The vast majority of curtain walls are installed long pieces (referred to as sticks) between floors vertically and between vertical members horizontally. Framing members may be fabricated in a shop, but all installation and glazing is typically performed at the jobsite.
A mullion-transom facade system can be of two types:
- with the visible clamping bars and covers
from the outside (from 50 mm in width);
- structural glazing (visible
outer seam from 15 mm)