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To paint a metal object is to give it a good appearance but also to protect it. provided you choose the right paint and follow the rules of application.

Repainting iron furniture

To renovate garden furniture, especially outdoor metal parts such as the gate or window railings, use special metal paint.
Often solvent-based, it has antirust agents and therefore does not require an undercoat. But as a precaution apply anyway "Minium" orange or gray as a protective undercoat.
The enamel paint, meanwhile, will give a lacquered effect to the metal. These paints are applied by brush or roller. But to go faster, use a paint gun that will give a more consistent.
Namely: the metal paint is long to dry: it takes a night between each layer.
Acrylic paints (also known as water-based paints) respect the environment and are less harmful to health. But they do not fit naturally on the metal. It is necessary to apply beforehand a sub-layer for metals. In addition, acrylic paints are sensitive to moisture, and the application of a topcoat is therefore essential (waxes for wood may be suitable).

Renovation steps of a painted metal object

Renovation steps of a painted metal object

Remove existing paint with a heat gun.

Restoring metal: how to repaint the iron?: repaint

Too rusty parts are removed with a spatula. Use a gas torch if necessary.

Restoring metal: how to repaint the iron?: metal

Thoroughly rub the metal surface with a steel wire brush to remove rust and burnt paint.

Restoring metal: how to repaint the iron?: iron

Apply a specific paint for the metal. The notice recommends diluting it in white spirit, but the professionals do not do it.

Restoring metal: how to repaint the iron?: iron

In the case of a water-based paint, preliminarily, with the brush, an undercoat for acrylic paint.

Restoring metal: how to repaint the iron?: repaint

Make the mixture of chosen acrylic paint in a small glass jar. Brush cleaning is done with clear water.

Restoring metal: how to repaint the iron?: repaint

The undercoat dries in 2 hours.
Then paint the support. Two layers are needed.
Wait 2 hours between each layer.

Restoring metal: how to repaint the iron?: paint

When the acrylic paint is dry, use wood wax (or acrylic paint), applied with a brush, to protect it from corrosion.


Video Instruction: How to Paint a Rusted Wrought Iron Railing