Beta Gum SBS Waterproofing Membrane – 4mm
Quick Facts:
- • SKU: BGSBS4
- • Type: SBS‑modified bitumen waterproofing membrane
- • Brand: Beta Gum
- • Thickness: 4mm
- • Color: Black (polyethylene or mineral finish depending on variant)
- • Packaging: Standard rolls (commonly 1m × 10m)
- • Application: Roofs, basements, foundations, retaining walls, concrete decks
- • Performance: High elasticity, crack‑bridging, UV resistance, durable waterproofing
- • Standards: Conforms to ASTM D6163/D6164 for SBS modified bitumen membranes
Key Features & Benefits
Beta Gum SBS Waterproofing Membrane – 4mm is a flexible, high‑performance membrane manufactured with styrene‑butadiene‑styrene (SBS) modified bitumen, offering superior elasticity and durability compared to conventional bitumen sheets.
Its 4mm thickness ensures strong protection against water ingress, while its elastic composition allows it to bridge minor cracks and withstand structural movements. Available in polyethylene film or mineral finish, it is suitable for both exposed and covered applications.
Ideal for roofing systems, basements, foundations, and retaining walls, Beta Gum SBS Membrane provides long‑lasting waterproofing performance even under harsh environmental conditions.
Why Choose Beta Gum SBS Waterproofing Membrane – 4mm?
Beta Gum is a trusted brand in waterproofing solutions, known for reliable and durable membranes. The SBS modification enhances adhesion, elasticity, and resistance to temperature variations, making it a preferred choice for contractors and engineers.
Its combination of UV resistance, crack‑bridging ability, and long‑term durability makes it ideal for residential, commercial, and industrial projects, ensuring dependable waterproofing protection.









