Category: Finishes
Prepared by Eng. Ahmed Fathy, Projects Manager ·
Definition
Cornices are projecting decorative bands fitted inside where wall meets ceiling to hide the joint or lighting, or outside at the top of facades and around openings. They are made of gypsum, polyurethane, GRC or stone.
Why it matters on a project
They finish a room or facade, and external ones protect the facade from water run-off when designed with a drip.
Measurement and pricing
Per linear metre for each profile, corners and special pieces by number.
Common mistake
Fitting interior gypsum cornices outside, so they fail from moisture and sun within months.
Frequently asked questions
Gypsum or polyurethane cornices?
Gypsum is traditional, cheaper and casts any profile; polyurethane is lighter, quicker to fit and handles moisture better.
What are external cornices made of?
GRC, stone or foam coated with a cement layer.
Related terms
- Gypsum ornamentClassical decorative elements cast in gypsum for ceilings, cornices and internal columns.
- GRC (glass-fibre reinforced concrete)A cement mix reinforced with alkali-resistant glass fibres, lightweight, used for facades and ornament.
- Suspended (false) ceilingA secondary ceiling hung below the structural slab to conceal services and improve acoustics and lighting.
- Facade designDesigning the building's exterior with materials, openings and shading.
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