Choose the Right Product the First Time

Choosing the right sealant or caulk can be overwhelming. Mulco makes it easy by assisting you in finding the perfect sealant based on your specific needs. Explore our quick Sealant & Caulk Q&As to gain clarity, and then select a product tailored to your intended use with our helpful suggestions below.

Modern bathroom with a white freestanding bathtub, textured gray wall, palm plant, wooden towel rack with white towels, and soap dispensers on a wooden tray.

Sealants For Home Projects

Choose the project you are working on to find the best sealant for your job

White wall with a long diagonal crack running from top left to bottom right near a partially visible blue door frame.

Crack and Gap Filler

For both interior and exterior jobs

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Brown front door with a window panel, flanked by two white-trimmed windows and symmetrical bushes in front.

Door, Window & Siding Sealants

Helping you with a wide variety of applications

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Close-up of a dark-colored roof gutter corner with a downspout attached under a tiled roof.

Gutter Sealant

For waterproofing joints of gutters and drainpipes

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Modern white oval bathroom sink with a chrome faucet mounted on a black countertop against a black and white tiled wall.

Kitchen and Bathroom Sealants

Choose the right products for any job

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Roof Sealants & Specialty Products

Whether you're trying to seal your roof, temporarily sealing your home from drafts, or soundproofing a studio - choose from one of the options below to learn which sealant is best for your project.

Hand applying white caulk along the edge of a window frame using a caulking gun.

Removable Sealants

Environmentally-friendly removable sealants

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Close-up of gray asphalt roof shingles with a ridge vent installed along the peak.

Roof Sealants

Seals shingles and flashings

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Close-up of a studio microphone with blurred computer monitors and speakers in a recording studio background.

Soundproofing Sealant

Reduces air, noise and humidity transmission

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