GSA All Purpose Silicone: durable, flexible, high-performance sealant solution.
Description
The GSA All Purpose Silicone 300 ml is a premium, one-part neutral cure sealant designed for versatile weatherproofing and waterproofing applications. Ideal for both domestic and commercial projects, this high-quality silicone provides excellent adhesion to most construction materials, including steel, glass, anodised aluminium, PVF2-coated surfaces, and concrete—without the need for a primer.
Ready to use with standard caulking guns, the GSA All Purpose Silicone offers smooth application even in extreme weather conditions, curing at room temperature to form a durable and flexible silicone rubber. It remains chemically stable across a wide range of temperatures (-20 °C to +50 °C during installation) and maintains performance in service conditions from -40 °C to +150 °C, staying flexible, tear-resistant, and crack-free indefinitely.
With superior weatherability, it is virtually unaffected by sunlight (UV), wind, frost, rain, snow, ozone, or temperature extremes. The GSA All Purpose Silicone 300 ml is the reliable choice for sealing, bonding, and protecting a wide variety of substrates, delivering long-lasting, professional-quality results on every project.

