Dewaxers & Strippers
Why Dewaxers & Strippers Are Essential for Marine and RV Paint Work
Whether you're refreshing the hull of a boat or refinishing the exterior of an RV, one truth holds across every successful paint job: surface preparation is everything. Dewaxers and strippers are the first and most critical step in any refinishing project. Skipping this stage — or rushing through it — leads to poor adhesion, peeling topcoats, and wasted time and materials. These products exist to chemically remove old wax, silicone contamination, oxidized coatings, antifouling paint, and other residues that physically prevent new coatings from bonding properly.
Dewaxers vs. Strippers: Understanding the Difference
Though often grouped together, dewaxers and paint strippers serve slightly different roles. A dewaxer (sometimes called a wax-and-grease remover) cleans the surface of wax, oils, and silicones without necessarily removing the underlying paint layer. This is ideal when you want to repaint over an existing, sound coating. A paint stripper, on the other hand, penetrates and lifts the paint film itself — down to bare substrate — giving you a completely fresh starting point. Knowing which product your project requires can save hours of labor and prevent costly re-dos.
Key Considerations When Shopping Dewaxers & Strippers
- Surface compatibility: Not all strippers are safe on fiberglass, gel coat, aluminum, or wood. Always verify product compatibility with your specific substrate before applying.
- Chemical formula: Some traditional strippers use methylene chloride for aggressive action, while newer formulas offer methylene-chloride-free options that are safer for both the user and the environment.
- VOC compliance: Certain states restrict the sale of high-VOC solvents. Look for VOC-compliant options if you're in a regulated region.
- Dwell time: Heavier paint buildup — especially multiple seasons of marine antifouling — may require extended dwell times or repeat applications.
- Biodegradability: For marina and waterway use, environmentally safe, biodegradable formulas are strongly preferred and may be required by local regulations.
Top Brands in Marine & RV Dewaxers and Strippers
Klean-Strip is one of the most recognized names in paint removal. Introduced in 1946, Klean-Strip has grown into a trusted leader in refinishing products, offering formulas that tackle acrylics, lacquers, polyurethanes, baked enamels, epoxies, and urethanes across automotive, marine, and general surfaces. Their lineup includes liquids, gels, and aerosols in both traditional and low-VOC options.
Seahawk Paints brings deep marine expertise to their dewaxer and stripper products. Their marine paint stripper features a biodegradable, nonflammable, low-odor formula with no methylene chloride or harsh solvents — making it an outstanding choice for environmentally sensitive waterway environments. It removes copper-based antifoulings, enamels, teak oil finishes, urethanes, rubber-based deck paints, latex, and lacquers, while remaining safe on gel coat, fiberglass, aluminum, and wood. Their S-90 dewaxer rounds out their prep lineup for bottom painting projects.
Eastwood Company is well respected among restorers and fabricators for professional-grade surface prep products. Their wax and grease removers are formulated to eliminate all surface contaminants before primer and paint application, helping ensure maximum adhesion on metal and composite panels used in RV and specialty vehicle builds.
Dupli-Color rounds out the category with targeted paint prep solutions trusted by automotive and marine DIYers alike. Their surface prep products are designed to work in tandem with their broader finishing line, helping ensure clean, contaminant-free substrates that are ready for topcoat application.