Everbuild Everflex 450 Builders Silicone Sealant, Brown, 300ml
Everbuild Everflex 450 Builders Silicone Sealant - low modulus, waterproof, versatile for windows, metals & glazing. BS5889 compliant.
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.
- Perimeter pointing around PVCu, wood, and window frames
- Sealing and bonding PVCu and plastic trims
- Expansion joint sealing
- Draught proofing
- Material: Oxime-cure RTV silicone
- Volume: 300ml
- Colour: Brown
- Modulus: Low modulus
- Compliance: BS5889
- Viscosity: High viscosity
- Waterproof: Yes
- Flexibility: Permanently flexible
- Dirt Pick-Up: Extremely low
Always follow local regulations and product guidance.
Free standard delivery on UK mainland orders. Express delivery options and international shipping available at checkout.
We offer a 30-day money-back guarantee on most products. For faulty items, contact us within 14 days for a replacement or refund.
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