Glass

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Glass Glazing
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The type of glass can effect heat gain within
buildings
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Also, various shading devices
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Deeply recessed to provide daylight without heat
gain
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Day Transparency
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Lever House

• Lever House in New York is an early curtain wall
  building designed by architects Skidmore, Owings,
  and Merrill (SOM).

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• Curtain wall system
• Non load bearing
• Multi level spans
• Supported by floor framing
• Site fabricated / prefabricated
• Climate modification
• Higher wind loads
• Image

• Storefront system
• Ingress / egress
• Visual connection with street
• Security

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• Terms
• Spandrel glass
• Head
• Jamb
• Sill
• Mullin

• Storefront system sits at edge of interior floor
  slab and exterior walk
• Level to sloped
• Smooth to rough

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• Framing
• Extruded aluminum
• Systematized
• Anodized finishes

• Glazing
• Tempered glass
• Spandrel glass
• Tinted glass
• Float glass
• Laminated glass for security
• Insulated glass

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Glass Types

• Tempered
• Heat-Strengthened
• Laminated
• Fire Rated
• Spandrel
• Fritted
• (see TEXT pp. 648- 656)

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Laminated Glass

• Laminated Glass is made by sandwiching a
  transparent polyvinyl butyric (PVB) interlayer
  between sheets of glass bonding the three layers
  together under heat and pressure.
• When laminated glass breaks, the plastic sheet
  holds the broken glass in place, thus reducing
  the risk of injury in case of breakage.

The Entry canopy at the High Museum is made of
laminated glass supported by stainless steel
spider fittings that transmit the weight of the
roof to cantilevered steel beams.
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Tempered Glass is glass that is reheated and
rapidly cooled, which causes it to break into
pea-sized pellets.
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Heat-Absorbing Glass (actinic glass) is tinted to
absorb a high degree of solar radiation, and
thus, it transmits less solar heat and glare into
building. It is usually bronze, gray, or
blue-green in color.
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Low E-Glass
Glass that has a coating applied on the inside
face of double pane insulating glass that
restricts thermal energy flow in a specific
direction depending on placement
INSIDE
OUTSIDE
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Insulated Glass Glass that increases R-value
(insulating value) and prevents condensation from
forming on the glass.
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Insulated Glass How? Insulating glass
(multi-glazing) consists of two or more sheets of
glass separated by a hermetically sealed air
space to provide thermal insulation, acoustical
control, and an absence of condensation. It can
be manufactured from almost any type of glass.
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Wire Glass

• Glass that remains intact and restricts the
  expansion of fire.
• Its made by placing wire mesh in the middle of
  glass during the manufacturing process.

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Glazing

• Glazing is the process of placing glass or
  glazing in windows and making a weather tight
  joint between the glass and its frame.
• Glass panels set into grooves designed to receive
  them, held in place with glazing beads, points,
  or clips, and sealed in place with various
  glazing compounds.

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• These synthetics are particularly effective in
  allowing for the thermal expansion and
  contraction of glass rubber, neoprene vinyl

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Fritted Glass Glass that has an imprint on the
surface with silk screened patterns of ceramic
based paint. The paint consist primarily of
pigmented glass particles that are called
frits. Typical patterns are stripes or dots, but
custom designs are easily reproduced.
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Curtain Wall System

• A curtain wall is an exterior wall system that is
  attached to the structural framework of a
  building and that carries no weight other than
  its own and wind loading that it transfers to the
  structure.

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• With aluminum and glass curtainwall systems, the
  vertical mullions are attached to the floors or
  beams at every floor in order to carry gravity
  and wind loads

• Attachment devices allow the vertical mullions to
  be adjusted to provide a perfectly plumb and
  straight line for the entire height of the
  building.

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sample aluminum curtainwall profiles
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Spandrel Glass
Opaque glass for covering the bands of wall
around the edges of floors in glass curtainwall
construction.
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Plastic or Acrylic is often used as an alternate
material to glass in skylights.
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Structural Glass Walls
A structural glass wall is made up of tempered
glass sheets suspended from special clamps, or
spider fittings and are stabilized against wind
pressure by perpendicular stiffeners and/or
cables.
spider fittings- used to hold tempered glass in
structural glass walls
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structural glass wall
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Night Transparency
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Structural Glass Roof Panels
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Glass Fin System
Glass fins used as structural elements to carry
glass gravity and wind loads.
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Misc. Examples
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