ISO12944 C4 Environment Coatings

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ISO12944 C1 to C5 Corrosion Protection Systems
C4 Environments

C4 Environments externally typically are industrial areas and / or coastal areas with moderate salinity. Internally, typical environments include chemical plants, swimming pools and coastal shipyards.

Scroll to the bottom of this page for a full list of suppliers and their specifications.

Download the manufacturer specifications for steel systems below:

Sherwin Williams Macropoxy 400 - Formerly Leighs Epigrip C400V3
A multi functional epoxy coating suitable for the protection of steelwork in a range of exposure environments from C1 to C5.

From £138.97 £115.81
Sherwin Williams Fast Clad 7220
A multi-functional low temperature curing phenalkylated zinc phosphate coating for the protection of carbon steel.

From £368.12 £306.77
Sherwin Williams Macropoxy 646 Epoxy Primer Finish
A versatile high performance polyamide cured epoxy designed to fulfil the needs of both new construction and maintenance painting to steel, aluminium ...

From £197.74 £164.78
Sherwin Williams Acrolon 1850 Acrylic Epoxy Finish
A two pack isocyanate free finish based on an acrylic epoxy binder system. NORSOK M501 Rev 6 System 1.

From £173.16 £144.30
Sherwin Williams Macropoxy 267 - Formerly Leighs Epigrip C267V3
A high solids 2 pack epoxy, pigmented with MIO (Micaceous Iron Oxide) certified under Highways Agency No112.

From £98.80 £82.33
Sherwin Williams Zinc Clad IV EU Formerly M501
An 2 pack epoxy zinc rich anti corrosive primer for the protection of steel surfaces.

From £555.12 £462.60
Sherwin Williams Acrolon 7300 Acrylic Finish
A high solids, tin free, PU with fast drying and high gloss attributes for use where long term exterior gloss and colour retention is required.

From £115.68 £96.40
Sherwin Williams Envirolastic 2500
Suitable for use in a range of markets where durable performance and aesthetics are needed.

