High-performance silicone sealant for waterproofing and weatherproofing, ideal for expansion joints, glazing, and metal sealing.
The Everbuild Everflex 450 Builders Silicone Sealant is a high-performance, low modulus, oxime-cure RTV silicone sealant that adheres to both porous and non-porous surfaces without the need for priming. Conforming to BS5889, this sealant is formulated as a high-viscosity grade for excellent tooling properties. It cures quickly to provide a permanently flexible, high-strength, waterproof seal.
Its key features include:
Ideal for perimeter pointing internally and externally around PVCu and wood window frames, as well as for sealing PVCu, plastic trims, and components. Suitable for expansion joint sealing, weatherproofing, and joint sealing on pre-formed panels. Additionally, it works well for sealing soft metals such as lead, copper, and zinc, general glazing, draught-proofing, glass-to-glass and glass-to-aluminium sealing, and roof weatherproofing applications.
Includes 1 x Everbuild Everflex 450 Builders Silicone Sealant (Oak, 300ml).
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.
View Full Delivery & Returns PolicyWe take the utmost care with your payment and personal details. Our website employs advanced encryption technology, including Secure Sockets Layer (SSL), to protect your information during transmission. You can verify a secure connection by looking for 'https' and a locked padlock in your browser.
Cookies enhance your shopping experience by keeping track of your basket and remembering you when you return. We also use banner advertising based on your browsing history to present products of potential interest.
Beware of phishing scams! We will never ask for personal details via email. If such information is required, we'll request you to contact us by phone. If you receive an email requesting sensitive information, do not respond and let us know immediately.