A flexible or adaptable pad (100,110,120) for treating a surface may be particularly suitable for treatment of uneven surfaces. An apparatus may include a mounting section (301) and a flexible surface comprising a plurality of treatment sections (101). The treatment sections may comprise an abrasive material. Cracks or grooves on a surface of the apparatus enable a first and second treatment sections to assume a respective first and second positions with respect to a treated surface. An edge of a groove may be designed to increase an abrasiveness of the apparatus and may remove material from a treated surface. Other embodiments are described and claimed.