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ISO 12944Corrosive protection of steel structures

by protective paint systems

Select Environment

Select DurabilitySelect System

A

BC

-

--

Pronto Industrial Paints

Award Winning British Coatings Manufacturer  ISO 12944

All rights reserved (C) 2013

The ISO 12944 standard is designed to assist anyone involvedin the design and construction of steel structures

This guide is intended to help choose the most appropriatePronto System for the project under consideration

If you want further details, don’t hesitate to get in touch

www.prontopaints.co.uk 

It’s as easy as ABC

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A

Pronto Industrial Paints

Award Winning British Coatings Manufacturer 

Corrosive Environment

(ISO 12944-2)

C1 - Very Low

C2 - Low

 

C3 - Medium

C4 - High

 C5I - Very High (Industrial)

C5M - Very High (Marine)

Typical Environments

Exterior Interior

Heated buildings with cleanatmospheres, eg offices, shops,hotels and schools

Unheated buildings wherecondensation may occur, egsports halls, warehousing

Production rooms with highhumidity and some air pollution,eg food processing plants,laundries, breweries and dairies

Chemical plants, swimming pools,coastal boatyards

Buildings or areas with almostpermament condensation andwith high pollution

Buildings or areas with almostpermament condensation andwith high pollution

Atmospheres with low levelof pollution. Mostly rural areas

Urban and Industrialatmospheres, moderatesulphur dioxide pollution.Coastal areas with low salinity

Industrial areas and coastalareas with moderate salinity

Industrial areas with highhumidity and aggressiveatmospheres

Coastal and offshore areaswith high salinity

Select the Environment

Most projects take place in and around the city, this is normally classified as a C3 environment.

B Select Life to 1st Major Maintenance

System Durability

Low 

Medium

 High

Years to firstMajor Maintenance

Less than 5 years

 5 to 15 years

 More than 15 years

ISO 12944

How long do you want it to last beforedoing any major maintenance?Consider where the steelwork will end up,will you be able to access it readily

All rights reserved (C) 2013www.prontopaints.co.uk 

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Pronto Industrial Paints

Award Winning British Coatings Manufacturer 

Corrosive Environment

C1

C2

C3

C4

C5I

C5M

System Durability

Low Medium High

P10

P10, P11, P50

P11, P50, P56

P53, P55

P55

P55

C Select a System

ISO 12944

v1.02 Mar 2013All rights reserved (C) 2013www.prontopaints.co.uk 

P10

P11, P50

P11, P51, P56

P53, P55

P55

P55

P10

P11, P51

P52, P56

P54, P55

-

-

Pronto System

P10

P11

 P50

 P51

 P52

 P53

 P54

P55

P56

Product ReferenceDry Film Thickness

(microns)

ISO 12944-5System Ref

5030

160 

8040

8080

14060

16080

20080

6013050

605050

80

160 

120

160

200

240

280

240

160

Product System

A2.01

A3.05 

A2.06

A2.07A3.08

A3.09

A4.08

A4.09

A4.12A5I.04

A5M.05

A3.11

200:026202:000

450:004 

100:006360:000

100:006360:000

100:006360:000

100:006360:000

100:006360:000

103:026100:006360:000

103:026100:006360:000

QD High Build Primer QD Gloss Finish

ProTect Vinyl 

2 Pk Epoxy Primer 2 Pk Poly Finish

2 Pk Epoxy Primer 2 Pk Poly Finish

2 Pk Epoxy Primer 2 Pk Poly Finish

2 Pk Epoxy Primer 2 Pk Poly Finish

2 Pk Epoxy Primer 2 Pk Poly Finish

2 Pk Epoxy Zinc Rich2 Pk Epoxy Primer 2 Pk Poly Finish

2 Pk Epoxy Zinc Rich2 Pk Epoxy Primer 2 Pk Poly Finish

Note, the above systems are based upon a low alloy carbon steel substrateSurface Preparation - shotblast to Sa2.5 from rust grade A,B or C (See ISO 8501-1)For further information, consult the relevant product technical data sheets