Tire Repair: Buffing

To prevent contamination and preserve the outline, buff within the marked area thoroughly and evenly with a low speed buffing tool using a fine wire brush or gritted rasp.

Fig 1: Buffing Within Marked Area
Courtesy of GENERAL MOTORS COMPANY
Buff to a smooth velvet surface (RMA #1 or #2 buffed texture).
Use caution not to gouge the inner liner or expose casing fabric.
Remove any buffing dust with a vacuum cleaner.
Consult your repair material supplier for a proper buffing tool.