MULCO® FLEX 9000™ is a durable, thermoplastic, one-component sealant that has good adhesion to a variety of building materials such as concrete, masonry, painted or anodized aluminum, steel, glass, fiberglass, and more. The performance and versatility of Flex 9000 makes it a perfect choice for numerous exterior projects including sealing outdoor joints around door frames, window frames, and siding.

• Exterior
• Instant resistance to rain
• Excellent flexibility minimizes cracking
• Paintable after 24 hours