Product Overview

DADCO POLYESTER DPA-180 is a premium APP modified bituminous waterproofing membrane reinforced with high-quality non-woven polyester mat. Manufactured from high-performance APP modified bitumen compound and coated with dimensionally stable polyester reinforcement, this membrane features thermo-fusible plastic film on both surfaces for superior bonding performance.

Key Characteristics

• Superior Surface Bonding: Excellent adhesion to concrete and substrate surfaces
• Easy Application: Simplified torch application process for efficient installation
• Chemical Resistant: Outstanding resistance to salts and water-prone chemicals
• Structural Flexibility: Accommodates building movements and thermal cycling
• High Temperature Stability: Maintains integrity at elevated temperatures
• 10-Year Warranty: Extended manufacturer warranty coverage

Applications

DADCO POLYESTER DPA-180 is engineered for comprehensive waterproofing requirements:

• Roofing Systems: Flat and low-slope roof waterproofing
• Basement Protection: Below-grade foundation waterproofing
• Tunnel Construction: Underground infrastructure applications
• Parking Structures: Car park deck waterproofing systems
• Wet Areas: Kitchen and bathroom waterproofing solutions

Application Tools Required

• Measuring tape and marking string for precise layout
• Protective gloves and safety goggles
• Gas torch for membrane fusion
• Knife and trowel for cutting and finishing work

Technical Specifications

Physical Properties:

• Size: 1×10 meters (ASTM D5147)
• Thickness: 4.0 mm (ASTM D5147)
• Unit Weight: 4.5 kg/m² (ASTM D5147)
• Softening Point: ≥155°C (ASTM D36)
• Penetration @25°C: 20±5 dmm (ASTM D5)
• Low Temperature Flexibility: 0 to -2°C (ASTM D5147)
• Heat Resistance 120°C: No Flow (ASTM D5147)

Mechanical Properties:

• Tensile Strength @23±2°C:
  • Longitudinal: 900 N/5cm (ASTM D5147)
  • Transversal: 800 N/5cm
• Tensile Strength (Alternative):
  • Longitudinal: 18 kN/m (ASTM D5147)
  • Transversal: 16 kN/m
• Elongation @23±2°C:
  • Longitudinal: 45% (ASTM D5147)
  • Transversal: 50%
• Tear Strength @23±2°C:
  • Longitudinal: 450 N (ASTM D4073)
  • Transversal: 400 N

Advanced Properties:

• Lap Joint Strength: 900 N (Longitudinal), 800 N (Transversal) (ASTM D5147)
• Static Puncture Resistance: L4 (25kg) (UEAtc MOAT 27)
• Dynamic Puncture Resistance: 14 (4-6mm indenter) (UEAtc MOAT 27)

Performance Characteristics:

• Water Absorption: ≤1% (ASTM D5147)
• Moisture Content: ≤1% (ASTM E96)
• Dimensional Stability: ≤1% (ASTM D5147)

Installation Process

1. Surface Preparation: Clean concrete surface thoroughly of all contaminants including dust, traces, and oils
2. Primer Application: Apply DADCO PRIMER D-41 using brush or roller, ensure complete drying
3. Membrane Positioning: Align rolls correctly with 10cm minimum overlap on both sides
4. Torch Bonding: Use gas torch to heat overlap areas and bond membrane sides effectively
5. Quality Assurance: Ensure complete fusion and watertight surface integrity

General Specifications

• Roll Length: 10 meters
• Roll Width: 1 meter
• Roll Thickness: 4mm
• Reinforcement: High-quality non-woven polyester
• Warranty Period: 10 years

Packaging & Storage

• Standard Format: Rolls of 1×10 meters
• Custom Lengths: Available upon request
• Storage Requirements: Rolls kept vertical and properly palletized
• Handling Guidelines: Pallets should not be stacked to prevent damage
• Weather Protection: Shrink-wrapped for moisture protection

Health & Safety

All safety measures must be implemented during application. Fire extinguishers should be readily available at the installation site. Workers must wear appropriate protective equipment throughout the application process.

Quality Standards

• ASTM D5147: Membrane specification compliance
• ASTM D4073: Tear resistance standards
• UEAtc MOAT 27: European puncture resistance testing
• IAF Certified: Manufacturing quality assurance
• ISO Standards: International quality compliance
• SASO Quality Mark: Saudi market approval