PPG's TOP GUN 400 Elastomeric Acrylic Urethane Caulking Sealant is paintable, water-resistant once cured, and compatible with most common construction materials including wood, masonry, and fiber cement. Its durable, low-shrink formulation resists cracking and crumbling over time, supporting energy efficiency by sealing air leaks. Designed to meet the performance expectations of residential and commercial contractors alike, TOP GUN 400 helps deliver long-lasting results in both new construction and renovation projects. Whether you're sealing expansion joints or filling exterior gaps, it offers reliable adhesion and flexibility.
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