What is the best type of paint for structural steel?

Structural steel designers and builders are often faced with the challenge of finding a protective coating system to protect their assets. 

These assets will need to be protected from the elements and any other damage caused by their operating environment.

And only coatings that meet the standards of ISO 12944 from a supplier with a comprehensive track record of providing cost effective solutions will offer the best long term asset protection.

You will most likely need a zinc phosphate anti corrosive that provides market leading application, fast drying and overall coverage, measured by cost per square metre applied.

Check out the range Pronto offers to those working with structural steel:

Quick Drying Industrial Zinc Phosphate primer (200:026)

General purpose anti-corrosive metal primer, giving a high build matt finish. Can be re-coated with most types of finish. Good resistance to salt spray, humidity etc.

https://prontopaints.co.uk/product/200026/ 

Quick Drying High Solids Zinc Phosphate Industrial Primer (207:516)

Pronto QD Zinc Primer is a compliant primer for steel fabrication that dries to give a mid sheen finish with good all-round exterior durability. It contains a phosphate-based anticorrosive protection system and offers resistance to certain chemicals, greases and oils.

Link https://prontopaints.co.uk/product/207516/ 

QD High Solids Industrial Primer (207 516)

Pronto QD High Solids Primer is a compliant primer for steel fabrication that dries to give a mid sheen finish with good all-round exterior durability. It contains a phosphate-based anticorrosive protection system and offers resistance to certain chemicals, greases and oils.

https://prontopaints.co.uk/product/207516/

Two Pack Epoxy Zinc Phosphate Primer (100:006 )

Combining an epoxy resin system with excellent anti-corrosive properties, 100:006 is designed to be a relatively quick drying two-component primer for various paint systems over shot blasted steel.

https://prontopaints.co.uk/product/100006/ 

Cold Galv Zinc Rich Primer (150 006)

Single pack sacrificial primer for steel. Excellent anticorrosive properties, dry film contains upto 95% Zinc by weight. Conforms to BS 4652 Type 2.

https://prontopaints.co.uk/product/150006/

Two Pack Epoxy Zinc Rich Primer (103:026)

Pronto Two Pack Zinc Primer is a relatively quick drying two-component primer for use beneath certain paint systems and is designed to be applied onto shot blasted steel. When used as part of a complete system, it provides excellent protection, excellent resistance to abrasion, chemicals, solvents and severe atmospheric exposure conditions.

https://prontopaints.co.uk/product/103026/ 

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Pronto Paints have been working in structural steel for over 30 years and have an exhaustively researched range of coatings for steel.

Want to book a callback or arrange a coating trial with one of our in-house experts? Drop an email to info@prontopaints.com

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View our structural steel products range here

Download the ISO12944 Guide to Structural Steel Coatings here 

Recommended reading

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What are the benefits of using specialist industrial coatings for structural steel?

How do I select the right coating for my structural steel project?

How do I prepare structural steel for painting with a specialist industrial coating?