QUAD Max 9.5 fl. oz. Black #009 Exterior, Window, Door, and Siding Caulk Sealant

Product Overview OSI QUAD MAX is built to take on the toughest weather conditions—rain, snow, sun, or heat. Formulated for use around exterior and interior windows, doors, and siding, this high-performance sealant creates a strong, flexible bond on a wide range of surfaces including fiber cement, vinyl, wood, metal, stone, stucco, glass, and more. Its advanced formula allows for application on wet or cold surfaces and cures quickly—ready to be painted in just one hour (conditions may affect drying time). With exceptional flexibility and durability, it’s the go-to choice for professionals who need lasting results with zero compromises. Key Features Ideal for sealing around windows, doors, and siding to guard against weather intrusion Strong adhesion to common building materials including brick, aluminum, PVC, and more 100% waterproof and suitable for application on damp surfaces Flexible performance with up to 5x stretch and Class 50 Joint Movement capability Long-lasting seal