A curtain wall for a building comprising: a frame anchored to the building and including a plurality of frame units; infill panels, which are supported by the frame units and at least partially define an outer face of the curtain wall; wherein the curtain wall comprises at least one drainage vent for venting fluid from inside the curtain wall to outside the curtain wall, the drainage vent comprising a fluid flow path, wherein an opening for the fluid flow path is provided in the outer face of the curtain wall.

Curtain wall based drain opening apparatus comprises a drainage element extending outwardly from, and in fluid communication with, a concealed horizontal water flow channel associated with a stationary first frame element of an inwardly pivotable window assembly and adapted to receive infiltrated water, wherein the drainage element passes through a second frame element which is laterally spaced from two adjacent fixed panels of a curtain wall and is exposed to atmospheric air.

Sealing element (1) for sealing joint gaps between elements of a facade of element mode of construction, wherein the sealing element (1) comprises a connecting flange (2) for securing the sealing element (1) to the facade element, and one or more sealing lips (3).

A window wall assembly including an insulated panel having at least one hole; at least one spacer located between and abutting a first portion of an outside of the insulated panel and an inside of an architectural fascia panel; at least one layer of nonconducting material connected to the at least one spacer and sandwiched between a second portion of the outside of the insulated panel and the inside of the architectural fascia panel; and a first fastener having a hollow inner section inserted into the at least one hole which has threading on the inside, an outer section having threading on the outside and extending into the layer of nonconducting material; and a flange located between the inner section and outer section of the first fastener and having a greater lateral dimension than the radius of the at least one hole.

An exterior wall assembly including an insulated panel having at least one hole; at least one spacer located between and abutting a first portion of an outside of the insulated panel and an inside of an architectural fascia panel; at least one layer of non-conducting material connected to the at least one spacer and sandwiched between a second portion of the outside of the insulated panel and the inside of the architectural fascia panel; and a first fastener having a hollow inner section inserted into the at least one hole which has threading on the inside, an outer section having threading on the outside and extending into the layer of non-conducting material; and a flange located between the inner section and outer section of the first fastener and having a greater lateral dimension than the radius of the at least one hole.

An exterior wall assembly including an insulated panel having at least one hole; at least one spacer located between and abutting a first portion of an outside of the insulated panel and an inside of an architectural fascia panel; at least one layer of non-conducting material connected to the at least one spacer and sandwiched between a second portion of the outside of the insulated panel and the inside of the architectural fascia panel; and a first fastener having a hollow inner section inserted into the at least one hole which has threading on the inside, an outer section having threading on the outside and extending into the layer of non-conducting material; and a flange located between the inner section and outer section of the first fastener and having a greater lateral dimension than the radius of the at least one hole.

Curtain wall based drain opening apparatus comprises a drainage element extending outwardly from, and in fluid communication with, a concealed horizontal water flow channel associated with a stationary first frame element of an inwardly pivotable window assembly and adapted to receive infiltrated water, wherein the drainage element passes through a second frame element which is laterally spaced from two adjacent fixed panels of a curtain wall and is exposed to atmospheric air.

A curtain wall for a building comprising: a frame anchored to the building and including a plurality of frame units; infill panels, which are supported by the frame units and at least partially define an outer face of the curtain wall; wherein the curtain wall comprises at least one drainage vent for venting fluid from inside the curtain wall to outside the curtain wall, the drainage vent comprising a fluid flow path, wherein an opening for the fluid flow path is provided in the outer face of the curtain wall.

A window wall assembly including an insulated panel having at least one hole; at least one spacer located between and abutting a first portion of an outside of the insulated panel and an inside of an architectural fascia panel; at least one layer of nonconducting material connected to the at least one spacer and sandwiched between a second portion of the outside of the insulated panel and the inside of the architectural fascia panel; and a first fastener having a hollow inner section inserted into the at least one hole which has threading on the inside, an outer section having threading on the outside and extending into the layer of nonconducting material; and a flange located between the inner section and outer section of the first fastener and having a greater lateral dimension than the radius of the at least one hole.

A window wall assembly including an insulated panel having at least one hole; at least one spacer located between and abutting a first portion of an outside of the insulated panel and an inside of an architectural fascia panel; at least one layer of nonconducting material connected to the at least one spacer and sandwiched between a second portion of the outside of the insulated panel and the inside of the architectural fascia panel; and a first fastener having a hollow inner section inserted into the at least one hole which has threading on the inside, an outer section having threading on the outside and extending into the layer of nonconducting material; and a flange located between the inner section and outer section of the first fastener and having a greater lateral dimension than the radius of the at least one hole.