Protective coating for wind blade surface remediation

Engineered by Howard Grote & Sons for rapid repair of aging wind blades, trademarked Bladeskin coating technology was offered to the wind-blade repair market at WINDPOWER 2012.

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Engineered by Howard Grote & Sons (McFarland, Wis.) for rapid repair of aging wind blades, trademarked Bladeskin coating technology was offered to the wind-blade repair market at WINDPOWER 2012. The cured coating is said to be capable of 427 percent elongation, enabling it to absorb blade flex without cracking and to resist abrasion. The coating also provides protection from UV degradation and freeze/thaw damage. Coating preapplication procedures involve blade removal, sandblasting, patching and surface preparation. Prepped and applied correctly, the spray-coated Bladeskin material forms a seamless, monolithic whole-blade coating. The company claims that its coating has extended the life of blades in an Iowa wind farm without any failure or degradation issues after eight years of service.