Sealants For Masonry | McMaster-Carr

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295 Products

Sealants

Structural Sealants

Combine the strength of adhesive with the flexibility of sealant

8 products

Self-Leveling Oil- and Fuel-Resistant Sealants

Flow easily into cracks for a smooth finish and resist swelling from oil, fuel, and solvents

5 products

Clean Room Sealants

Won't contaminate the air or surfaces in semiconductor, biomedical, and electronics clean rooms

1 product

Noncorrosive Silicone Rubber Sealants

Won't discolor copper, brass, or concrete

5 products

Oil- and Fuel-Resistant Sealants

Resist swelling when exposed to oil, fuel, and solvents

3 products

All-Weather Application Structural Sealants

The strongest all-weather sealants we offer

6 products

All-Weather Application Sealants

Apply on wet surfaces and in cold temperatures

7 products

Sealants

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

3 products

Optically Clear All-Weather Application Sealants

Apply in cold and wet weather and let light pass through for use with solar cells and fiber optics

1 product

Non-Hardening Caulk

Stays pliable while keeping out moisture

6 products

Caulk

Seal and fill cracks and voids

4 products

Metal- and X-Ray-Detectable Structural Noncorrosive Silicone Rubber Sealants

Locate a piece if it falls in your food line using metal detectors and X-ray machines

1 product

Low-Outgassing Silicone Rubber Sealants

Release almost no volatile emissions that could damage sensitive electronics, even in a vacuum

1 product

Puncture-Resistant Sealants

Resist punctures, cuts, and abrasion from heavy wear and tampering

4 products

Create-a-Color Caulk

Mix with water-based paint to match the color of your surface

2 products

Roof Joint Sealants

Self-Leveling Roof Joint Sealants

Thinner than non-sagging roof joint sealants to flow easily into cracks for a smooth finish

3 products

Roof Joint Sealants

Seal roof joints to keep out the elements

3 products

All-Weather Application Roof Joint Sealants

Fix roof leaks even in cold and wet weather

2 products

Concrete Joint Sealants

High-Strength Self-Leveling Concrete Joint Sealants

Flow easily into cracks for a smooth finish and withstand wear and tear in high-traffic areas

10 products

High-Temperature Concrete Joint Sealants

Form a durable, rock-hard seal after firing for use in ovens and kilns

4 products

High-Strength Concrete Joint Sealants

Stand up to heavy wear and tear, such as steel wheel traffic

7 products

Self-Leveling All-Weather Application Concrete Joint Sealants

Apply in wet and cold weather and flow easily into cracks for a smooth finish

4 products

All-Weather Application Concrete Joint Sealants

Apply on wet surfaces and in cold temperatures

2 products

$Textured Concrete Joint Sealants$

Textured Concrete Joint Sealants

Textured to match concrete surfaces

2 products

Other Products

Surface Fillers

Repair chips, cracks, and tears in various surfaces

51 products

Structural Adhesives

Strong enough to replace screws and rivets for many jobs

34 products

Protective Coatings

Shield surfaces from the surrounding environment

24 products

Paint

Renew, enhance, protect, and change the color of surfaces

22 products

Gasket Sealants

Seal gaskets on metal parts

2 products

Sealant Primers

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

2 products

Construction Adhesives

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

9 products

Magnet-Receptive Sheets

Cut with scissors to form custom nonmetallic, nonmagnetic surfaces that magnets will stick to

3 products

Anchoring Adhesives

Permanently set threaded rods, studs, and rebar in concrete

25 products

Roof Coatings

Form a water-resistant layer to restore and reinforce your roof

6 products

Hot Glue

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

2 products

Contact Adhesives

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

2 products

Paint Primers

Extend the life of paint and coatings by preparing surfaces beforehand

7 products

Electrically Insulating Adhesives

Secure hardware on circuit boards while insulating current

2 products