Vulkem 116 Black Polyurethane Window and Door Caulk Sealant is engineered for exterior performance that homeowners and professionals can rely on. A durable, weather-ready sealant, this deep-black polyurethane formula is purpose-built to seal window and door perimeters, expansion joints, and adjacent masonry with a finish that holds up to outdoor conditions while staying flexible over time. Key benefits that address real-world needs
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Moisture and mildew resistance: Specifically designed to withstand outdoor moisture exposure and inhibit mildew growth, helping exterior joints stay sealed year after year.
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Permanently flexible interior: Maintains a lasting, elastic seal that accommodates substrate movement and temperature fluctuations without cracking or cracking reoccurrence.
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Paintable finish: Ready to accept paint, allowing you to match trim, siding, or concrete for a cohesive exterior appearance.
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Targeted surface compatibility: Ideal for poured and precast concrete, masonry work, window and door perimeters, and sealing expansion joints—covering the most common exterior applications in one product.
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Outdoor-ready color: Black color blends with dark frames and masonry, helping seams disappear into the exterior aesthetic.
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Quality packaging and coverage: Comes in a convenient 10.1 fl oz cartridge with an approximate 308 coverage, making it practical for typical window/door perimeter jobs.
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Clear Usage Profile: Designed as a window and door sealant, ensuring the right formulation for perimeter sealing where weatherproofing and movement tolerance matter.
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Not flammable or heat-rated: Note that this formulation is not rated for fire or high-heat exposure, so use in appropriate exterior applications as intended.
Why this matters for your project
- Exterior reliability: When sealing exterior openings, you need a sealant that resists moisture infiltration, remains flexible as substrates move, and accepts paint for a clean, finished look. Vulkem 116 Black delivers on all three, reducing the risk of cracking and leaks around windows and doors.
- Practical versatility: Whether you’re renovating a masonry facade, sealing a concrete expansion joint, or finishing the perimeter around new windows, this sealant handles the common substrates and joint types encountered in outdoor work.
- Aesthetic practicality: The deep black shade provides a seamless appearance with dark frames and masonry, helping those seams blend in rather than stand out. Who this is for
- Homeowners tackling exterior window and door retrofits or new installations
- Masonry and concrete specialists sealing expansion joints and perimeters
- Exterior renovators needing a paintable, durable, weather-resistant sealant for outdoor projects Product details at a glance
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Brand: Vulkem
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Sub Brand: 116
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Color: Black
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Container Size: 10.1 fl oz
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Color Family: Black
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Interior/Exterior: Outdoor
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Material: Polyurethane
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Recommended Surfaces: Poured and precast concrete, masonry work, window and door perimeters, sealing expansion joints
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Type: Window and Door
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Packaging Type: Cartridge
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Coverage Area: 308
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Paintable: Yes
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Moisture Resistant: Yes
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Mildew Resistant: Yes
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Permanent Flexibility: Yes
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Fire/High Heat Resistant: No
In short, Vulkem 116 Black Polyurethane Window and Door Caulk Sealant delivers a durable, paintable, permanently flexible seal for exterior openings—perfect for protecting and finishing window and door perimeters, expansion joints, and masonry joints in outdoor environments.
