Basement Tanking Membrane
Description
Technical Parameters
Basements operate under prolonged immersion in underground water; once waterproof layers fail, water seepage, dampness and mold growth emerge with extremely high repair difficulty and costs. Therefore, core assessment indicators for basement tanking membrane are long-term water immersion resistance and anti-water-channeling performance. Our basement tanking membrane is deeply optimized exclusively for basement waterproof scenarios, adopting high-strength polyester mat as the reinforcing substrate coated with water-resistant modified bitumen mixture and covered with separating materials on both sides, specially adapted for waterproof construction of base slabs, external walls and bearing platforms of basements. This basement tanking membrane undergoes long-term water immersion testing with physical performance attenuation rate below 5% after 180 days of water immersion, far superior to the industry average. Torch-on construction delivers fully fused lap joints forming an integrated waterproof layer to fundamentally eliminate water channeling phenomena. This basement tanking membrane has been deployed in hundreds of residential and commercial basement projects nationwide, maintaining stable waterproof effects even in regions with high underground water levels, earning recognition from numerous real estate developers and engineering contractors.
We have launched two major product series to match distinct construction processes of basements: external pre-paste variants adopting torch-on construction suitable for waterproofing of base slabs and outer sides of external walls; internal post-paste self-adhesive variants suitable for internal post-paste construction of underground continuous wall external walls. We specially add mold-proof and anti-microbial erosion components into the formula to avoid mold growth and microbial degradation in dark, damp basement environments for extended service life. Meanwhile, the high-strength substrate of the membrane can withstand extrusion from backfill soil and puncturing from steel bar construction to avoid easy damage and failure during construction. For agents, this product serves as a dedicated waterproof material for basement works with targeted design and obvious performance advantages. Paired with our auxiliary materials including joint sealing compound and reinforcing layers, it can deliver complete basement waterproof system solutions to boost project competitiveness and client stickiness.
Specification Parameters
|
Parameter Item |
Index (4mm polyester mat torch-on variant example) |
|
Substrate Type |
Long-fiber polyester felt |
|
Thickness Specifications |
3mm / 4mm |
|
Width |
1m |
|
Area per Roll |
10㎡ |
|
Soluble Matter Content |
≥2900g/㎡ |
|
Tensile Strength (Lengthwise / Crosswise) |
≥800N/50mm |
|
Low-Temperature Flexibility |
No cracking at -25℃ |
Application Fields
√ Waterproofing of base slabs for residential and commercial basements
√ Waterproofing of exterior walls, bearing platforms and ground beams of basements
√ Waterproofing of underground parking lots and civil air defense projects
√ Waterproofing of underground water tanks and pump houses
√ Structural waterproofing of subway stations and underground pipe galleries
√ Underground engineering works in areas with high underground water levels
Customization Capacity
We provide full specification customization services for basement tanking membrane. Thickness options include 3mm and 4mm; substrates can be polyester felt, glass fiber felt or composite felt; surface coverings are PE film, fine sand and self-adhesive layers. Formulas with enhanced water resistance and corrosion resistance can be customized according to underground water levels and soil corrosion conditions of projects. OEM private label production is supported, with packaging and shipping marks customized as per your brand requirements. Our R&D team can adjust formulas and provide customized samples within one week if you have special technical standards and performance requirements. The MOQ is flexible: 100㎡ for standard models and 500㎡ for customized versions. Mixed loading of different models is allowed to help you respond to various project demands flexibly and reduce inventory pressure.
Qualification Certifications
Our basement tanking membrane is produced in strict accordance with national standard GB 18242, and has passed ISO9001 Quality Management System Certification and ISO14001 Environmental Management System Certification. We can provide complete testing reports issued by third-party authoritative institutions, covering soluble matter content, tensile strength, elongation, low-temperature flexibility, water impermeability and long-term water immersion resistance. We are a member of China Waterproof Building Materials Association, and our products are listed in the Recommended Products Catalogue for Engineering Construction, serving as qualified suppliers for many large real estate developers and construction companies. For export markets, we can assist in handling relevant international certifications and testing procedures to help your products smoothly enter local markets. These certifications are powerful proof of quality and important endorsements for bidding and client development.
After-Sales Service
We provide full-cycle service guarantee for Basement Tanking Membrane. In pre-sales, professional technicians match the most suitable product models and construction plans according to project geological conditions and design requirements, and offer free technical consultation and sample services. During sales, exclusive account managers track orders throughout the process, synchronize production and inspection photos, fully record container loading, and prepare customs clearance documents in advance to ensure goods are delivered intact on schedule. After sales, we offer a 1-year warranty. Remote construction guidance is available to solve joint and lap problems on site. If any product quality problems occur, we will respond within 24 hours and propose solutions within 48 hours, with compensation methods such as resupplying goods or offering discounts on subsequent orders available. We conduct regular project follow-ups to collect feedback and continuously optimize product performance and service experience.
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