Bostik Block B450 SBS XL

BLOCK B450 SBS XL is a high-performance, SBS polymer-modified self-adhesive waterproofing membrane. Its bitumen compound is laminated onto an impervious, non-perforated, cross-laminated HDPE film, offering superior protection against water and vapor infiltration. Designed specifically for tropical climates, this membrane ensures long-lasting durability and ease of application. Read more Read less Features: - Designed for Tropical Climates – Formulated to withstand high temperatures and humidity. - Superior Water & Vapor Barrier – Effectively protects concrete structures from moisture damage. - Hassle-Free Application – Peel-off self-adhesive silicone film allows easy and quick installation. - Excellent Adhesion – Bonds securely to both vertical and horizontal surfaces. - Chemical Resistant – Resists chlorides, sulfates, alkalis, and acids for long-term durability. - High Strength & Flexibility – Offers outstanding tear resistance, puncture resistance, and tensile strength. - Temperature Resilience – Maintains flexibility at low temperatures and has a high softening point. - Below-ground structures - Retaining walls - Subways and tunnels - Basement waterproofing - Tanking applications Specifications: Product type: Sbs-modified self-adhesive waterproofing membrane Application area: Waterproofing