Concrete | McMaster-Carr

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Calcium Sulfate (Gypsum)

Reaches Full Strength

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Type

Begins to Harden

Mixing Required

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Material

Calcium Sulfate (Gypsum)

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Process After Hardening

Contains Aggregate

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U.S.–Mexico–Canada Agreement (USMCA) Qualifying

Yes

REACH

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Export Control Classification Number (ECCN)

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147 Products

Surface Fillers

Concrete Mixes

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

2 products

Concrete Patching Compounds

Patch concrete floors and stairs

10 products

Concrete Crack Fillers

Fill cracks in horizontal, vertical, and overhead concrete surfaces

7 products

Sand Mixes

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

2 products

Large-Area Concrete Patching Compounds

Cover large sections of pitted, worn, and cracked concrete

2 products

Low-Temperature Concrete Patching Compounds

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

4 products

High-Traffic Concrete Leveling Compounds

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

6 products

Concrete Surface Fillers

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

5 products

Concrete Leveling Compounds

Repair sidewalks and factory floors in areas with heavy foot traffic

3 products

Leak-Stopping Concrete Crack Fillers

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

4 products

Deep-Crack Concrete Fillers

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

1 product

Mortar Mixes

Create a mortar for brick, block, and stone laying, as well as masonry repairs

1 product

Surface Fillers

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

10 products

Self-Leveling Concrete Crack Fillers

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

Chemical-Resistant High-Traffic Concrete Leveling Compounds

Resist corrosion from acid and chemical spills

2 products

Grout

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

6 products

Self-Leveling Deep-Crack Concrete Fillers

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

2 products

Water-Resistant Surface Fillers

Repair damaged surfaces in wet environments, or even underwater

7 products

Epoxy Grout

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

3 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

Pourable Surface Fillers

Make castings and fill voids

2 products

Drywall Crack Fillers

Fix cracks in drywall and stop them from spreading

1 product

Other Products

Protective Coatings

Shield surfaces from the surrounding environment

58 products

Surface-Preparation Cleaners

Clean and degrease surfaces so paint, coatings, adhesives, and cement will stick

4 products