From £396.36 £330.30

CATEGORY	BRAND	SYSTEM	DRY FILM THICKNESS	EXPECTED DURABILITY
C4 Low	Jotun	Jotun Pilot QD Jotun Pilot II or Pioner Topcoat	120µm 40µm	< 5 Years
	Jotun	Jotun Penguard HSP ZP or Penguard Express ZP Jotun Hardtop AX or Hardtop XP	70µm 50µm	< 5 Years
	Jotun	Jotun Barrier 80 Jotun Hardtop AX or Hardtop XP	50µm 70µm	< 5 Years
	Jotun	Jotun Barrier 80	60µm 180µm 60µm	< 5 Years
	PPG	PPG Sigmafast 278	150µm	< 5 Years
	PPG	PPG PSX 700	125µm	< 5 Years
	PPG	PPG Sigmafast 278 PPG Sigmadur 550 H	100µm 50µm	< 5 Years
	Selemix	Selemix 7-413 Selemix 7-410	195µm total	< 5 Years
	Selemix	Selemix 7-413 Selemix 7-110	220µm total	< 5 Years
	Sherwin Williams	Sherwin Williams Macropoxy 400	120µm	< 7 Years
	Sherwin Williams	Sherwin Williams Macropoxy 646	120µm	< 7 Years
	Sherwin Williams	Sherwin Williams Macropoxy 267	120µm	< 7 Years
	Sherwin Williams	Sherwin Williams Envirolastic 2500	120µm	< 7 Years
	Teamac	Teamac Rapidry Zinc Phosphate P218 Teamac Rapidry Zinc Phosphate P218 Teamac Rapidry G750	45µm 90µm 50µm	< 7 Years
	Teamac	Teamac 2 Pack Epoxy Zinc Phosphate Q113 Teamac 2 Pack PU P101	70µm 60µm	< 7 Years
	Teamac	Teamac Metaclor P149 Teamac Metaclor P149 Teamac Chlorinated Rubber G149	70µm 60µm	< 7 Years
C4 Medium	Carboline	Carboline Carboxane 2000	150µm	7 - 15 Years
	Carboline	Carboline Carboxane 2000 Satin	150µm	7 - 15 Years
	Carboline	Carboline Carboxane 2100 FC	150µm	7 - 15 Years
	Hempel	Hempel Hempaprime Multi 500 Winter Hempel Hemucryl 48120	100µm 80µm	7 - 15 Years
	Jotun	Jotun Pilot QD Jotun Pilot QD Jotun Pilot II or Pioner TC	80µm 80µm 40µm	5 - 15 Years
	Jotun	Jotun Barrier 80 Jotun Hardtop AX or Hardtop XP	80µm 100µm	5 - 15 Years
	Jotun	Jotun Penguard HSP ZP or Penguard Express ZP Jotun Hardtop AX or Hardtop XP	120µm 60µm	5 - 15 Years
	Jotun	Jotun Barrier 80 Jotun Hardtop AX or Hardtop XP	60µm 100µm	5 - 15 Years
	PPG	PPG Sigmafast 278	150µm	5 - 15 Years
	PPG	PPG PSX 700	125µm	5 - 15 Years
	PPG	PPG Sigmafast 278 PPG Sigmadur 550 H	100µm 50µm	5 - 15 Years
	PPG	PPG Sigmafast 278 PPG PSX 700	60µm 125µm	5 - 15 Years
	PPG	PPG Sigmazinc 68 SP PPG PSX 700	50µm 100µm	5 - 15 Years
	PPG	PPG Sigmazinc 68 SP PPG Sigmafast 278 PPG Sigmadur 550 H	50µm 80µm 50µm	5 - 15 Years
	International	International Intercure 251HS International Interthane 990	130µm 50µm	5 - 15 Years
	International	International Intercure 4500	180µm	5 - 15 Years
	Sherwin Williams	Sherwin Williams Fast Clad 7220 Sherwin Williams Acrolon 7300	125µm 55µm	7 - 15 Years
	Sherwin Williams	Sherwin Williams Fast Clad 7220 Sherwin Williams Acrolon 1850	100µm 80µm	7 - 15 Years
	Sherwin Williams	Sherwin Williams Fast Clad 7240 Sherwin Williams Acrolon 1850	100µm 80µm	7 - 15 Years
	Sherwin Williams	Sherwin Williams Fast Clad 7240 Sherwin Williams Acrolon 7300	125µm 55µm	7 - 15 Years
