Interlux Watertite Epoxy Filler 500ml - Waterproof Gray Epoxy Fairing Compound for Fiberglass, Metal, Wood and Epoxy

Interlux Watertite is a waterproof, two-part epoxy fairing filler engineered for lasting repairs above and below the waterline. The gray, putty-consistency compound trowels on smoothly, cures hard, and sands to a fair surface, making it ideal for filling gouges, dents, and imperfections before priming and painting. Its water-resistant epoxy chemistry bonds tenaciously to fiberglass, metals, cured epoxy, and rigid wood for a durable, watertight repair.

Specifications

• Brand: Interlux
• Manufacturer Part Number: 5508072
• Product Type: Epoxy fairing filler
• Volume: 500 ml (16.91 fl oz)
• Color: Gray
• Material: Epoxy resin
• Form: Putty
• Viscosity: Medium
• Water Resistance: Waterproof
• Compatible Substrates: Fiberglass, metals, epoxy, rigid wood
• Weight: 1.5 lb
• UPC: 081948191357

How to Use

• Ensure the surface is clean, dry, and sound before application.
• Apply with the grain and work small areas at a time for best control.
• Allow the applied epoxy to fully cure before sanding; sand to a fair surface.
• Prime and finish once the repair is faired and dust-free.

Frequently Asked Questions

What is Interlux Watertite used for? Watertite is a waterproof epoxy fairing filler used to fill gouges, dents, and surface imperfections on boats above and below the waterline before priming and painting.

What color is Watertite epoxy filler? Watertite is gray, which provides a neutral base that is easy to prime and paint over.

How much product is in one container? Each container holds 500 ml, equal to about 16.91 fluid ounces.

What surfaces can Watertite be applied to? It is compatible with fiberglass, metals, cured epoxy, and rigid wood.

Is Watertite waterproof? Yes. Watertite is a waterproof, water-resistant epoxy filler suitable for use above and below the waterline.

What form does Watertite come in? It has a medium-viscosity putty consistency that trowels on smoothly and holds its shape while curing.

Can Watertite be sanded? Yes. Once fully cured, the filler can be sanded to create a fair, smooth surface ready for priming.

What material is Watertite made from? Watertite is formulated from epoxy resin for strong adhesion and a durable, waterproof repair.

How should the surface be prepared before applying Watertite? The surface must be clean, dry, and sound before application for the best bond and finish.

What is the manufacturer part number for this filler? The manufacturer part number is 5508072.

How much does the container weigh? The packaged weight is approximately 1.5 pounds.

Does Watertite need to be primed after use? Yes. After the repair is faired and free of sanding dust, prime and finish it with a compatible coating system.