Product Overview

DADCO POLYESTER DPA-200 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 maximum 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-200 is engineered for the most demanding 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)
• Compound Stability: 120°C (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 stocked on top of each other
• 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 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