PROTECTIVE COATINGS
FEATURE SPONSOR
ULTIMATE PROTECTION FOR OFFSHORE WIND FARMS
Over the past ten years, the steady growth of large wind farms situated hundreds of miles offshore (the ‘Far Shore’ sector) has prompted the need for new technologies that can meet the demands of operating with increasingly hostile environments.
DEVELOPMENT
In 2011, Protective & Marine Coatings (PPG) developed SIGMASHIELD 1200, a solvent-free, phenolic epoxy coating developed to give more resilient long-term protection to offshore installations. The product has outstanding anticorrosive performance as well as excellent impact and abrasion resistance.
KEY ISSUES Greg Bausch says: “One of the key issues facing stakeholders is the need to balance protective performance with the cost and complexity of maintenance for these installations. We know that corrosion rates for unprotected steel can be as much as ten times the corrosion rate for inland structures.
“Therefore, coating systems specified for such critical locations must be easy to apply at construction-stage and proven for offshore exposure in order to give the specified high durability level with minimal maintenance.”
SOLUTION
“SIGMASHIELD 1200 fully addresses these requirements and is applied during new construction as a two-coat system
(no primer needed) to the splash zone and foundations of the tower.
“The product is easy to apply using heavy-duty, cold single-feed airless spray equipment, and exhibits excellent edge coverage with no shrinkage at high-film thickness – even in critical areas. These attributes improve both the efficiency and productivity of the in-shop painting process, and ensure that long in-service periods and minimal maintenance will be met.
OTHER RELATED FACTORS “Once in service, critical areas of the structure such as the transition zone, boat landings and access ladders will be securely protected from damage as a result of drifting ice, driftwood, other debris and the mooring of inspection vessels.
“The product also exhibits good resistance against a wide range of chemicals and solvents, and is resistant to well-designed cathodic protection.”
Greg Bausch Global Segment Power Protective & Marine Coatings (PPG)
88
www.windenergynetwork.co.uk
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