Patent ID: 8413403
Filing Date: 2013-04-09
Classification: E04B,Y10T

Abstract:
1. A method of constructing a curtainwall for installation on a building, the curtainwall comprising a unit frame having a first side and a second side, the method comprising: installing an in-fill cassette in the first side of the unit frame, the in-fill cassette comprising an in-fill cassette subframe and a first interior portion at least partially sealed to the subframe, the subframe defining a perimeter of the in-fill cassette and having a surface configured for sealing engagement with the first side of the unit frame substantially continuously along the perimeter; and installing a secondary cassette in the second side of the unit frame, the secondary cassette comprising a secondary cassette subframe and a secondary cassette interior portion at least partially sealed to the subframe, the subframe defining a perimeter of the secondary cassette and having a surface for sealing engagement with the second side of the unit frame substantially continuously along the perimeter, wherein the cassettes are fixed, and a portion of each edge of the perimeter of each cassette contacts a portion of the unit frame, wherein one of the in-fill cassette first interior portion and the secondary cassette interior portion comprises a shadow box component configured to provide visual enhancement to the curtainwall, and wherein the shadow box component comprises a piece of glass, a metal panel, painted panels or mirrors, and wherein the first side of the unit frame faces an exterior of the building and the second side of the unit frame faces an interior of the building.