BOSS 388 Silicone Sealant is an advanced, high-performance sealing solution designed to deliver exceptional durability, flexibility, and adhesion for a wide range of applications. This premium, single-component silicone sealant is engineered to provide a reliable, long-lasting seal that withstands the challenges of both indoor and outdoor environments, making it ideal for both professional and DIY projects.
Formulated with 100% silicone, BOSS 388 offers superior adhesion to a variety of substrates, including glass, metal, wood, ceramics, and most plastics. Its versatile nature makes it perfect for sealing joints, gaps, and seams in construction, automotive, marine, and general maintenance applications. Whether you need to seal windows, doors, roofs, or plumbing fixtures, BOSS 388 ensures a strong, flexible bond that resists wear and tear over time.
BOSS® 388 neutral weatherproofing silicone sealant is a one-part, neutral cure, low-odour, construction-grade sealant that offers excellent adhesion, weather-resistance, and compatibility with a wide variety of materials.