Urethane Caulk | McMaster-Carr

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	For Use On For Use On

	Formulation Formulation

Buna-N

	Container Type Container Type


Bottle	Cartridge

Pail	Sausage Pack

Strip	Tube

	Color Color

	White
	Black
	Clear
	Aluminum
	Gray
	Bronze
	Almond
	Brown
	Limestone
	Red
	Tan
	Stainless Steel
	Semi-Clear
	Beige

	For Joining For Joining

	For Use Outdoors For Use Outdoors

Yes

	Type Type

	Maximum Temperature Maximum Temperature

	Container Size Container Size

	Manufacturer Manufacturer

	Mixing Required Mixing Required

Yes

	Specifications Met Specifications Met

	Application Application

Non-Sagging

Self-Leveling

	For Use With For Use With

	Paintable Paintable

Yes

	Begins to Harden Begins to Harden

	Reaches Full Strength Reaches Full Strength

	Hardness Rating Hardness Rating

	Hardness Hardness

	Tensile Strength Tensile Strength

	Minimum Temperature Minimum Temperature

	Clarity Clarity

Clear

Semi-Clear

Opaque

	Manufacturer Model Number Manufacturer Model Number

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138 Products

About Sealant Flexibility

Silicone Sealants

Made from silicone, these sealants are RTV (room-temperature vulcanizing).

Silicone Sealants with Material Certification

These sealants include a material certificate with traceable lot number, test report, and product shelf life.

Paintable Silicone Sealants

Unlike standard silicone sealants, this silicone sealant can be painted.

Self-Leveling Silicone Sealants

Thinner than non-sagging sealants, these flow easily into cracks and have a smooth finish.

Self-Leveling Silicone Sealants
with Material Certification

These sealants include a material certificate with traceable lot number, test report, and product shelf life.

Noncorrosive Silicone Sealants

Also known as neutral-cure sealants, these won't discolor copper, brass, and concrete.

Noncorrosive Silicone Sealants
with Material Certification

This sealant includes a material certificate with traceable lot number, test report, and product shelf life.

Sealants

Puncture-Resistant Sealants

A combination of hardness and surface tension makes these sealants resistant to punctures, cuts, and abrasion.

Non-Hardening Caulk

Also known as thumb-grade caulk, this forms a non-hardening, moisture-resistant seal that remains pliable.

Caulking Tape

Press this adhesive-backed plastic tape into place for an immediate light-duty seal.

Structural Sealants

These structural sealants combine the mechanical strength of an adhesive with excellent sealing properties and high flexibility.

All-Weather Application Structural Sealants

Apply these sealants in cold temperatures, on wet surfaces, and even through running water.

Structural Silicone Sealants

Structural Silicone Sealants with Material Certification

These sealants include a material certificate with traceable lot number, test report, and product shelf life.

Self-Leveling Oil- and Fuel-Resistant Sealants

Thinner than non-sagging sealants, these flow easily into cracks and have a smooth finish.

Oil- and Fuel-Resistant Sealants

These non-sagging sealants will not drip while hardening on vertical and overhead surfaces.

Structural Oil- and Fuel-Resistant Sealants

Impervious to the swelling effects of oil, fuel, and solvents, use these high-strength sealants to assemble and repair fuel systems and tanks.

Submersible Sealants

These sealants are marine grade, so they stand up to water, corrosion from salt spray, mildew, and UV light.

Structural Submersible Sealants

The strongest submersible sealants we offer, these combine the mechanical strength of an adhesive with excellent sealing properties and high flexibility.

Concrete Joint Sealants

High-Strength Concrete Joint Sealants

These non-sagging sealants will not drip while hardening on vertical and overhead surfaces.

High-Strength Self-Leveling Concrete Joint Sealants

Thinner than non-sag sealants, these flow easily into cracks and have a smooth finish.

Concrete Joint Sealants

Seal joints and gaps in concrete.

Textured Concrete Joint Sealants

$Textured Concrete Joint Sealants$

The textured finish matches concrete surfaces.

All-Weather Application Concrete Joint Sealants

These non-sagging sealants will not drip while hardening on vertical and overhead surfaces.

Self-Leveling All-Weather
Application Concrete Joint Sealants

Thinner than non-sagging sealants, these flow easily into cracks and have a smooth finish.

Glass Sealants

UV-Resistant Glass Sealants

These sealants don't degrade in sunlight.

Impact-Resistant Structural Glass Sealants

Repair equipment and vehicle windows with these sealants that are rated to withstand impact within three hours of application.

Roof Joint Sealants

These sealants are non-sagging, so they won't drip from vertical and overhead surfaces.

Self-Leveling Roof Joint Sealants

Thinner than non-sagging sealants, these flow easily into cracks and have a smooth finish.

Sealant Primers

Prepare joints and surfaces to ensure proper sealant adhesion.

Adhesives

Construction Adhesives for Dissimilar Materials

Bond glass and stone to drywall, treated lumber, and subfloors.

Construction Adhesives

Install building materials such as wood and drywall with these general purpose adhesives.

Urethane Structural Adhesives

Urethane adhesives are the most flexible, so they bond dissimilar materials and damp vibration.

Concrete Crack Fillers

Fill cracks in horizontal, vertical, and overhead concrete surfaces.