The recreational vehicle (RV) industry in the United States has been enjoying solid growth as baby- boomers swell the quantity of potential buyers. Rapid growth has lead to faster production schedules for RV, campers, Fifth Wheels and trailers. In the case of some manufacturers, fewer resources are being applied to ensure long term waterproofing of the approximately 200 sq. ft roof. After a few years of exposure to sunlight and the elements, many

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