Curtain wall glazing interfaces require steady silicone weatherseals built-in into frame extrusions protecting

https://www.plurk.com/p/3i9r6q1dov

Curtain wall glazing interfaces require non-stop silicone weatherseals built-in into body extrusions preserving airtightness despite differential moves between glass panes helping frames highly at some point of wind loads storms externally confronted such