Brunox Epoxy Rust Treatment Aersol

If you are dealing with pitted rust on a classic car or doing a small to medium-sized cosmetic repair, this stuff is great. Brunox Epoxy will chemically neutralise hidden rust deep inside the metal pores and seamlessly create a hard, protective epoxy barrier ready for your body filler or primer layers.

What makes this product a game-changer over other rust converters on the market is its unique epoxy resin foundation. Standard converters leave a soft, latex-like skin that actively rejects body fillers and wrinkles under strong automotive paint solvents. Brunox dries rock-hard, meaning you can safely apply body filler or high-build primer straight over the top without worrying about reactions, lifting, or peeling later down the line.

I highly recommend keeping this in your workflow because of how incredibly versatile and user-friendly it is.

My go-to method is to grind the area down with 80-grit paper, clean the surface, and apply 3 to 4 coats of this aerosol to fully seal the bare steel. It is exceptionally fast-drying when using a heat gun or infrared lamp to flash it off between coats. Once left to cure fully for 24 hours, it turns a deep, obsidian black. From there, you can go straight over it with your body filler—just make sure to press the first layer firmly into the pits to displace any trapped air. If you prefer extra insulation before your filler, you can spray a 2K high-build primer directly onto it, sand that primer layer down with P500 grade paper, and you are good to go.

If you want a professional-grade aerosol rust treatment that stops corrosion in its tracks, offers a rock-hard epoxy foundation, and prevents your bodywork from bubbling later, this is a workshop essential for your garage projects.

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