Page 39: of Maritime Reporter Magazine (May 2022)
Green Ship Technologies
GREEN TECH FEATURE COATINGS
Conrad Shipyard constructed The
Providence at its Morgan City, Louisiana, yard using steel primed with Zinc Plate
Ultra II PCP, a two-component, inorganic preconstruction zinc shop primer.
Photos courtesy The Sherwin-Williams Company
Systems like the 100%-solids Fast- pared two approaches, noting that all coats. The FastClad ER system only re-
Clad ER have been predominantly re- parties involved would realize signi? - quires one coat – and no stripe coating. served for U.S. Navy vessels where lon- cant bene? ts with the proposed FastClad It is also applied at a higher total ? lm ger maintenance intervals are desired to ER speci? cation compared to using build of 20 to 30 mils DFT, providing reduce the overall cost of ownership for traditional coatings. First, applicators additional protection.
vessels. The Navy has had success with would save two coating application the coating, to the point of retiring some steps, several hours of curing time and Dialing In Coating Applications vessels with tanks that have outlasted all of the associated labor costs with the For Conrad Shipyard, the 100% solids the ships themselves. FastClad ER material. Second, the own- coating speci? cation triggered a train- “We were not aware of the FastClad er would realize far longer service lives. ing opportunity for its crew. Because
ER system prior to this project, but I was Traditional systems require a stripe the shipyard’s applicators were unfamil- not surprised that Biblia was looking for coat over welds, edges, corners and dis- iar with spraying this type of coating, a longer lasting coating system for the turbed areas to build up ? lm thickness Sherwin-Williams and Graco provided dry dock,” said David Forrest, P.E., Na- prior to applying two full coats at 5 to hands-on training at a Mobile, Alabama, val Architect for JMS. “We were happy 7 mils DFT for a total of 10 to 14 mils Sherwin-Williams store. Company reps to look at other coating systems with a DFT, with slightly higher thicknesses on helped pump operators understand how track record of increased lifespan.” stripe-coated areas. Each coat requires to dial in settings to enable good ? ow
To help make the case for the more time to complete the applications, as and atomization of the thick, ultra-high robust coating, Sherwin-Williams com- well as six- to eight-hour waits between solids material. Sprayed in one coat at www.marinelink.com 39
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