- 幕牆
- A non-load-bearing outer wall hung off the building structure, made of aluminium frames and glass. A designated trade under the CIC Registered Specialist Trade Contractors Scheme.
- Curtain wall (CIC RSTCS)
- 單元式幕牆
- Frame, glass and gaskets assembled into full units at the factory, then hoisted straight into place.
- Unitised curtain wall
- 構件式幕牆
- Mullions, transoms and glass arrive as loose parts and are assembled piece by piece on site.
- Stick-built curtain wall
- 鋁型材
- Extruded aluminium sections: the raw material for window frames, mullions and transoms.
- Aluminium extrusion
- 雙層中空玻璃
- Two panes with an air gap for thermal and sound insulation, often Low-E coated. Laminated glass is bonded with an interlayer so broken pieces hold together.
- Insulated glass unit / laminated glass
- 密封膠
- Fills the joint between glass and frame to keep water and air out. It has a shelf life and must not be used past it.
- Structural / weather sealant
- 施工圖
- The fabrication and installation drawings the contractor prepares from the design. Production starts only after the submission is approved.
- Shop drawing / submission
- 樣板
- A physical sample built first for approval and performance testing.
- Mock-up
- 開間
- The module between two mullions on the elevation; unitised panels are numbered by bay.
- Bay
- 吊裝
- Lifting panels into place one by one with a crane; lifting stops when the wind is too strong.
- Hoisting / installation
- 補單
- A re-order of the same item after it is damaged or short-delivered.
- Replacement order
- 幕牆及玻璃工
- A Labour Department construction trade name, covering curtain wall and glazing installation.
- Curtain wall and glazing worker