	Sherwin Williams	Sherwin Williams Macropoxy 400 Sherwin Williams Acrolon 7300	125µm 55µm	7 - 15 Years
	Sherwin Williams	Sherwin Williams Macropoxy 646 Sherwin Williams Acrolon 7300	125µm 55µm	7 - 15 Years
	Sherwin Williams	Sherwin Williams Envirolastic 2500	180µm	7 - 15 Years
	Sherwin Williams	Sherwin Williams Macropoxy 400	180µm	7 - 15 Years
	Sherwin Williams	Sherwin Williams Macropoxy 400 Sherwin Williams Macropoxy 400	90µm 90µm	7 - 15 Years
	Sherwin Williams	Sherwin Williams Macropoxy 400 Sherwin Williams Acrolon 1850	100µm 80µm	7 - 15 Years
	Teamac	Teamac 2 Pack Epoxy Zinc Phosphate Q113 Teamac 2 Pack Epoxy Zinc Phosphate Q113 Teamac 2 Pack PU P101	60µm 60µm 60µm	7 - 15 Years
	Teamac	Teamac 2 Pack Epoxy Zinc Phosphate Q113 Teamac 2 Pack Epoxy Zinc Phosphate Q113 Teamac 2 Pack PU P101	60µm 120µm 60µm	7 - 15 Years
C4 High	Carboline	Carboline Carbozinc 858 Carboline Carboguard 635 Carboline Carbothane 134 HG	225µm	15 - 25 Years
	Carboline	Hot Dip Galvanized Carboline Carboguard 635 Carboline Carbothane 134 HG	175µm	15 - 25 Years
	Carboline	Carboline Carboguard 690 Carboline Carbothane 134 HG	175µm	15 - 25 Years
	Carboline	Carboline Carbozinc 858 Carboline Carboguard 60 Carboline Carbothane 134 HG	200µm	15 - 25 Years
	Carboline	Carboline Carbozinc 859 Carboline Carboguard 893 SG	200µm	15 - 25 Years
	Carboline	Carboline Carboguard 60 Carboline Carboguard 60	200µm	15 - 25 Years
	Carboline	Carboline Carbozinc 808 Carboline Carboguard 890	175µm	15 - 25 Years
	Carboline	Carboline Carbozinc 859 VOC Carboline Carboguard 890 LT	275µm	15 - 25 Years
	Carboline	Carboline Carbozinc 859 Carboline Carboguard 890	300µm	15 - 25 Years
	Carboline	Carboline Carbomastic 615 AL Carboline Carbothane 134 HG	250µm	15 - 25 Years
	Hempel	Hempel Hempadur Avantguard 750 Hempel Hempathane HS 55610	75µm 125µm	15 - 25 Years
	Hempel	Hempel Hempadur Avantguard 750 Hempel Hempaprime Multi 500	60µm 140µm	15 - 25 Years
	Hempel	Hempel Hempadur Avantguard 750 Hempel Hempadur 47300	60µm 140µm	15 - 25 Years
	Hempel	Hempel Hempadur Avantguard 550 Hempel Hempaprime Multi 500 Hempathane HS 55610	40µm 100µm 60µm	15 - 25 Years
	Hempel	Hempel Hempadur Avantguard 550 Hempathane HS 55610	75µm 125µm	15 - 25 Years
	Hempel	Hempel Hempadur Avantguard 550 Hempel Hempathane Fast Dry 55750	60µm 140µm	15 - 25 Years
	Hempel	Hempel Hempaprime Multi 500 Hempel Hempaprime Multi 500	120µm 120µm	15 - 25 Years
	Hempel	Hempel Hempaprime Multi 500 Hempathane HS 55610	180µm 60µm	15 - 25 Years
	Hempel	Hempel Hempaprime Multi 500 Hempel Hempathane Fast Dry 55750	180µm 60µm	15 - 25 Years
	Hempel	Hempel Hempaprime Multi 500 Hempel Hemucryl 48120	160µm 80µm	15 - 25 Years
	Hempel	Hempel Hempadur Mastic 45880/W Hempathane HS 55610	180µm 60µm	15 - 25 Years
	Hempel	Hempel Hempadur Fast Dry 17410 Hempel Hempathane HS 55610	120µm 120µm	15 - 25 Years
	Hempel	Hempel Hempadur 47300	240µm	15 - 25 Years
