Illbruck OS111 Bituminous Sealant Black 310ml

Illbruck OS111 Bituminous Sealant Black 310ml – Sealants and Adhesives

The Illbruck OS111 Bituminous Sealant Black 310ml is a high-performance, solvent-based mastic specifically formulated for durable sealing in construction and roofing applications. This versatile sealant offers robust adhesion and reliable weatherproofing, ensuring long-lasting protection against water ingress and environmental wear.

• Volume: 310ml cartridge
• Colour: Black
• Base: Bituminous
• Application Temperature: +5°C to +40°C
• Service Temperature Range: -20°C to +80°C

Unlike conventional sealants, the Illbruck OS111 Bituminous Sealant Black 310ml delivers superior flexibility and resilience, making it a preferred choice for demanding roofing and guttering jobs. While industry-standard sealants often struggle under extreme temperature fluctuations, this bituminous sealant maintains its integrity and adhesion even in challenging weather conditions. When compared to previous models, the OS111 stands out for its improved formulation, which enhances both workability and longevity for professional and DIY users alike.

Key Technical Advantages:

• Outstanding weather resistance, ensuring long-term performance
• Excellent adhesion to bituminous substrates, metal, concrete, and roofing felt
• Flexible and crack-resistant, coping with structural movement and settlement
• Easy-to-apply cartridge, compatible with most standard applicator guns
• Ideal for sealing laps, joints, and seams on flat or pitched roofs

Technology and Performance

Using advanced bituminous technology, the Illbruck OS111 Bituminous Sealant Black 310ml ensures robust bonding and seals against water, delivering peace of mind for property owners and contractors. The formula remains supple after curing, accommodating movement and resisting shrinkage or cracking over time. Whether dealing with leaks, repairs, or preventative maintenance, this sealant provides a dependable solution that meets modern construction standards.

For those seeking maximum reliability in roof and gutter sealing tasks, the Illbruck OS111 Bituminous Sealant Black adds a layer of defence that outperforms many general-purpose alternatives. Its black finish blends discreetly with most roofing materials, offering a clean and professional result with every application. This product is an essential addition to any toolkit for those prioritising durable, flexible, and weatherproof sealants.