Concrete Patches | McMaster-Carr

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Calcium Sulfate (Gypsum)

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For Use Outdoors

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Calcium Sulfate (Gypsum)

Begins to Harden

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Export Control Classification Number (ECCN)

EAR99

Process After Hardening

253 Products

Surface Fillers

Concrete Patching Compounds

Patch concrete floors and stairs

10 products

High-Traffic Concrete Leveling Compounds

Stand up to foot traffic, steel wheels, and heavy blows without cracking

6 products

Large-Area Concrete Patching Compounds

Cover large sections of pitted, worn, and cracked concrete

2 products

Concrete Crack Fillers

Fill cracks in horizontal, vertical, and overhead concrete surfaces

7 products

Low-Temperature Concrete Patching Compounds

Patch concrete floors and stairs in cold environments, such as freezers

4 products

Self-Leveling Concrete Crack Fillers

Fill cracks up to ½" wide and ¼" deep on horizontal surfaces

1 product

Chemical-Resistant High-Traffic Concrete Leveling Compounds

Resist corrosion from acid and chemical spills

2 products

Concrete Leveling Compounds

Repair sidewalks and factory floors in areas with heavy foot traffic

3 products

Concrete Surface Fillers

Fill in and shape horizontal, vertical, and overhead concrete surfaces

5 products

Deep-Crack Concrete Fillers

Fill cracks up to 10" deep on vertical and overhead surfaces

1 product

Light-Activated Surface Filler Patches

Cut to size, press into place, and expose to sunlight or a UV lamp to harden

1 product

Surface Fillers

Repair cracked, worn, and damaged surfaces, including vertical applications

10 products

Self-Leveling Deep-Crack Concrete Fillers

Fill cracks up to 4" deep on sidewalks and other horizontal surfaces

2 products

Sand Mixes

Apply to surface areas that require a thickness of less than 2"

2 products

Concrete Mixes

Apply to surface areas that require a thickness of more than 2"

2 products

Leak-Stopping Concrete Crack Fillers

Harden in three to five minutes to stop slow-flowing and weeping leaks

4 products

Grout

Apply to floor and wall tiles made of ceramic, concrete, and stone

6 products

High-Flow Leak-Stopping Concrete Crack Fillers

Harden within seconds to stop active leaks that flow up to 50 gallons per minute

2 products

Epoxy Grout

Create a grout that resists chemicals and doesn't require sealing

3 products

Pourable Surface Fillers

Make castings and fill voids

2 products

Water-Resistant Surface Fillers

Repair damaged surfaces in wet environments, or even underwater

7 products

Drywall Crack Fillers

Fix cracks in drywall and stop them from spreading

1 product

Other Products

Sealants

Fill and seal gaps in metal, plastic, wood, and other materials

110 products

Protective Coatings

Shield surfaces from the surrounding environment

58 products

Sealant Primers

Apply to surfaces before sealant to speed up drying times and improve adhesion

1 product