Introducing the OSI Quad Max Light Mist Elastomeric Polymers Caulk Sealant 9.5 oz — a versatile, paintable sealant built to perform where moisture and movement are a fact of life. Crafted with elastomeric polymers, this sealant delivers a durable, permanently flexible barrier that expands and contracts with your space, helping prevent cracks and leaks over time.
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Elastomeric polymers provide a tough, flexible seal that stays resilient through temperature changes and building movement.
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Moisture resistant and mildew resistant for bathrooms, kitchens, showers, and outdoor areas where damp conditions are common.
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Paintable finish lets you match trim, walls, and surroundings precisely for a seamless look.
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Indoor and outdoor use with a light gray palette in the Light Mist color family, designed to blend with many surfaces.
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9.5 oz cartridge with a broad coverage area of 29.1, making it suitable for larger projects and multiple rooms.
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Cleanup with mineral spirits keeps the process straightforward and tidy.
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Fire and high heat resistance: No — ideal for typical interior/exterior joints but not rated for high-heat applications.
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Packaging type: Cartridge and Brand: OSI (Sub Brand: Quad Max) for trusted performance you can rely on.
What makes this Quad Max formula stand out is its practical combination of moisture tolerance, mildew resistance, and paintability, all while staying flexible over time. It’s the go-to choice for gaps and joints around windows, doors, baseboards, shower surrounds, backsplashes, and exterior siding where you need a durable, long-lasting seal that you can finish with paint to match your décor.
Who should consider this sealant? Homeowners tackling bathrooms and kitchens, DIY enthusiasts upgrading windows and doors, or professionals sealing exterior trim where weather exposure requires a resilient, paint-ready finish. If you’re looking for a single, reliable solution that handles moisture, remains flexible as your home moves, and accepts paint for a immaculate look, OSI Quad Max Light Mist is built for the job.
Pro tips: prepare clean, dry surfaces before application, cut the nozzle to achieve your desired bead size, and tool the seam for a smooth finish. When you’re ready to tidy up, mineral spirits will remove uncured product easily. Choose OSI Quad Max Light Mist for a dependable, paintable, mildew-resistant seal that stands up to everyday living indoors and out.
