes, pitting
  • Use a 3-Part Epoxy Patch to fix large concrete cracks

To Mix Concrete Repair Materials:

  • Use a power drill mortar mixer to mix epoxy parts

To Prepare Concrete for Repair:

  • clean garage floor cracks with a wire brush
  • vacuum cracks after brushing
  •  
  •  
  •  

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