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Interlux Watertite 2-Part Epoxy Marine Filler Compound

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Interlux Paint
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Product Description

SKUPackage SizeRetail PriceOur PriceSavings 
ILX-YAV135500 ml$53.08$31.42You Save 41%
ILX-YAV135L1 Litre$88.24$52.22You Save 41%

Interlux Watertite 2-Part Marine Epoxy

Watertite is a quick drying 2-part epoxy filler suitable for use on Fiberglass, Metals, Epoxy and rigid Wood constructions. The formulation does not shrink and is
extremely water resistant, making it suitable for osmosis damage repairs. 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


Additional Information

Manufacturer Interlux Paint
Manufacture Part Number YAV135.1


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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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