{"product_id":"osi-quad-max-black-hills-elastomeric-polymers-caulk-sealant-9-5-oz","title":"OSI Quad Max Black Hills Elastomeric Polymers Caulk Sealant 9.5 oz","description":"\u003cdiv\u003e\n\u003cstrong\u003eOSI Quad Max Black Hills Elastomeric Polymers Caulk Sealant 9.5 oz\u003c\/strong\u003e is a premium, paintable sealant designed to protect and perfect joints both indoors and outdoors. In the Black Hills color, this cartridge brings a deep, versatile shade that hides imperfections while delivering a professional finish on dark trim, brick, masonry, and more. Built for real-world use, it stays flexible and durable through seasonal movement and weather exposure, so you don’t have to worry about cracks reopening year after year. \u003cp\u003eWhat makes this Quad Max sealant stand out?\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003ePermanently flexible elastomeric polymers\u003c\/strong\u003e that absorb expansion and contraction without losing grip, keeping joints sealed even with temperature swings and building movement.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMoisture resistant\u003c\/strong\u003e and \u003cstrong\u003emildew resistant\u003c\/strong\u003e performance, making it a reliable choice for bathrooms, kitchens, laundry rooms, and exterior surfaces where damp conditions are common.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePaintable\u003c\/strong\u003e to match surrounding materials, trims, or siding, so the caulk blends in rather than stands out.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eIndoor and outdoor use\u003c\/strong\u003e with a cartridge packaging that fits standard caulk guns for easy, precise application.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCoverage area: 29.1\u003c\/strong\u003e per cartridge, giving you substantial sealing capacity in a single tube for larger projects or multiple rooms.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eIdeal use scenarios\u003c\/p\u003e \u003cul\u003e \u003cli sealing around windows and doors to stop air leaks reduce drafts while maintaining a clean finished look.\u003e \u003c\/li\u003e\n\u003cli exterior joints on brick concrete siding and masonry where weather exposure is a concern.\u003e \u003c\/li\u003e\n\u003cli interior bathroom and kitchen joints prone to moisture mildew such as tub surrounds showers backsplashes.\u003e \u003c\/li\u003e\n\u003cli gaps in baseboards stair treads and around fixtures where movement or vibration occurs.\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhy choose OSI Quad Max in Black Hills over ordinary caulks?\u003c\/p\u003e \u003cul\u003e \u003cli\u003eSuperior longevity through adaptable, flexible sealing that resists cracking as surfaces move with temperature changes.\u003c\/li\u003e \u003cli\u003eReliable mildew resistance and moisture tolerance that help maintain a clean appearance in humid or damp environments.\u003c\/li\u003e \u003cli\u003ePaintability lets you customize the finish to match any project, delivering a cohesive, professional result.\u003c\/li\u003e \u003cli\u003eVersatile indoor\/outdoor performance means fewer product swaps across different jobs—one sealant for multiple scenarios.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003ePractical tips for best results\u003c\/p\u003e \u003cul\u003e \u003cli\u003ePrepare surfaces by cleaning and drying thoroughly before application to ensure a strong bond.\u003c\/li\u003e \u003cli\u003eCut the nozzle to the desired bead size and apply with a standard caulk gun for controlled, even flow.\u003c\/li\u003e \u003cli\u003eTool the bead after application to achieve a smooth, finished edge that adheres neatly to corners and joints.\u003c\/li\u003e \u003cli\u003eAllow sufficient cure time per product guidelines before painting or exposing to heavy moisture. Always follow the packaging for exact instructions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Osi","offers":[{"title":"Default Title","offer_id":52272839262482,"sku":"1044423","price":13.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0928\/1024\/8466\/files\/1044423_A.eps_High.jpg?v=1778782878","url":"https:\/\/nationalhardwaregroup.com\/products\/osi-quad-max-black-hills-elastomeric-polymers-caulk-sealant-9-5-oz","provider":"National Hardware Group","version":"1.0","type":"link"}