PPG Duraprep Prep 400 – Professional Surface Cleaner & Degreaser

The Essential First Step for a Flawless Coating Bond

Wax, Grease & Contaminant Removal Before Every Coat

PPG Duraprep Prep 400 is a professional-grade surface cleaner and degreaser formulated to remove wax, grease, silicone, and other surface contaminants before applying coatings. Proper surface preparation is the foundation of any high-performance finish — and Prep 400 ensures your substrate is clean, dry, and ready to bond.

Compatible with a wide range of PPG coating systems, Duraprep 400 is the trusted pre-application cleaner for anyone who demands adhesion, durability, and a finish that lasts.

• Removes wax & grease — eliminates surface contaminants that cause adhesion failure and fisheye defects
• Silicone & oil removal — cleans residues that compromise coating performance and longevity
• Improves adhesion — prepares the substrate for maximum coating bond strength
• Fast-acting formula — cleans efficiently without leaving residue or requiring excessive scrubbing
• Compatible with PPG systems — recommended prep cleaner for use with PPG topcoats, primers, and specialty coatings
• Professional results — the critical prep step that protects your coating investment from the ground up