CT1 Multi-Purpose Adhesive & Sealant

CT1 is a market-leading sealant and adhesive that sets itself apart through its revolutionary TRIBRID® Technology—making it up to 360% stronger than traditional hybrid polymers. This advanced formulation delivers unmatched bonding performance, exceptional flexibility, and long-term durability across a huge range of materials. Whether you're sealing, repairing, or bonding in construction, marine, automotive, or domestic environments, CT1 offers a powerful, long-lasting solution—without the need for additional fixings.

Strong, Flexible, and Reliable on Almost Any Surface

CT1 is known for its unique ability to bond virtually any material, including: All metals (including lead) Glass and mirrors Wood and MDF Polystyrene and fibreglass Concrete and most stone surfaces (non-staining) Most synthetic materials and plastics (excluding PP, PE, and PTFE) It’s ideal for jobs where reliability and performance matter most, such as marine maintenance, bathroom sealing, roof repairs, or even underwater applications.

Advanced Features with Professional-Grade Results

Thanks to its TRIBRID® formulation, CT1 offers superior colour retention—meaning white stays white and clear stays clear over time. It’s also solvent-free, odourless, and non-shrinking, making it safer and easier to use in enclosed spaces or sensitive environments. CT1 is environmentally friendly and indoor air safe, with a range of certifications including: NAAF approval (Norwegian Asthma and Allergy Association) EC1 Plus A+ rating for Indoor Air Comfort ISEGA certification for food-safe use UV, vibration, and chemical resistance It even has moderate resistance to fungal and bacterial growth, making it suitable for bathrooms, kitchens, and outdoor environments. Plus, it’s paintable (see product guidance for specifics) and can be used on wet or dry surfaces—even underwater!

Key Features

Industry-leading TRIBRID® Technology Bonds to nearly all building and construction materials Solvent-free, non-shrinking, and odourless Exceptional flexibility and vibration resistance Suitable for wet, dry, and underwater use UV and chemical resistant Certified for indoor air quality and food preparation areas Available in white, clear, and various colours with excellent colour retention Paintable (refer to full product guidance)

Frequently Asked Questions

1. What makes TRIBRID® Technology better than traditional hybrid polymers?

TRIBRID® Technology makes CT1 up to **360% stronger** than conventional hybrid sealants. It also provides **longer-lasting flexibility, better colour stability**, and improved bonding on a wider range of materials.

2. Can CT1 be used in wet conditions or even underwater?

Yes! CT1 works **in wet or dry environments** and even adheres **underwater**, making it ideal for **marine repairs**, **bathroom sealing**, and **emergency outdoor fixes**.

3. Is CT1 safe to use around food or in homes with allergies?

Absolutely. CT1 is **ISEGA-certified** for use in **food preparation areas** and **approved by NAAF** (Norwegian Asthma and Allergy Association). It’s **solvent-free, odourless**, and **EC1 Plus A+ certified** for excellent indoor air quality.

At JJ Building Materials, we're committed to supplying quality building products at competitive prices, backed by the service and expertise you'd expect from an established independent merchant. Whether you're a trade professional managing large-scale projects or a homeowner taking on a DIY renovation, we're here to help you find the right products for the job.

As part of the JJ Roofing Supplies Group, we build on decades of experience supplying construction materials across the UK. We've expanded beyond roofing to offer a growing range of building materials, including timber, insulation, landscaping products, plumbing supplies, flooring, doors, bricks, fencing, garden buildings and much more – all available to order online with nationwide delivery.

We work with many of the industry's leading manufacturers to bring you trusted products that meet the highest standards of quality and performance. Our team is passionate about providing excellent customer service, competitive pricing and a straightforward shopping experience from start to finish.

When you shop with JJ Building Materials, you can expect:

• Competitive prices on leading brands and quality products.
• Nationwide delivery across the UK
  
• A constantly expanding range of building and landscaping materials.
  
• Friendly, knowledgeable customer support.
  
• A trusted business backed by the JJ Roofing Supplies Group.
  

Every order is personally reviewed by our experienced team to ensure everything is correct before dispatch. We offer delivery from as little as the next working day on selected products, so please refer to the dark blue Estimated Delivery box above for the expected delivery timeframe for this item.

We work with trusted manufacturers and specialist delivery partners to ensure your order arrives safely and on time. You'll receive tracking details once your order has been dispatched, and if we need to confirm any delivery details, one of our team will contact you directly to keep everything running smoothly.

Roof Tiles & Fittings:

We recommend ordering an additional 10% of roof tiles to allow for any breakages that may occur during delivery or handling. Roof tiles are naturally fragile, and having a few extra on site helps prevent delays and ensures your roofing project can be completed without interruption.