How do I sanitize gymnastics and cheer mats? A How do I sanitize gymnastics and cheer mats? For deep cleaning and sanitization, use a steam cleaner with an anti-microbial sanitizer. Be sure to fully dry the cleaned area and ensure residue of the sanitizer is removed from the surface of the mat. Share facebook twitter linkedin pinterest email Back to Top How do I clean gymnastics and cheer mats? How do I cut gymnastics mats to size for installation?