Instructor Ray Tschoepe
This workshop will cover historic paint composition and application; the variety and chemical evolution of paint films; the causes of paint failure and repair techniques. Emphasis will be placed on appropriate paint removal, surface preparation, and painting techniques. Paint analysis methods and procedures will also be discussed along with selecting appropriate colors for historic structures.
Students will be instructed in the use of heat guns and putty softeners and the Fein Multimaster. The will study samples of painted wood showing intercoat peeling, and others showing varying degrees of alligatoring and total loss of surface film, photomicrographs of paint samples for color (and composition) analysis accompanied by old painted wood that will be “cratered” to reveal the underlying coats of paint. Several dry pigments will be ground into linseed oil to produce elementary paint. A collection of brushes, scrapers and chemical paint removers will round out the demonstrations.
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