	Hempel	Hempel Hempadur 47300 Hempel's Pro Acrylic 55883	190µm 50µm	15 - 25 Years
	Hempel	Hempel Hempadur Speed-Dry ZP 500 Hempel Hempathane Fast Dry 55750	180µm 60µm	15 - 25 Years
	Hempel	Hempel Hempadur Speed-Dry ZP 600 Hempel Hempathane HS 55610	160µm 80µm	15 - 25 Years
	Hempel	Hempel Hempathane Fast Dry 55750 Hempel Hempathane Fast Dry 55750	120µm 120µm	15 - 25 Years
	Hempel	Hempel Hempatex High-Build 46410 Hempel Hempatex High-Build 46410	120µm 120µm	15 - 25 Years
	Hempel	Hempel Hempatex High-Build 46410 Hempel Hempatex High-Build 46410 Hempel Hempatex Enamel 56360	100µm 100µm 40µm	15 - 25 Years
	International	International Interzinc 52 International Intergard 475HS International Interthane 990	60µm 90µm 50µm	> 15 Years
	Jotun	Jotun Pilot QD Jotun Pilot QD Jotun Pilot II or Pioner Topcoat	100µm 100µm 60µm	> 15 Years
	Jotun	Jotun Barrier 80 Jotun Penguard HSP ZP or Penguard Express ZP Jotun Hardtop AX or Hardtop XP	60µm 120µm 60µm	> 15 Years
	Jotun	Jotun Penguard HSP ZP or Penguard Express ZP Jotun Hardtop AX or Hardtop XP	180µm 60µm	> 15 Years
	Jotun	Jotun Barrier 80 Jotun Penguard HSP ZP or Penguard Express ZP Jotun Hardtop AX or Hardtop XP	60µm 80µm 60µm	> 15 Years
	PPG	PPG SigmaFast 278 PPG SigmaFast 278	100µm 100µm	> 15 Years
	PPG	PPG SigmaFast 278 PPG SigmaDur 550H	170µm 50µm	> 15 Years
	PPG	PPG SigmaFast 278 PPG PSX 700	60µm 125µm	> 15 Years
	PPG	PPG Amerlock 2 PPG Sigmadur 550US	175µm 75µm	> 15 Years
	PPG	PPG Amerlock 2 PPG PSX 700	175µm 75µm	> 15 Years
	PPG	PPG Sigmazinc 68 SP PPG PSX 700	50µm 100µm	> 15 Years
	PPG	PPG Sigmazinc 68 SP PPG PSX 700	50µm 125µm	> 15 Years
	PPG	PPG Sigmazinc 68 SP PPG SigmaFast 278 PPG Sigmadur 550 H	50µm 80µm 50µm	> 15 Years
	PPG	PPG Sigmazinc 68 SP PPG Sigmacover 410 MIO PPG Sigmadur 550 H	60µm 100µm 60µm	> 15 Years
	Sika	Sika Poxicolor Rapid Sika SikaCor EG-120	100µm 100µm	> 15 Years
	Sherwin Williams	Sherwin Williams Fast Clad 7220 Sherwin Williams Fast Clad 7220 Sherwin Williams Acrolon 1850	80µm 80µm 80µm	15 - 25 Years
	Sherwin Williams	Sherwin Williams Macropoxy 400 Sherwin Williams Acrolon 7300	190µm 50µm	15 - 25 Years
	Sherwin Williams	Sherwin Williams Sher-Loxane 800 Sherwin Williams Sher-Loxane 800	120µm 120µm	15 - 25 Years
	Sherwin Williams	Sherwin Williams Macropoxy 400 Sherwin Williams Envirolastic 2500	140µm 100µm	15 - 25 Years
	Sherwin Williams	Sherwin Williams Macropoxy 400 Sherwin Williams Macropoxy 400	120µm 120µm	15 - 25 Years
	Sherwin Williams	Sherwin Williams Macropoxy 646 Sherwin Williams Acrolon 7300	190µm 50µm	15 - 25 Years
	Sherwin Williams	Sherwin Williams Fast Clad 7220 Sherwin Williams Acrolon 7300	190µm 50µm	15 - 25 Years
	Sherwin Williams	Sherwin Williams Macropoxy 400 Sherwin Williams Acrolon 1850	160µm 80µm	15 - 25 Years
	Sika	Sika SikaCor 6630 High Solid Sika SikaCor 6630 High Solid	100µm 100µm
