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.
 
  Interprotect 3000/3001
  Interprotect 2000E
  VC Tar2
Interprotect 3000/3001
V.O.C. compliant two part epoxy water barrier with Micro-Plates®. Can be used down 32ÞF/0ÞC. High Solids, works to temps below 32ÞF and has long overcoat window/times.
 
Interprotect 2000E
A superior two-part epoxy water barrier with Micro-Plates®, used in the prevention and repair of osmotic blistering.
 
VC Tar2
Two part epoxy water barrier for use with VC®17m Thin Film antifouling paint.
 
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