Description
1. Product Overview
Waterproofing Membranes Bitumen SBS — Foundations are high-performance, polymer-modified bitumen sheets designed for foundational and below-ground waterproofing applications. Engineered with Styrene-Butadiene-Styrene (SBS) polymer, these membranes provide exceptional elasticity, tensile strength, and resistance to cracking, even under extreme temperature fluctuations. Their primary industrial use is to protect building foundations, basements, tunnels, and other subgrade structures from water ingress and moisture damage. The key value proposition lies in combining durability, long-term performance, and ease of installation, making it a reliable choice for civil engineering and construction projects. Strategically, these membranes reduce maintenance costs, enhance structural longevity, and support compliance with modern waterproofing standards.
2. Key Specifications & Technical Characteristics
- Chemical Composition / Material Components:
- Bitumen (SBS-modified)
- Reinforcement: Polyester or fiberglass mat
- Mineral surface coating (sand, slate, or talc) depending on variant
- Purity Level / Grade:
- Industrial-grade SBS polymer-modified bitumen
- Uniform polymer content for consistent mechanical performance
- Physical Characteristics:
- Form: Rolled sheets
- Color: Black with surface mineral coating
- Thickness: 3mm – 5mm (variant-dependent)
- Roll Size: Typically 1m × 10m
- Density: ~1.0–1.2 g/cm³
- High elongation at low temperature, tensile strength ≥500 N/50mm
- Packaging Options:
- Standard rolls with protective wrapping
- Palletized for bulk shipment
- Shelf Life:
- Up to 24 months under proper storage
- Store in dry, shaded conditions to prevent UV degradation
3. Core Industrial Applications
Primary Industries:
- Construction and civil engineering
- Infrastructure and tunneling projects
- Residential and commercial building foundations
Operational Use Cases:
- Waterproofing building foundations, basements, and retaining walls
- Subgrade protection in tunnels and underground structures
- Roofing underlays and protective barrier layers in specialty applications
Performance Advantages:
- Superior elasticity prevents cracking under structural movement
- SBS modification ensures high temperature stability and low-temperature flexibility
- Provides long-term water impermeability compared to traditional bitumen sheets
- Cost-effective solution by reducing repair frequency and lifecycle maintenance
4. Competitive Advantages
- Quality Consistency: Controlled polymer and bitumen content ensures uniform performance
- Supply Reliability: Continuous production and large inventory availability for project timelines
- Logistics Capability: Palletized rolls suitable for international shipping and bulk deliveries
- Price Competitiveness: Economical solution compared to alternative synthetic membranes
- Sustainability Benefits: SBS polymer allows longer service life, reducing replacement frequency
- Technical Support: Installation guidelines, safety datasheets, and project support available
These membranes are positioned as a strategic sourcing decision, providing engineers and procurement teams with a reliable, high-performance waterproofing solution that minimizes operational risk and enhances structural durability.
5. Commercial & Supply Information
- Minimum Order Quantity (MOQ): BULK 20MT
- Loading Capacity (MT per container): Approximately 20–22 MT per 20’ container, depending on roll thickness and packaging
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