Meet the OSI Quad Max Evening Blue Elastomeric Polymers Caulk Sealant in a convenient 9.5 oz cartridge—the trustworthy choice for sealing joints that move with your home. This paintable, moisture-resistant sealant is crafted to perform indoors and outdoors, delivering a durable, flexible barrier that lasts.
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Permanent flexibility with elastomeric polymers: Uses a durable, elastic network that expands and contracts with substrate movement, reducing the risk of cracking and re-sealing over time.
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Moisture and mildew resistance: Ideal for damp environments like bathrooms, kitchens, basements, and exterior edges where moisture challenge is constant.
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Paintable finish: Color it to perfectly match walls, trim, tile, or siding after cure for a seamless, professional look.
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Indoor and outdoor performance: Robust enough for exterior weather but refined enough for interior refinishing. Handles temperature swings and UV exposure without losing adhesion.
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Cartridge packaging (9.5 oz): Standard caulk gun-ready format for efficient application and replacement.
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Color: Evening Blue: A stylish, contemporary shade that blends with blue-gray palettes and hides minor imperfections for a cleaner seal line.
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Coverage up to ~29.1 sq ft: Great for longer runs and expansion joints; actual coverage depends on bead size and joint geometry.
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Cleanup with mineral spirits: Easy to tidy up from tools and uncured material with common solvents.
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Not rated for high heat or fire exposure: Not suitable for areas subjected to high temperatures or fire-rated requirements—use a dedicated high-heat sealant where needed.
This OSI Quad Max Evening Blue sealant is ideal for sealing around windows, doors, siding, showers, and other joints that experience movement or moisture. It combines reliable adhesion with a flexible seal that stays durable through seasons, while its paintable finish lets you achieve a flawless, matched look. Whether you’re renovating a bathroom, refinishing exterior trim, or tackling everyday fixes, this 9.5 oz cartridge gives you a dependable, visually appealing seal that stands up to real-world conditions.
Pro tips for best results: prep the surface by removing old sealant and cleaning the area thoroughly, cut the nozzle to achieve your desired bead size, apply a clean, continuous bead, and smooth with a damp finger or tool for a crisp finish. With the OSI Quad Max Evening Blue, you’re choosing a sealant that’s built to perform where it matters most—inside and outside your home.