Everbuild Builders Silicone Sealant

The Everbuild Everflex® 450 Builders Silicone Sealant is a professional-grade, low modulus, oxime cure RTV silicone sealant designed for superior performance across a wide range of building applications. This high-quality sealant adheres exceptionally well to both porous and non-porous surfaces without the need for priming, conforming to BS5889 standards for reliability and quality assurance.

Formulated as a high viscosity grade, it delivers excellent tooling properties and cures quickly to provide a permanently flexible, high strength waterproof seal. The advanced formula ensures faster curing times than conventional low modulus sealants whilst maintaining extremely low dirt pick up, making it ideal for both internal and external applications where a clean, professional finish is essential.

This versatile sealant is perfect for perimeter pointing around PVCu and wooden window frames, expansion joint sealing, weather sealing, glazing applications, and sealing soft metals. Available in a range of colours to suit various applications and aesthetic requirements.

Features and Benefits:
• Remains permanently flexible, forming a tight rubber-like seal
• Fast curing with extremely low dirt pick up
• Waterproof and provides excellent sound insulation
• High viscosity for superior tooling properties
• No priming required on most surfaces
• Conforms to BS5889 standards