SINIAT Spanshield 10mm plasterboard (formerly GTEK Ceiling 10mm) is a lightweight ceiling plasterboard designed to span greater distances with reduced sag risk — ideal for residential and commercial ceilings when you want a smooth finish. Best for Ceilings where a stiffer 10mm ceiling board is required Residential homes, apartments, offices and commercial fit-outs Projects where reducing visible deflection matters Related plasterboard options All plasterboard sheets Moisture-resistant plasterboard for wet areas Fire-rated plasterboard where specified Acoustic plasterboard for sound control What you may also need Plasterboard screws & fixings Compounds & adhesives for taping and topping Delivery (WA & SA)We deliver across Perth/WA and Adelaide/SA. See: Plasterboard Perth and Plasterboard Adelaide. For fees/timeframes, view our shipping policy. FAQIs 10mm plasterboard suitable for ceilings?In many cases, yes — but suitability depends on framing spacing and the specified system. Always follow manufacturer guidance and project requirements.