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Interlux Watertite 2-Part Epoxy Marine Filler Compound

SKU # ILX-YAV135.1

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SKUPackage SizeRetail PriceOur PriceSavings 
ILX-YAV135500 ml$53.08$30.79You Save 42%
ILX-YAV135L1 Litre$88.24$51.18You Save 42%

Interlux Watertite 2-Part Marine Epoxy

This is a 2-part,easy to use epoxy compound for filling holes and repairing scratches in gelcoat and fiberglass above and below the waterline. It has a long easy-to-sand window and can be applied to a thickness of 3/4" without sagging. Its superior spreadability makes it an ideal glazing compound for filling small nicks and scratches.

  • Area: Above and below water
  • Finish: Sheen, Matte
  • Number of Coats: As required
  • Pack sizes: 500 ml / 1 Lt


Manufacturer Interlux Paint
Manufacture Part Number YAV135.1
How To Apply



COVERAGE: 25 sq. ft/gal.

APPLICATION TEMP: 45°F Min. / 95°F Max.

THINNER: Do Not Thin

Temp To Touch Sandable To Launch Pot Life To Recoat
95°F 20 MIN 3 HR 36 HR 10 MIN 10 HR
73°F 35 MIN 5 HR 2 DAY 15 MIN  5 HR
50°F 50 MIN 8 HR 5 DAY 25 MIN 4 HR

Note: At 7°C/45°F the pot life is 30 mins and the product is sandable after 24 hrs, immersion after 6 days.

METAL: Above water: Pre-prime with Viny-Lux Primewash 353/354. Apply one coat of Epoxy Primekote. Sand surface with 80-120 grade (grit) paper, wipe clean. Apply Watertite*. Below water: Prime with Interprotect 2000E or Interprotect 3000.

BARE FIBERGLASS: Clean with Fiberglass Surface Prep YMA601 or Fiberglass Solvent Wash 202. Sand with 80 grade (grit) paper. Remove sanding residue.

APPLICATION INFORMATION: Mix in a 1:1 ratio by volume it is important to ensure the correct volume mix ratio is used. Mix the two components thoroughly to an even colour. Do not use below 7°C. Do not apply more than ¾" thickness at any one time. Product temperature should be minimum 10° C/50°F and maximum 35°C/95°F. Ambient temperature should be minimum 7°C/45°F and maximum 35°C/95°F. Substrate temperature should be minimum 7°C/45°F and maximum 35°C/95°F. Apply using a trowel, spatula or putty knife. When the product has cured, wash with fresh water and sand with 80 grade (grit) paper. Apply to clean, dry, properly prepared surfaces only. Watertite* must be overcoated with VC Tar, VC Performance Epoxy, Interprotect 2000E/2001E or Interprotect 3000/3001. Do not apply topside finishes, polyester or vinylester materials over Watertite*.

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