Retreading standards & process guides (TRMG recommended practices / TRIB)

• Source / publisher: Tire Industry Association — TRMG (Tread Rubber and Tire Repair Materials Manufacturers Group) recommended practices (tireindustry.org) and the Tire Retread & Repair Information Bureau (retread.org)
• Type: standard | guide (industry recommended practices + explainers)
• Topics: casing inspection & repairability, buffing textures BTS1–BTS6, buffed casing sizing, precure vs mould-cure processes, envelope/cure operations, final inspection, retread plant audit checklists, retread economics/safety studies
• Vehicle scope: truck | OTR | agri (retread applies to all radial casings)
• Region: global (US-published, applied by Bandag/Marangoni networks incl. SA)
• Language: en
• Link: TRMG RP index: tireindustry.org ; BTS6 buff-texture RP: tireindustry.org ; TRIB resources: retread.org
• License/access: public RP summaries + TRIB explainers; full RP documents and wall charts are purchase items via TIA/TRIB
• Notes: regulatory backdrop: ECE R108/R109 (retread type approval, EU) and FMVSS-retread marking rules define compliance. South African retread networks apply the same process standards.