	Sika	Sika SikaCor EG-1 Sika SikaCor EG-5	80µm 80µm
	Sika	Sika SikaCor 2440 MF Sika SikaCor EG-5	190µm 50µm
	Sika	Sika Poxicolor Rapid Sika SikaCor EG-120	120µm 120µm
	Sika	Sika Permacor 2204 VHS Sika SikaCor EG-5	160µm 80µm
	Sika	Sika SikaCor 6630 High Solid Sika SikaCor 6630 High Solid Sika SikaCor 6630 High Solid	80µm 100µm 100µm
	Teamac	Teamac 2 Pack Epoxy Zinc Phosphate Q113 Teamac 2 Pack Epoxy Zinc Phosphate Q113 Teamac 2 Pack PU P101	60µm 120µm 60µm
C4 Very High	Hempel	Hempel Hempadur 15553 Hempel Hempathane HS 55610	80µm 120µm	> 25 Years
	Hempel	Hempel Hempadur 47300 Hempel Hempathane Speed-Dry Topcoat 250	250µm 50µm	> 25 Years
	Hempel	Hempel's Epoxy Primer HV 15410 Hempel Hempadur 47300 Hempel Hempathane Topcoat 55210	50µm 100µm 50µm	> 25 Years
	Hempel	Hempel Hempaprime Multi 500 Hempel Hempathane Fast Dry 55750	220µm 80µm	> 25 Years
	Hempel	Hempel Hempaprime Multi 500 Hempel Hempathane HS 55610	220µm 80µm	> 25 Years
	Hempel	Hempel Hempaprime Multi 500 Hempel Hempathane HS 55610	240µm 60µm	> 25 Years
	Hempel	Hempel Hempaprime Multi 500 Hempel Hempathane HS 55610	240µm 60µm	> 25 Years
	Hempel	Hempel Hempadur Speed-Dry ZP 600 Hempel Hempathane Fast Dry 55750	200µm 100µm	> 25 Years
	Hempel	Hempel Hempadur Avantguard 750 Hempel Hempaprime Multi 500 Hempel Hempathane Speed-Dry Topcoat 250	60µm 120µm 80µm	> 25 Years
	Hempel	Hempel Hempadur Avantguard 750 Hempel Hempadur 47300 Hempel's Pro Acrylic 55883	60µm 120µm 80µm	> 25 Years
	Hempel	Hempel Hempadur Avantguard 750 Hempel Hempadur Mastic 45880/W Hempel Hempathane HS 55610	60µm 120µm 80µm	> 25 Years
	Hempel	Hempel Hempadur Avantguard 750 Hempel Hemucryl 48120 Hempel Hemucryl 48120	60µm 100µm 100µm	> 25 Years
	Hempel	Hempel Hempadur Avantguard 750 Hempel Hempaprime Multi 500 Hempel Hempathane HS 55610	50µm 120µm 60µm	> 25 Years
	Hempel	Hempel Hempadur Avantguard 550 Hempel Hempadur 47300 Hempel Hempathane Fast Dry 55750	60µm 120µm 80µm	> 25 Years
	Jotun	Jotun Barrier 80 Jotun Penguard HSP ZP or Penguard Express ZP Jotun Hardtop AX or Hardtop XP	60µm 180µm 60µm	> 25 Years
	Jotun	Jotun Penguard HSP ZP or Penguard Express ZP Jotun Penguard HSP ZP or Penguard Express ZP Jotun Hardtop AX or Hardtop XP	120µm 120µm 60µm	> 25 Years
	Jotun	Jotun Barrier 80 Jotun Penguard HSP ZP or Penguard Express ZP Jotun Hardtop AX or Hardtop XP	60µm 140µm 60µm	> 25 Years
	PPG	PPG SigmaFast 278 PPG SigmaFast 278	125µm 125µm	> 25 Years
	PPG	PPG SigmaFast 278 PPG Sigmadur 550 H	200µm 80µm	> 25 Years
	PPG	PPG SigmaFast 278 PPG SigmaFast 278 PPG Sigmadur 550 H	120µm 120µm 80µm	> 25 Years
	PPG	PPG Sigmashield 880	300µm	> 25 Years
	PPG	PPG Sigmazinc 68 SP PPG PSX 700	75µm 125µm	> 25 Years
	PPG	PPG Sigmazinc 68 SP PPG Sigmafast 278 PPG Sigmadur 550 H	60µm 160µm 50µm	> 25 Years
	PPG	PPG Sigmazinc 68 SP PPG Sigmacover 410 MIO PPG Sigmadur 550 H	60µm 160µm 50µm	> 25 Years
