Maston Hammer Spray Can Review

Updated Jun 12, 2026 | Posted Oct 17, 2022 | Paints | 0 comments

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Maston Hammer is an aerosol metal paint that is currently available from The Range in various colours. You can apply it directly to rust or bare metal without issue, and it will block stains from bleeding through the finish. The drying time is approximately 15 minutes.

 

My Maston Hammer Spray Can Review

 

I’m a professional decorator, but until recently, I’ve always been a bit old-school when it comes to painting railings, gates, and other metalwork. I would use traditional products such as Hammerite. The issue with these products is that they are very thick, gloopy, and generally do not give you a very nice finish.

Maston Hammer is different. Being an aerosol makes application much quicker, especially in tighter areas. The nozzle must have taken a lot of development because it produces a flat, narrow, fine spray pattern, which is perfect for this sort of work.

Being a spray paint, and as fine as it is, you are left with a factory-type finish on the painted surface. No more horrible brush and roller marks associated with old-fashioned metal paints. The opacity is amazing too! The material is quite viscous, but two coats are easily enough to cope with a significant colour change.

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Another advantage is the drying time! I’m used to metal paints having a recoat time of 4–6 hours, which means you struggle to apply more than one coat of paint to your metalwork in a day. Even the newer water-based metal paints have recoat times of four hours or more. Maston Hammer takes a mere 15 minutes! So, not only is it much faster to apply, but you can almost start the second coat straight after the first.

The only downside of using Maston Hammer over conventional paint is that it is harder to flood imperfections. This comes down to the method of application; it is much easier to force paint into a tight crevice with a brush than it is with an aerosol. That said, with a little care, you can still achieve an amazing finish with Maston Hammer, even on the roughest of surfaces.

 

Maston Anti Rust Primer Review

 

Maston Hammer can be applied directly to rust, so you do not really need an anti-rust primer. That said, I normally use one anyway, especially if the surface I am painting has heavy corrosion. Most decorators I know use oxide primers for this, but they come in liquid form and take around 16 hours to dry! Maston Anti-Rust Primer only takes 15 minutes and is a lot easier to apply. So, even if you are not using Maston Hammer as your topcoat, it is still worth having a tin of Maston Anti-Rust Primer handy when painting any metalwork.

For more information on any Maston product, please visit https://www.maston.fi/en/front-page 

Review Summary

Maston Hammer Spray Can Review - Decorator's forum UK

A spray paint that consists of a rust primer and topcoat, predominantly used to coat metal.

Product Brand: Maston

Editor's Rating:
4.7

Pros

  • Interior or exterior use.
  • Very quick and easy to apply.
  • Great for applying paint onto fiddly surfaces.
  • Fine spray.
  • Short drying time.

Cons

  • I’m not sure on longevity, but I've seen nothing to suggest a surface painted with this won't last for years.
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FAQs

 

What spray paint is best for metal?

Maston Hammer is the best spray paint we have used on metal. It is a specialist paint, so it has been developed to perform as well as possible on metal surfaces.

 

Do I need to prime before spray painting metal?

Provided you use a specialist metal paint, you will not normally require a primer before spraying metal. However, we advise treating any rust before you start, even if your metal paint claims to contain rust inhibitors.

 

Can I spray metal paint on wood?

You can. However, metal paint is not particularly flexible, and wood expands and contracts when exposed to changes in temperature and moisture. So, do not expect metal paint to last very long on exterior wood, although it is generally fine for interior use.

 

Can I spray paint metal without sanding?

You should always sand. This aids adhesion by creating a key and helps to ensure the surface is smooth.

 

How to keep spray paint from chipping off metal?

Ensure your preparation is carried out properly before painting the metal. This helps with adhesion. The other tip I can give you is to use a good-quality metal paint such as Maston Hammer.

Updated Jun 12, 2026 | Posted Oct 17, 2022 | 0 comments

About the Author

About the Author

Mike Cupit has been in the decorating industry since 2002 and has mostly worked as a Trade Decorator in the domestic sector (peoples’ homes). Self-proclaimed “product geek”, Mike has a passion for paint and decorating tools. Mike now spends most of his time testing paint products and tools, comparing them to similar products on the market, and blogging about the industry in general. Connect with him on LinkedIn.

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