With more than 30 years of experience, J & J Gym Floors is the top company for basketball court and gym floor refinishing, sanding, resurfacing and new gym floor installations as wellas repairs. In the last year, we completed projects at more than 400 high schools, colleges, universities, elementary schools, churches, YMCAs and fitness centers throughout the Northeast. We also service stages, classrooms, aerobics rooms, squash courts and racquetball courts.