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 Australian 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.
View Full Delivery & Returns PolicySecure Transactions
We take the utmost care with your payment and personal details. Our website uses advanced encryption technology, including Secure Sockets Layer (SSL), to protect your information during transmission. You can check a secure connection by looking for 'https' and a locked padlock in your browser.
Cookie Policy
Cookies enhance your shopping experience by keeping track of your cart and remembering you when you return. We also use banner advertising based on your browsing history to present products of potential interest.
Security Warning
Beware of phishing scams! We will never ask for personal details via email. If such information is required, we'll ask you to contact us by phone. If you receive an email requesting sensitive information, do not respond and let us know immediately.
