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Sarnafil® TS 77-15 | MCT CHEMICALS | SIKA PAKISTAN PRIVATE LIMITED

Sarnafil® TS 77-15 is a high-performance, flexible, and durable thermoplastic polyolefin (TPO) membrane designed for high-quality waterproofing in roofing applications. It is a single-ply membrane reinforced with a polyester fabric, offering superior mechanical strength, weather resistance, and ease of installation. Sarnafil® TS 77-15 is engineered to perform in a wide range of weather conditions, offering long-lasting protection against water ingress, UV radiation, and extreme temperatures. It is perfect for both new construction and roof renovation projects and provides a reliable, energy-efficient, and low-maintenance roofing solution.

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Usage: Sarnafil® TS 77-15 is ideal for:

  • Mechanically fastened roofing systems.
  • Applications requiring high dimensional stability and resistance to environmental influences.
  • Roofing projects in hot and tropical climates.
  • Re-roofing over existing, carefully cleaned, and leveled bituminous roofing.

Application:

  • Surface Preparation: Ensure the substrate is clean, dry, and free from contaminants such as dirt, oil, grease, and coatings that may hinder adhesion. For metal substrates, degrease with Solvent T 660 before adhesive application.
  • Installation Method: Sarnafil® TS 77-15 is installed by loose laying without stretching or installing under tension. Overlap seams by 80 mm, weld immediately, and fix to the substructure using Sarnabar® fasteners. At upstands and penetrations, secure the membrane with Sarnabar®. The 4 mm diameter S-Welding Cord protects the roof covering against tearing and peeling off by wind uplift.
  • Welding: Overlap seams must be welded using electric hot air welding equipment. Welding parameters, including temperature, machine speed, airflow, pressure, and machine settings, must be evaluated, adapted, and checked on-site according to the type of equipment and climatic conditions prior to welding. The effective width of welded overlaps by hot air must be a minimum of 20 mm.

Coverage: Each roll of Sarnafil® TS 77-15 covers:

  • Length: 20.00 m
  • Width: 2.00 m
  • Roll weight: 66.00 kg
  • Thickness: 1.5 mm
  • Mass per unit area: 1.65 kg/m²

Advantages:

  • Proven performance over decades.
  • Various colors available.
  • Resistant to permanent UV exposure.
  • High dimensional stability due to glass fleece inlay.
  • Resistant to permanent wind exposure.
  • Resistant to all common environmental influences.
  • Resistant to micro-organisms.
  • Resistant to root penetration.
  • Compatible with old bitumen.
  • Hot air weldable without the use of open flames.
  • Recyclable.
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