Concrete Fillers | McMaster-Carr

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Calcium Sulfate (Gypsum)

For Use Outdoors

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Material

Calcium Sulfate (Gypsum)

Mixing Required

Reaches Full Strength

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REACH

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

Yes

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Compliant

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DFARS Specialty Metals

Exempt

Export Control Classification Number (ECCN)

EAR99

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363 Products

Surface Fillers

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

10 products

Concrete Crack Fillers

Fill cracks in horizontal, vertical, and overhead concrete surfaces

7 products

Water-Resistant Surface Fillers

Repair damaged surfaces in wet environments, or even underwater

7 products

Self-Leveling Concrete Crack Fillers

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

1 product

Concrete Patching Compounds

Patch concrete floors and stairs

10 products

Light-Activated Surface Filler Patches

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

1 product

Deep-Crack Concrete Fillers

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

1 product

High-Temperature Surface Fillers

Create thermal insulation that withstands temperatures up to 2300° F

3 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

Pourable Surface Fillers

Make castings and fill voids

2 products

Self-Leveling Deep-Crack Concrete Fillers

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

2 products

Drywall Crack Fillers

Fix cracks in drywall and stop them from spreading

1 product

Concrete Leveling Compounds

Repair sidewalks and factory floors in areas with heavy foot traffic

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

Roof Repair Mesh Fabric

Reinforce hot- and cold-applied asphalt patching compounds and coatings

1 product

Leak-Stopping Concrete Crack Fillers

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

4 products

Concrete Surface Fillers

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

5 products

Low-Temperature Concrete Patching Compounds

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

4 products

Heavy Duty Roof Patching Compounds

Repair flashing and chimneys with our most flexible and watertight compound

2 products

Temporary Roof Leak Patching Compounds

Form a thick gel in minutes when poured into standing water and rain

1 product

Grout

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

6 products

Epoxy Grout

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

3 products

Chemical-Resistant High-Traffic Concrete Leveling Compounds

Resist corrosion from acid and chemical spills

2 products

Adhesive-Back Roof Repair Rolls

Cut to size, then peel-and-stick to fix leaky roofs and gutters

6 products

Concrete Mixes

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

2 products

Sand Mixes

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

2 products

Roof Patching Compounds

Repair holes and seal gaps in roofing and gutters

3 products

Mortar Mixes

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

1 product

Other Products

Sealants

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

121 products

Structural Adhesives

Epoxy, acrylic, urethane, and other adhesives strong enough to replace screws and rivets

61 products

Anchoring Adhesives

Permanently set threaded rods, studs, and rebar in concrete

25 products

Construction Adhesives

Join a wide range of construction materials, from drywall to carpeting

15 products

Hot Glue

Melt for rapid bonds in a range of applications, from packaging to woodworking

2 products

Thread Sealants

Create a seal between threaded connections to prevent loosening from vibration

15 products

Contact Adhesives

Apply adhesive, air dry, and bring surfaces together to bond

2 products

Sealant Primers

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

3 products

Electrically Insulating Adhesives

Secure hardware on circuit boards while insulating current

2 products

Glue

The first choice for everyday bonding and repairs

1 product