Ronseal White Gloss One Coat Radiator Paint - 750ml

Ronseal One Coat Radiator Paint in White Gloss is a brush-applied radiator enamel formulated to give full, even colour coverage from a single coat in most cases, saving time compared to traditional two-coat radiator enamels. This 750ml tin is a practical size for multiple radiators and gives a durable, high gloss white finish that resists yellowing.

Key Features

• One coat formula for full opacity in most applications, saving time
• High gloss white finish with good colour retention
• Brush application for full control around panels, valves and pipework
• Good flow and levelling to minimise visible brush marks
• Heat resistant formula suited to normal domestic radiator temperatures
• Suitable for steel and cast iron radiators, pipes and towel rails
• Larger 750ml size, ideal for several radiators or a full room

How to Use

Turn the radiator off and allow it to cool completely before starting. Clean the surface to remove grease, dust and any wax or polish residue. If you are painting over an existing glossy finish, lightly key it with fine abrasive paper so the new paint has a surface to bond to, then wipe away the dust. Treat any rust with a suitable rust treatment and prime any bare metal before applying this topcoat.

Stir the paint well before use. Apply an even coat with a good quality brush, working in the direction of any panel ridges and avoiding overloading the brush to prevent drips and runs. This one coat formula is designed to give good opacity from a single application over most existing colours, though a heavily contrasting or very dark base colour may still benefit from a light second coat once the first has dried. Allow the radiator to cure fully, typically 24-48 hours, before switching the heating back on so the paint hardens properly.

Technical Specifications

Frequently Asked Questions

Does one coat radiator paint really only need one coat?

In most cases yes, this formula is designed to give full opacity from a single coat over an existing similar colour. Very dark or heavily stained surfaces may still benefit from a light second coat for the most even finish.

Can you paint a radiator with gloss?

Yes, a dedicated radiator gloss like this Ronseal one coat paint is designed specifically to withstand the heat a radiator produces, unlike standard household gloss which can discolour or lose adhesion over time.

How do you paint a radiator?

Turn the radiator off and let it cool fully, clean and lightly key the surface, treat any rust, then apply the paint evenly with a brush, checking coverage once dry before deciding whether a second coat is needed.

How long does radiator paint take to dry?

This one coat formula is typically touch dry within around 2 hours. Allow around 24-48 hours for a full cure before turning the radiator back on.

Can you use ordinary gloss paint on a radiator instead?

Ordinary household gloss is not formulated to withstand sustained radiator heat and can discolour, soften or lose adhesion over time. A dedicated radiator paint like this one is designed to cope with those conditions.

Can you paint radiator pipes with this?

Yes, this paint is also suitable for pipework, giving a neat, matching gloss finish when applied carefully with a brush.