A method for manufacturing a retreaded tire comprising: providing at least one buffer brush comprising: a first endplate (102; 128) having a plurality of openings (104; 130) and a second endplate (102; 128) having a plurality of openings (104; 130); a plurality of brush segments (112; 132), each of the plurality of brush segments (112; 132) comprising a brush segment core (116; 138) and brush bristles (114; 136) extending radially from the brush segment core (116; 138), each of said brush segment cores (116; 138) having openings configured for air flow laterally across the brush segments (112; 132) and vents (120; 122) configured for air flow radially from the vents (120; 122) through the brush bristles (114; 136) of each brush segment (112; 132) towards the ends of the brush bristles (114; 136); the plurality of brush segments (112; 132) mounted between the first endplate (102; 128) and the second endplate (102; 128) and configured such that air can flow through the openings (104; 130) in the first endplate (102; 128) and the second endplate (102; 128) and through the vents (120; 122) configured for radial air flow; cooling the buffer brush by rotating the buffer brush such that air flows laterally through the brush segment cores (116; 138) and radially through the vents (120;122) and the brush bristles of each brush segment (112; 132); processing a tread section through the at least one buffer brush such that the processed tread section has a texturized surface; buffing a tire casing such that a worn tread is removed from the casing; removing particles from the brush bristles (114; 136) with the air flowing laterally through the brush segment cores (116; 138) and radially through the vents (120; 122) and the brush bristles (114; 136) of each brush segment (112; 132); and applying the tread section to the tire casing. providing at least one buffer brush comprising: a first endplate (102; 128) having a plurality of openings (104; 130) and a second endplate (102; 128) having a plurality of openings (104; 130); a plurality of brush segments (112; 132), each of the plurality of brush segments (112; 132) comprising a brush segment core (116; 138) and brush bristles (114; 136) extending radially from the brush segment core (116; 138), each of said brush segment cores (116; 138) having openings configured for air flow laterally across the brush segments (112; 132) and vents (120; 122) configured for air flow radially from the vents (120; 122) through the brush bristles (114; 136) of each brush segment (112; 132) towards the ends of the brush bristles (114; 136); the plurality of brush segments (112; 132) mounted between the first endplate (102; 128) and the second endplate (102; 128) and configured such that air can flow through the openings (104; 130) in the first endplate (102; 128) and the second endplate (102; 128) and through the vents (120; 122) configured for radial air flow; a first endplate (102; 128) having a plurality of openings (104; 130) and a second endplate (102; 128) having a plurality of openings (104; 130); a plurality of brush segments (112; 132), each of the plurality of brush segments (112; 132) comprising a brush segment core (116; 138) and brush bristles (114; 136) extending radially from the brush segment core (116; 138), each of said brush segment cores (116; 138) having openings configured for air flow laterally across the brush segments (112; 132) and vents (120; 122) configured for air flow radially from the vents (120; 122) through the brush bristles (114; 136) of each brush segment (112; 132) towards the ends of the brush bristles (114; 136); the plurality of brush segments (112; 132) mounted between the first endplate (102; 128) and the second endplate (102; 128) and configured such that air can flow through the openings (104; 130) in the first endplate (102; 128) and the second endplate (102; 128) and through the vents (120; 122) configured for radial air flow; cooling the buffer brush by rotating the buffer brush such that air flows laterally through the brush segment cores (116; 138) and radially through the vents (120;122) and the brush bristles of each brush segment (112; 132); processing a tread section through the at least one buffer brush such that the processed tread section has a texturized surface; buffing a tire casing such that a worn tread is removed from the casing; removing particles from the brush bristles (114; 136) with the air flowing laterally through the brush segment cores (116; 138) and radially through the vents (120; 122) and the brush bristles (114; 136) of each brush segment (112; 132); and applying the tread section to the tire casing.