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Polymer Mastic

For the sealing of difficult and inaccessible details, WIDOPAN-FV mastic is the perfect solution. Consisting of a single component, fibre reinforced MS polymer, WIDOPAN-FV is lightweight, UV stable and remains flexible even at low temperatures. Applied with a sealant applicator gun, WIDOPAN-FV will seal gaps and cracks on virtually any substrate, without the need of additional reinforcement fleece. WIDOPAN-FV mastic is fully compatible with all Widopan resins

The key benefits of WIDOPAN-FV are;


  • Reliable sealing for cracks, gaps and inaccessible areas
  • Adheres to virtually any substrate
  • No additional reinforcement needed
  • Flexible even at low temperatures
  • Lightweight & UV stable
  • Can be applied in wet conditions
  • No heat required