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International Perfection Undercoat

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International Perfection Undercoat is a high performance two-part polyurethane undercoat which is suitable for all finishes.  It is easy to apply and sand and has excellent gloss hold out of finish coats.  Part A is the base and Part B is a curing agent; mixing ratio details are included on the container.


  • International Perfection Undercoat is formulated for use above the waterline on hull, bilge/lockers, exterior and interior cabin and trims
  • Substrates: suitably prepared and primed cured GRP/composite, wood, steel, aluminium, cured epoxy primer/filler
  • Application method: brush, roller
  • Practical coverage: 11.8m²/litre
  • Recommended number of coats: 1 to 2
  • Touch dry: 2 to 11 hours (temperature dependent)
  • Sandable: 12 to 48 hours (temperature dependent)
  • Overcoat time (Interdeck/Perfection/Toplac): minimum 8 hours to 32 hours; maximum 1 day to 4 days (temperature dependent)
  • Finish: semi-gloss

Should not be used over any one pack products. 

    International Perfection Undercoat