Pre-Applied Waterproof Membrane (Standard Modified Bitumen Adhesive Layer)

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  • Adhesive Layer: Single-layer.
  • Thickness: 4mm.
  • High-Strength, High-Elongation Backing: Provides excellent mechanical performance.
  •  Self-Adhesive Overlap Edge: Ensures secure, leak-proof installation.
  •  Pre-Applied Design: Simplifies on-site application.
  •  Durable Waterproof Performance: Resistant to puncture, impact, water pressure, heat, and low temperatures.

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Description

This pre-applied waterproof membrane is designed for high strength, excellent elongation, and reliable waterproof performance, featuring a self-adhesive overlap edge for easy installation and secure bonding.

The contact surface with the substrate is a bitumen-based adhesive layer, which is coated with sand particles to improve friction and facilitate secure adhesion during installation.

Physical & Mechanical Properties
• Tensile Load: ≥ 1000 N/50 mm
• Elongation at Maximum Load: ≥ 45 %
• Polyethylene Film Breaking Elongation: ≥ 120 %
• Nail Tear Strength: ≥ 400 N
• Puncture Resistance: ≥ 590 N
• Impact Resistance: 0.75 kg·m, no leakage
• Static Load Resistance: 20 kg, no leakage
• Heat Resistance: 70°C, 2 h, no slip, flow, or drop
• Low-Temperature Flexibility: -20°C, no cracks
• Water Penetration Resistance (Hydraulic Gradient): 0.8 MPa / 35 mm, 4 h, no water penetration
• Impermeability: 1.5 MPa, 120 min, impermeable
• Peel Strength with Cast-in-Place Concrete: ≥ 2.0 N/mm
• Peel Strength Between Membranes (Overlap Edge):
Untreated: ≥ 2.4 N/mm
Water-immersed: ≥ 2.4 N/mm

Adhesive Layer: Single-layer

Thickness: 4mm

Applications
• Basements
• Tunnels
• Bridges
• Other civil engineering waterproofing projects

Additional information

Thickness

1.5mm, 2.0mm

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