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Altex Marine Surfacer Undercoat

Starting at: $31.00NZD

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

    Specific Data:

  • Generic Type: Modified Polyurethane
  • Colour: Slightly Off-White
  • Packaging: 500ml (NZ Only), 1 & 4 Litre, Single Component
  • Gloss: Flat
  • Flash Point: 35°C
  • Thinner: Altex Thinner #53 or #45
  • Storage: Store under cool, dry conditions
  • Density: 1.48 kg per litre
  • Volume Solids: 50%
  • Theoretical Coverage Rate: 10.7 sq metres per litre at 50 microns dry
  • Recommended Film Thickness Per Coat: 100 microns wet to obtain 50 microns dry
  • Application: Spray, brush or roller
  • Dry Times (50µm DFT/25°C/50% RH):
      Touch dry - 1 hour
      Dry to sand - overnight
  • Recoat Times (50µm DFT/25°C/50% RH): 6-8 hour min, with self or Marine Gloss Enamel, Aged recoat - maximum 1 week without sanding

  • Add to Cart:

    • Shipping Weight: 5lbs
    • Manufactured by: Altex

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    This product was added to our catalog on Friday 21 March, 2014.

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