Interlux InterProtect Watertite Epoxy Filler (YAV135) is a two-part, easy to use, fast drying epoxy compound for filling holes and repairing scratches in gelcoat and fiberglass. Interprotect Watertite YAV135 is strongly recommended for filling gelcoat blisters below the waterline. It is recommended for use with the Interprotect Epoxy Barrier System or VC Tar2.
Interprotect Watertite YAV135 is an excellent fairing compound due to its unique two-phase cure, which gives a long easy-to-sand window. Interprotect Watertite YAV135 can be applied to a thickness of 3/4" without sagging and its superior spreadability makes it an ideal glazing compound for filling small nicks and scratches.
What is Gelcoat Blistering?
Osmosis is caused by a chemical reaction between water and unreacted substances remaining in the manufactured hull. Water breaches the exterior gelcoat and reacts with the chemical components creating acidic substances. These substances create pressure behind the gelcoat which causes blisters and eventually cracking. Once the gelcoat is breached in this manner, the underlying laminate is capable of absorbing water like a sponge.
Use the Interlux Interprotect system to treat and help prevent this insidious problem.
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