Altex Marine Surfacer Undercoat – Single Part


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Marine Surfacer Undercoat


Marine Surfacer Undercoat is designed for use in above water areas only.  It can be used:

  • As a surfacing and build coat in the Single Component topsides marine paint system.
  • As an adhesion/surfacing coat directly to suitably prepared fibre-glass gel-coat.
  • Direct to suitably prepared and sealed timber for cabin interiors.
  • As a tie coat and upgrade on existing sound enamel finishes after correct preparation
  • May be used as a gloss reducing additive in Marine Gloss Enamel (refer MGE Data Sheet).


  • Proven performance over many years in all above water applications
  • Excellent adhesion and obliteration
  • Good long term sandability
  • Excellent long term re-coatability with itself
  • May be used direct on suitably prepared gel-coat
  • Lead and chromate free
  • Good cure response and sandability make Marine Surfacer Undercoat an excellent surfacing medium to cover minor scratches etc

Available in 500ml, 1L & 4L

All Prices Include GST

Additional information

Size ml-litre

500ml, 1 Litre, 4 Litre