A stick- built glass- aluminum curtain wall system consists of horizontal and vertical framing members, called rails and mullions respectively. In anchoring them to the building's structural frame, which of these (rails or mullions)are installed first? Are the members that are installed second also anchored directly to the building's structural frame?

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The Answer of A stick- built glass- aluminum curtain wall system consists of horizontal and vertical framing members, called rails and mullions respectively. In anchoring them to the building's structural frame, which of these (rails or mullions)are installed first? Are the members that are installed second also anchored directly to the building's structural frame?

A Stick- Built Glass- Aluminum Curtain Wall System Consists of Horizontal