Can I install your floors in a 3 season room?

Modin Rigid is warrantied for indoor use within temperatures of 1-140F. If your 3 season room stays within those limits it is fine to use. Keep in mind that although Modin Rigid does have a UV protective coating, direct sunlight can still fade the floors over time. Using curtains or UV protective windows in a 3 season room will help slow that process.