Products
Gypsum Mortar (DOVA-801)
Gypsum Mortar DOVA-801 is a versatile interior building material made from calcined gypsum, sand and water — used interchangeably with gypsum plaster for paint-ready walls, decorative work, historic restoration and fireproofing.
Composition & Chemistry
The core of gypsum mortar is the mineral gypsum (CaSO₄·2H₂O). Calcination heats raw gypsum to about 150°C, removing most of its water to create Plaster of Paris (CaSO₄·½H₂O). On rehydration with water and sand, needle-like crystals interlock to form a solid, hard mass.
Applications
- Interior Walls & Ceilings — a paint-ready surface without the extra putty layers required by cement
- Decorative Work — captures fine detail and does not shrink; the standard for cornices, mouldings and ceiling roses
- Historic Restoration — essential for older masonry, where rigid cement mortar would damage soft bricks
- Fireproofing — coats structural elements and releases steam when exposed to fire, cooling the structure
Mixing Ratio & Coverage
Catalogue & Specifications
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Frequently Asked Questions
Egyptian gypsum-based mortar and jointing compounds for export — bagged gypsum mortars for plastering and boards. Mada Trade Co. supplier.