How to Paint Realistic Rust on Warhammer 40,000 Miniatures

October 11, 2026

Rust is one of the quickest ways to make armour, vehicles and terrain look as though they have survived years of war. It is also easy to overdo: a model covered in flat orange looks muddy rather than ancient. Realistic rust comes from a few tones layered in the right places.

The short answer: start with a dark brown base on the metal, stipple a mid orange-brown over it with a torn sponge or old brush, add a few tiny dots of bright orange for fresh corrosion, then pull thin rust-coloured streaks downwards from bolts and edges. Keep rust where water would sit or run, and leave raised edges as bright worn metal.

Three ways to paint rust compared

Method	Skill level	Speed	Texture	Best for
Stippled acrylic layers	Beginner	Medium	Flat to slight	Infantry weapons, armour trim
Rust wash or effect paint	Beginner	Fast	None	Whole squads, quick tabletop finish
Pigment and matt medium paste	Intermediate	Medium	Raised, crusty	Vehicles, wrecks, terrain
Hairspray or salt chipping	Intermediate to advanced	Slow	Flat, very realistic	Large vehicle panels, terrain

What colours do I need for rust?

Three is enough: a very dark brown (almost black-brown), a mid red-brown or burnt orange, and a bright orange for highlights. A dull blackish brown for the deepest pits and a pale orange-tan for dried, dusty rust are useful extras. Variety between these tones is what sells the effect.

Where does rust actually form?

Where moisture collects and paint has worn away: around bolts and rivets, in panel seams, at joints, under ledges, at the bottom of hulls and along scratches. Flat upper surfaces rust less than you might expect because water runs off them. Thinking like rain is the simplest way to place it convincingly.

How do I stipple rust with a sponge?

Tear a small piece of foam so it has a rough edge, dab it into paint, then remove almost all of it on a tissue. Press it lightly onto the model in random patches, starting with the darkest brown, then the mid tone over a smaller area, then a few touches of bright orange. Less paint on the sponge always looks better.

How do I paint rust streaks?

Use a thinned rust-coloured paint or wash and a fine brush. Touch the brush to a bolt or seam and draw it straight down in the direction gravity would pull, fading the line as you go. A damp clean brush run down the streak softens it if it looks too crisp.

Should I paint metal before adding rust?

It depends on the look. For heavy corrosion you can paint rust directly over a dark base and add bare metal only on worn edges. For lightly rusted steel, paint the metal first using our metallics guide, then apply rust sparingly so the steel still reads as steel.

How do I make rust look textured?

Mix rust-coloured weathering pigment with a little acrylic matt medium into a paste and stipple it on with an old brush. It dries with a rough, crusty finish that catches light like real corrosion. Our weathering pigments guide covers fixing and finishing.

What is the hairspray chipping technique?

You paint the rust layer first, seal it, spray a light layer of hairspray, then add the top paint colour. Once dry, a damp stiff brush or toothpick scrubs through the top coat and reveals the rust underneath in natural-looking chips. It takes practice, so try it on a spare part or terrain piece before a centrepiece model.

How do I stop rust looking like mud?

Keep some bright orange in the mix, keep rust tightly placed rather than spread everywhere, and contrast it with clean areas and bright metal edges. Mud and rust overlap in colour, so if you are also adding mud and dirt, keep the mud lower and browner and the rust redder and higher up around metal fittings.

Should I varnish rust effects?

Yes, with matt. Gloss makes rust look wet and plasticky, which only suits fresh corrosion near water. A matt finish keeps the chalky, oxidised look. See how to varnish miniatures for coats and conditions.

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