25mm Magnesium Oxide (MgO) Board — Price & Specifications
The Wedge 25mm MgO board (Magnesium Oxide Board), quality grade WEMAG-S 1000, is a chloride-free, A1 non-combustible building board manufactured and exported by Wedge Industries Limited. Supplied in the standard 2440 × 1220 mm sheet size, this 25mm thickness is engineered for structural subfloor, roof decking and high-load flooring. Waterproof, mould-resistant and rated for 30+ years of service, it will not rot, warp, swell or delaminate.
Pricing (indicative, EXW New Delhi)
| A Grade | ₹110.37 / SQF |
| A+B Grade | ₹94.48 / SQF (≈ $0.99/SQF) |
| Per full board (32.04 SQF) | ≈ ₹3,027 |
| Minimum Order Qty (MOQ) | 256 SQM |
| HS Code | 68080000 |
Prices are indicative retail rates for budgeting only. Final discounted price varies with thickness, dimensions, edge profile, grade, order quantity and project requirements. For bulk, OEM, project or export orders, contact the Wedge sales team for a customised quotation.
Key Specifications
| Product | Magnesium Oxide (MgO) Board |
| Quality Grade | WEMAG-S 1000 |
| Thickness | 25 mm |
| Standard Size | 2440 × 1220 mm |
| Fire Rating | A1 non-combustible (withstands ~1200°C) |
| Water Resistance | Waterproof — no rot, swell or delamination |
| Chemistry | Chloride-free (magnesium sulphate / MgSO₄ based) |
| HS Code | 68080000 |
Applications
Fire-rated partitions and ceilings, exterior cladding and sheathing, wet-area tile backer board (bathrooms, kitchens, pools), MgO subfloor and roof underlayment, and prefab / modular construction including SIP panels, container homes and portable cabins.
Why Chloride-Free Matters
Cheap MgO boards made with magnesium chloride (MgCl₂) absorb humidity and “sweat”, corroding fasteners and cracking over time. WEMAG-S 1000 uses magnesium sulphate (MgSO₄), which is far less hygroscopic — no sweating, no fastener corrosion, and a 30+ year service life.
Manufacturer-direct · export-ready to 45+ countries · technical support included. Contact Wedge Industries Limited for today’s best price and volume discounts.




