ITAC Targets China and Saudi Plasterboard as the 6809.11 Net Closes

On 7 August the International Trade Administration Commission opened a fresh anti-dumping investigation into gypsum plasterboard from China and Saudi Arabia — the two origins that had become the affordable escape route after Thailand and Indonesia were priced out. Every board a South African builder lands from those countries under tariff subheading 6809.11 now carries a contingent liability that did not exist a fortnight ago. The clock on the first real deadline runs to 7 September.

What ITAC actually did, and to whom

The application was lodged by Saint-Gobain Construction Products South Africa, supported by Etex South Africa Building System and Namibian Gypsum Industries — effectively the domestic manufacturing bloc asking the state to close a gap in its pricing. ITAC accepted the complaint and initiated a formal probe into whether plasterboard from the People's Republic of China and the Kingdom of Saudi Arabia is being dumped, meaning sold into South Africa below its normal value at home.

The mechanics matter because they decide who pays. ITAC built its normal value from domestic price quotations inside China and Saudi Arabia and compared them against export prices drawn from SARS's own import statistics. The dumping window under review is the 2025 calendar year; the material-injury assessment reaches back to 1 January 2023. Importers, exporters and other interested parties have until 7 September to file questionnaires and representations. No provisional duty has been imposed yet — but that word yet is doing a great deal of work.

What it means for the invoice

A plasterboard importer's exposure here is not the general rate of customs duty printed against 6809.11 in Schedule 1. It is the anti-dumping duty that can be layered on top of it, and the precedent sitting one shelf over is not comforting. Earlier this year ITAC reviewed the existing measures on plasterboard from Thailand and Indonesia and chose to maintain them — 45% on Thai board and 34.6% on Indonesian — after finding that ending them would likely revive both the dumping and the injury. A duty in that range is not a rounding error on a low-margin building product; it is the difference between a viable order book and an unviable one.

The pattern the manufacturers are pointing at is the reason this investigation is dangerous rather than routine. When Thailand and Indonesia were made expensive, the volume did not vanish — it re-sourced to China and Saudi Arabia, which is precisely the flow now under the microscope. Any importer who switched origin over the past two years to keep landed cost down has, unknowingly, walked their supply chain straight into the next case. Provisional anti-dumping duties, once ITAC recommends them and SARS gazettes them, take effect on entries cleared from the date of imposition. An order placed today at a Chinese mill, shipped in October and cleared in November, could meet a provisional duty on the quay that was never in the landed-cost model when the deposit was paid.

That is the practical shape of the risk: not a certainty, but a live probability that has to be priced into every forward order on this HS code from now until ITAC reports. Financing a shipment on the assumption of a clean clearance, when a 30-to-45% duty is a plausible outcome, is a cash-flow bet most distributors cannot afford to lose.

Why the optimists may be reading it wrong

The reassuring case is easy to tell. An investigation is not a duty; provisional measures are discretionary and can take months; and China and Saudi Arabia will both file defences that could persuade ITAC no material injury exists. All of that is true, and none of it should be leaned on. ITAC's own recent record on this exact product — a decision to keep, not cut, the Thai and Indonesian duties on review — shows a commission disposed to protect the domestic base once it accepts an injury narrative. The presence of a Namibian producer among the supporters also signals a SACU-wide industrial argument rather than a single-firm grievance, which historically strengthens rather than weakens a complaint.

The genuine uncertainty is timing, not direction. ITAC gives itself room on when a provisional recommendation lands, and the gap between initiation and gazetted duty is where importers either hedge or gamble. Treating that gap as safe harbour is the error. The window is not protection; it is the last stretch of open road before the toll gate, and the manufacturers filing this case are betting the gate goes up.

Our Take

Plasterboard is the visible edge of a slower, deliberate closing of the 6809.11 line, origin by origin, and importers who treat this as a single-product story will be caught by the next one. If you clear Chinese or Saudi board, do four things before 7 September. First, register as an interested party and file the questionnaire — silence in an ITAC process is read as indifference, and a duty set without your import data is a duty set against you. Second, request a binding tariff determination from SARS so there is no argument later about whether your product sits inside 6809.11. Third, re-run every forward order's landed cost with a provisional duty of at least 35% pencilled in, and decide now which orders survive that number and which do not. Fourth, put the code on watch so the day a provisional measure is gazetted is the day you know, not the week your clearing agent flags an unexpected assessment.

Diversifying origin is the obvious hedge, but do it with the map in front of you: Thailand and Indonesia are already dutied, China and Saudi Arabia are now in the frame, and the honest domestic-supply conversation the manufacturers want is the one that is coming whether importers join it early or meet it at the border. The cheap-origin era for imported plasterboard is ending in slow motion. The importers who come through it are the ones treating an August investigation as a September budget line, not a distant maybe.