Meet OSI Quad Max Mocha Elastomeric Polymers Caulk Sealant, a 9.5 oz cartridge designed to seal where moisture, movement, and appearance matter. In a rich mocha brown, this sealant blends with brown-toned surfaces while delivering a durable, permanently flexible barrier that stands up to daily life both inside and out. Built on the trusted Quad Max lineage, it’s the practical choice for joints that need to move with your home without cracking or peeling.
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Moisture and mildew resistance: Engineered to hold up in wet zones like bathrooms, kitchens, and exterior gaps, helping keep surfaces clean and dry over time.
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Permanently flexible elastomeric formula: Maintains a strong seal as substrates expand and contract with temperature shifts or settling, reducing the risk of cracks.
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Paintable finish: Apply paint when you want the seal to disappear into the decor, delivering a seamless, professional look.
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Indoor & outdoor performance: Ready for use around windows, doors, siding, baseboards, and other high-traffic areas where weather and humidity are factors.
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Cartridge packaging for easy application: Standard 9.5 oz cartridge fits most caulk guns for controlled, clean bead formation.
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Color and material:Mocha color from the brown family paired with elastomeric polymers for durability and a visually cohesive result.
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Coverage: Listed coverage area of 29.1, giving you a reliable measure for planning repairs and new projects.
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Not designed for extreme heat or fire resistance: Appropriate for typical home environments, not rated for high-heat applications.
Who should use this sealant? Ideal for homeowners, DIY enthusiasts, and professionals tackling bathrooms, kitchens, window and door frames, exterior trim, or any joint that faces moisture and temperature variation. If your project requires a sealant that moves with the house, stays resistant to mildew, and can be painted to blend in with surrounding surfaces, this is the option to reach for.
How to use
- Prepare the joint: clean, dry, and free of old sealant or debris.
- Cut the nozzle at a 45-degree angle and load the cartridge into a caulk gun.
- Apply a steady, continuous bead along the seam, maintaining even pressure for a uniform line.
- Tool the bead with a damp finger or caulking tool to achieve a smooth finish.
- Wipe away excess sealant and allow adequate curing time per label instructions for best results.
Product details at a glance: OSI Quad Max Mocha Elastomeric Polymers Caulk Sealant, 9.5 oz cartridge, Mocha color (brown family), indoor/outdoor use, moisture and mildew resistant, paintable, permanently flexible, coverage area 29.1. Not recommended for fireproofing or high-heat environments. This sealant is the reliable choice when you need a long-lasting, aesthetically compatible sealant that resists moisture while accommodating movement in everyday remodeling and repair projects.
