OS111 Bituminous Sealant & Adhesive – High-Performance Wet-Surface Repair & Waterproofing

OS111 is a professional-grade bituminous sealant and adhesive engineered for tough, real-world conditions. It bonds and seals even on damp, wet, or fully submerged surfaces, making it a go-to solution for emergency repairs, roofing work, and long-term weatherproofing.

Key Features

Apply on damp, wet or submerged substrates – perfect for urgent leak repairs and unpredictable weather.
Exceptional adhesion to roofing felts (including APP & SBS membranes), metals, masonry, plastics, concrete and more.
Long-term resistance to weathering, ageing and UV exposure for durable, reliable performance.
Flexible waterproof finish ideal for sealing overlaps, joints, edges and penetrations.
Multi-purpose formulation suitable for sealing, bonding, fixing and remedial repair work.

Ideal For

Sealing leaks, cracks and emergency repairs — even in the rain.
Bonding roofing felts, membranes and waterproofing layers.
Waterproof finishing around chimneys, roof edges, light domes, vents and pipe penetrations.
Fixing rainwater drainage components to roofing substrates.
Connecting damp courses and other waterproofing wall details.
Securing overlaps of roofing felt at rising walls.
Temporary remedial work for plumbing and external services.

Suitable Substrates

Roofing felts (APP & SBS)
Metal surfaces (steel, aluminium, zinc)
Masonry, brick, concrete, render
Plastic / UPVC
Bitumen-based surfaces
Many common roofing and building materials

ILLBRUCK BITUTIX BITUMEN SEALANT 310ml

THIS ITEM IS ONLY AVAILABLE IN STORE