Yes — NuMetal Epoxy Putty can be applied over fully cured RustSeal. Follow these steps for best adhesion:
- Allow RustSeal to fully cure for at least 24 hours.
- Scuff the cured RustSeal with 320 grit sandpaper.
- Apply NuMetal Epoxy Putty to the scuffed surface.
Pro Tip: Always Seal First
Sealing the metal surface with RustSeal before applying NuMetal is highly recommended. Rust forming beneath the epoxy putty can cause it to lose adhesion and pop off over time. Sealing first ensures a permanent, rust-free repair.
Review the complete NuMetal Application Directions before starting your project.
A Complete Metal Repair System
RustSeal seals and protects the metal surface. NuMetal Epoxy Putty fills, bonds, and restores — together they deliver a permanent, rust-free repair.
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