Everbuild Everflex 450 Builders Silicone Sealant, Brown, 300ml

The Everbuild Everflex® 450 Builders Silicone Sealant is a premium, low modulus, oxime-cure RTV silicone sealant designed for professional and DIY applications. This high-performance sealant adheres effortlessly to both porous and non-porous surfaces without requiring a primer, making it versatile and easy to use. Conforming to BS5889, it ensures reliability and compliance with industry standards.

Formulated as a high-viscosity grade, Everflex 450 offers excellent tooling properties and cures quickly to form a permanently flexible, waterproof, and high-strength seal. Its rubber-like flexibility and resistance to dirt pick-up make it superior to conventional low modulus sealants, ensuring a neat and professional finish.

Applications

• Ideal for perimeter pointing around PVCu, wood, and other window frames, both internally and externally.
• Excellent for sealing and bonding PVCu, plastic trims, and components.
• Suitable for expansion joint sealing, draught proofing, and weather sealing applications.
• Perfect for joint sealing on pre-formed panels and sealing soft metals like lead, copper, and zinc.
• Highly effective for general glazing, glass-to-glass, and glass-to-aluminium sealing, as well as roof weather sealing.

Specifications

• Volume: 300ml
• Colour: Brown
• Cure Type: Oxime-cure RTV silicone
• Modulus: Low modulus for reduced stress on substrates
• Compliance: BS5889 standard
• Viscosity: High viscosity for superior tooling properties
• Waterproof: Creates a durable, waterproof seal
• Flexibility: Permanently flexible to accommodate movement

With its fast curing time, Everflex 450 is an excellent choice for both new installations and repair work over existing sealants, ensuring long-lasting performance in a variety of construction and maintenance scenarios.