Answer
May 18, 2022 - 01:42 AM
"With three times the coverage rate of traditional petroleum removers, 600GL effectively removes multiple layers of topical sealers, acrylics, enamels, urethanes, latex, some epoxies, other single-component coatings, and lead-based paint*." -https://franmar.com/file/117/600GL_salesheet-d.pdfWith that said, as long as the old tennis court paint is included in that list you should be good to go!
