Siniat
SINIAT 13mm Mastashield
SINIAT 13mm Mastashield
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SINIAT 13mm Mastashield (formerly known as GTEK Wall & Ceiling 13mm) is a high-strength plasterboard designed for interior walls and ceilings, where enhanced durability and a smooth, professional finish are required.
With its dense core, Mastashield provides superior impact resistance and sound insulation, making it an excellent choice for high-traffic areas, multi-residential apartments, and commercial projects requiring a durable, long-lasting wall system. It also offers increased rigidity, making it an ideal option for ceilings with minimal sagging.
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Shipping & Returns
We offer fast and reliable delivery across Perth and surrounding areas, with most orders processed within 1–2 business days. Delivery within the Perth metropolitan area is charged at a flat rate of $120. For regional deliveries, fees are calculated based on distance and order size; please contact us for a custom quote. All orders are packed with care to ensure they arrive in top condition.
At Online Plasterboard Supplies, we strive to ensure your satisfaction with every purchase. Please review your order carefully before finalizing, as we do not accept returns for change of mind, incorrect purchases, or surplus materials. If your order arrives damaged, defective, incorrect, or incomplete, notify us within 48 hours with your order number, clear photos, and a description of the issue. We'll assess the situation and determine if a replacement, refund, or store credit is appropriate. Some products may have manufacturer warranties; contact us for assistance with claims. Approved returns must be unused, in original packaging, pre-approved by our team, and may incur a restocking fee, typically 20%.