UK’s No.1 sealant—360% stronger with TRIBRID Tech. Bonds metals, glass & more. UV-resistant, waterproof & food-safe.
CT1 Blue Construction Sealant Adhesive is a revolutionary product featuring TRIBRID Technology, making it 360% stronger than traditional hybrid polymers. Scientifically proven to retain its colour—white stays white and clear stays clear—this high-performance sealant and adhesive is proudly Made in Britain.
Bonding Capabilities
Why CT1 is the UK’s No.1 Sealant & Adhesive
Available Colours (RAL Colour Guide):
Note: For mould and fungal resistance in bathrooms, use BT1 Bathroom Sealant & Adhesive.
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.