Swastik Tar Industries

Bitumen Flashing Tape

Business Type Manufacturer, Exporter, Supplier, Retailer, Wholesaler, Importer

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Location Worldwide

Bitumen Based Flashing Tapes / Strip are cold applied self- adhesive tapes with one side bitumen adhesive protected by release film and other side is re-enforced aluminium foil. Aluminium surfaced self adhesive sealing bitumen strip which bonds instantly to provide a permanent watertight seal in all climates. Flashing tape is easily applied using hand pressure and steam roller, with no requirement for special equipment for cutting, forming or fixing.



  • Superior high temperature performance characteristics
  • Quick and easy application
  • Bonds to a wide range of building materials
  • Cost effective method of flashing, sealing and repair
  • Provides lasting protection in all climates
  • Safe in application, storage and transport



Flash Tape is used for flashing, sealing and repair against ingress of water for mobile homes, small commercial roofs, residential porches and dormers, from building, roof and gutter patching and on profile sheets. It can also be used as flashing on up stands



The application temperature should be between 5°C to 55°C. Application procedure may vary slightly depending upon site condition. The general recommended guideline for the application of the self adhesive waterproofing system is as follows:



  • Surface must be smooth, clean, and free from oil/grease and defects.
  • Gaps, deep hallows and depression greater than 3mm should be filled with an appropriate filler
  • For improved adhesion on porous or uneven surfaces, apply Swastik Oil Base Primer.
  • Using a dampened brush, apply Swastik Oil Base Primer
  • Do not leave the Swastik Oil Base Primer for more than 24 hrs. Prime only the area which will be covered by the membrane in a particular working day
  • Surfaces such as textured brick may require two coats, apply the second coat when the first coat has dried



Unroll only the required length and cut the pieces to the desired shapes and size. Place the pieces of membrane on the area to be covered and check whether they match profile of the marked substrate. Peel off the release film from the self adhesive side and start unrolling the membrane and press it to the surface. Smoothen the membrane from the center to the edges with a wooden press in order to remove any entrapped air. Further more on iron roller can be used for rolling on top of the applied membrane to ensure a proper and strong adhesion of the bitumen compound with the base surface ensure a minimum of 50mm overlap.



  • Roll Length : 10 Meter
  • Roll Width : 50mm,100mm,150mm,200mm (2”Inch, 4”Inch, 6”Inch & 1 Meter
  • Thickness : 1.2mm, 1.5mm.



Stored under cover, out of direct sunlight and protect from extreme temperature. In tropical climates the product must be stored in an air-condition environment. Shelf life is up to 12months when stored as per recommended storage condition.



FLASH TAPE contain sticky compound and can stick to human skin. In such cases use a soft cloth dipped in a suitable cleaner to remove the membrane.


Technical Specification

Properties  Test Standards Typical Values
Coating Bitumen - Rubber Modified self-adhesive Bitumen
Top surfacing - Aluminium foil
Low temperature cold flexibility (°C) ASTM D-1970 ≤-15
Heat resistance @ 80°C ASTM D-5147 No flow
Tensile strength (L/T)(N/mm²) - [ Film] ASTM D-882 40/45
Tear resistance (L/T)(N/mm) - [ Film] ASTM D-1004 20/20
Puncture resistance (N) ASTM E-154 >220
Reflectance, (%) EN 410 >60
Adhesion Strength (N/mm) Primed Substrate    
Self ASTM D-1000 1.8
Water absorption %wt. @ 23°C (24hrs) ASTM D-570 0.15
Crack bridging ability, (mm) ASTM C 836 >1

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