Category: Finishes
Prepared by Eng. Ahmed Fathy, Projects Manager ·
Definition
Gypsum board is plasterboard faced with paper and fixed to a metal frame to form suspended ceilings and internal partitions. Types include standard, moisture-resistant and fire-rated.
Why it matters on a project
It is quick and clean to install, but the wrong type causes problems: standard board fails in bathrooms.
Measurement and pricing
Measured in square metres per face, stating type, thickness and number of layers.
Worked example
A partition 4 m long and 3 m high, one layer each side: 4 × 3 × 2 = 24 m² of board.
Common mistake
Using standard board in bathrooms and kitchens instead of moisture-resistant board.
Frequently asked questions
What do gypsum board colours mean?
Commonly white or grey is standard, green moisture-resistant and pink or red fire-rated; always confirm on the product label.
Do gypsum partitions block sound?
They do when designed with double layers and insulation inside; a basic partition gives limited sound reduction.
Related terms
- Suspended (false) ceilingA secondary ceiling hung below the structural slab to conceal services and improve acoustics and lighting.
- Putty (skim coat)A thin smooth layer over plaster preparing the surface for paint.
- Gypsum ornamentClassical decorative elements cast in gypsum for ceilings, cornices and internal columns.
- Emulsion paintWater-based paint for internal walls and ceilings, in various sheen levels.
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