	Sherwin Williams	Sherwin Williams Macropoxy 400 Sherwin Williams Macropoxy 400 Sherwin Williams Acrolon 7300	125µm 125µm 50µm	> 25 Years
	Sherwin Williams	Sherwin Williams Macropoxy 646 Sherwin Williams Macropoxy 646 Sherwin Williams Acrolon 7300	125µm 125µm 50µm	> 25 Years
	Sherwin Williams	Sherwin Williams Macropoxy 400 Sherwin Williams Macropoxy 400	150µm 150µm	> 25 Years
	Sherwin Williams	Sherwin Williams Macropoxy 400	300µm	> 25 Years
	Sherwin Williams	Sherwin Williams Macropoxy 400 Sherwin Williams Acrolon 7300	250µm 50µm	> 25 Years
	Sherwin Williams	Sherwin Williams Macropoxy 400 Sherwin Williams Acrolon 1850	225µm 75µm	> 25 Years
	Sherwin Williams	Sherwin Williams Macropoxy 646 Sherwin Williams Acrolon 7300	250µm 50µm	> 25 Years
	Sherwin Williams	Sherwin Williams Macropoxy 646 Sherwin Williams Acrolon 1850	225µm 75µm	> 25 Years
	Sherwin Williams	Sherwin Williams Zinc Clad IV Sherwin Williams Macropoxy 267 Sherwin Williams Acrolon 7300	60µm 150µm 50µm	> 25 Years
	Sherwin Williams	Sherwin Williams Zinc Clad IV EU Sherwin Williams Macropoxy 646 Sherwin Williams Acrolon 7300	60µm 150µm 50µm	> 25 Years
	Sherwin Williams	Sherwin Williams Zinc Clad IV EU Sherwin Williams Macropoxy 267 Sherwin Williams Acrolon 7300	60µm 150µm 50µm	> 25 Years
	Sherwin Williams	Sherwin Williams Zinc Clad IV EU Sherwin Williams Envirolastic 2500	60µm 200µm	> 25 Years
	Sherwin Williams	Sherwin Williams Zinc Clad IV EU Sherwin Williams Sher-Loxane 800 Sherwin Williams Sher-Loxane 800	60µm 100µm 100µm	> 25 Years
	Sherwin Williams	Sherwin Williams Fast Clad 7220 Sherwin Williams Envirolastic 2500	125µm 175µm	> 25 Years
	Sherwin Williams	Sherwin Williams Fast Clad 7220 Sherwin Williams Fast Clad 7220 Sherwin Williams Acrolon 1850	110µm 110µm 80µm	> 25 Years
	Sherwin Williams	Sherwin Williams Fast Clad 7220 Sherwin Williams Fast Clad 7240 Sherwin Williams Acrolon 1850	75µm 145µm 80µm	> 25 Years
	Sherwin Williams	Sherwin Williams Fast Clad 7220 Sherwin Williams Fast Clad 7220 Sherwin Williams Acrolon 7300	125µm 125µm 50µm	> 25 Years
	Sherwin Williams	Sherwin Williams Fast Clad 7220 Sherwin Williams Fast Clad 7240 Sherwin Williams Acrolon 7300	75µm 175µm 50µm	> 25 Years
	Sherwin Williams	Sherwin Williams Macropoxy 400 Sherwin Williams Envirolastic 2500	175µm 125µm	> 25 Years
	Sherwin Williams	Sherwin Williams Zinc Clad IV Sherwin Williams Macropoxy 400 Sherwin Williams Acrolon 7300	60µm 150µm 50µm	> 25 Years
	Sherwin Williams	Sherwin Williams Zinc Clad IV EU Sherwin Williams Macropoxy 400 Sherwin Williams Acrolon 1850	60µm 150µm 50µm	> 25 Years
	Teamac	Teamac 2 Pack Epoxy Zinc Phosphate Q113 Teamac 2 Pack Epoxy Zinc Phosphate Q113 Teamac 2 Pack PU P101	60µm 150µm 60µm
	Teamac	Teamac 2 Pack Epoxy Zinc Phosphate Q113 Teamac 2 Pack Tie Coat Q115 Teamac 2 Pack PU P101	60µm 100µm 60µm