Finishing Options

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Finishing Options

We offer the following finishing options for our metalwork:

Red Oxide Primer. This is a ‘no frills’ finish and the cheapest available option. We apply a single coat of red oxide primer (i.e an undercoat to the metalwork), ready for on site painting by others in whatever colour you like! On going maintenance will be required.

Red Oxide Primer and Painted Black. Here we apply a single coat of red oxide primer, allowing it to dry and then applying a single coat of satin matt black paint. The paint is sprayed on to the metalwork in our factory. We recommend that you apply at least one more coat of black paint subsequent to delivery or installation. We cannot state how long this will protect the metalwork from rusting, but it is advisable to touch up at least once a year or sooner. On going maintenance will be required.

Powder Coated Only. Metalwork can be finished as powder coated only. Although powder coating provides a lovely smooth finish, we discourage a powder coated only finish to externally exposed products as the metalwork beneath the powder coating can rust. In addition, powder coating can chip during installation or transport, resulting in exposed metalwork. Once the metalwork rusts or the powder coating chips, it is difficult to re-store as you cannot hand paint over a powder coated finish using traditional paint brush methods – it just won’t match or look right. Spray touch up is possible, but again it is not an ideal solution. Powder coated only is recommended for internal metalwork, but not to externally exposed items.

Galvanised Only. We are able to hot dip galvanise our products. Galvanising will stop the metalwork from rusting. This is a long term finish. Galvanising is usually considered to be an industrial finish and does not always produce a smooth surface. It is silver/grey in colour and is likely to become darker over time as it weathers. The metalwork can be left in a galvanised only state or it can be painted on top by first applying a mordant T-wash solution which acts as an undercoat to the paint. It can also be powder coated prior to delivery or installation.

Galvanised and Painted Black. The metalwork is galvanised by being dipped in a basin of hot zinc, then prepared with a mordant T-wash solution and then sprayed with one coat of black paint in our factory. The galvanising protects the underlying metalwork from rust, however you will need to maintain the black painted finish from time to time.

Galvanised and Powder Coated. This is expensive but ultimately one of the best finishes available for metalwork. It combines the benefit of an anti-rust undercoating to the metalwork (i.e. the galvanising) with a lovely smooth powder coated finish.


Picture of Ketan Makwana

Ketan Makwana

Ketan has 20 years of experience in the steel fabrication and metalwork industry (railing, metal gates, fencing). He has been leading the sales efforts at KP Engineering, based in Wembley, London, since 2004. Ketan brings a strategic vision to his role and enjoys sharing his industry knowledge through articles and presentations

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Google Reviews


I was very fortunate to find and use KP Engineering to design, make and fit some balustrades and a handrail to some steps that I have which seperate the top part of my garden from the bottom. Contact was extremely easy and the whole job was managed with ease by Ketan. The measurements were exact and included the curvature of the two top balustrades. The fitting was also managed extremely efficiently and the guys who did the work were extremely polite, tidy and despite the rain completed the work quickly. I couldn't be more delighted with the end result. I wasn't aware that my garden could be improved so much with the addition of the railings. Overall, I have no hesitation in saying that this Company does what it says, on time, efficiently and with a great design team as well.

Juliet Lysons Avatar Juliet Lysons
June 3, 2024

Fantastic service and product. KP have just manufactured and installed a gate to basement level, in keeping with my existing railings. Seamless process from survey through design to installation

Janina Rutherford Avatar Janina Rutherford
May 17, 2024

Great company! Good organised and very professional. Mr Ketan’s communication and updates very professional and final product is very high quality! Highly recommend company! 5 starts ⭐️⭐️⭐️⭐️⭐️

Vlad Sorge Avatar Vlad Sorge
April 12, 2024

KP Engineering Works Ltd were a pleasure to work with from the outset through to completion. They spent good time ensuring the measurements were perfect, and kept us up to date with each element of the design, build and installation. The product looks great and it really is built to a high quality, with high quality fixings mounting to the wall. I highly recommend working with the KP Engineering team.

Christopher Rigg Avatar Christopher Rigg
March 1, 2024

Excellent service and communication from start to finish. Ketan was great to deal with, and both the surveyor and installation team were very professional. Would highly recommend.

Chris Burns Avatar Chris Burns
January 18, 2024

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Our workshop will be closed during the festive period from midday 22 December 2023 and we will reopen on Tuesday 2 January 2024. During the festive period there may be delays in our response. Wishing all our customers a very Merry Christmas & Happy New Year!

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We cover Greater London & the Home Counties, and specialise in offering a Supply & Fit service.


Click here to read more about our Finishing Options



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