FulaSeal 780 Plumbers Silicone Aluminium 300g (Box of 20)



FulaSeal™ 780 Plumbers Silicone Sealant is a non-corrosive neutral cure sealant that can be used on a wide range of substrates. It is ideal for roofing applications, exterior cladding, guttering, flashing, downpipes, general plumbing and is compatible with drinking water storage systems.

Key Benefits

  • For use with potable (drinking) water (AS4020)
  • Permanently flexible; ±25% joint
  • movement capability
  • Interior/exterior
  • Neutral cure – will not corrode steel or galvanised iron
  • Waterproof


  • Used in sheet metal roofing applications
  • Exterior metal wall cladding
  • Sealing guttering, downpipes and flashings
  • Sealing of ductwork and ventilation systems
  • Water tank construction
  • Re-bonding of loose ridge-capping and valley tiles
  • Bonding of gutter leak prevention systems

Compatible Substrates

  • Steel
  • Aluminium
  • Zinc/galvanised steel
  • Masonry
  • Ceramic
  • Lead
  • Fibreglass
  • Plasterboard
  • Terracotta
  • Many plastics (pre-test)
  • Glass