Interlux Fiberglass Solvent Wash 202 removes mold release agents, wax, oil and grease from hulls of bare fiberglass boats. It is also effective in removing wax and silicone contamination from painted hull surfaces that are being prepared for repainting with Interspray Finish Coatings. It is essential to use Interlux Fiberglass Solvent Wash 202 prior to painting fiberglass gel coats, regardless of their age. Interluz Fiberglass Solvent Wash 202 is, in addition, an effective brush cleaner.