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COS451 Front Glazed Stacking System

Series COS451 front glazed stacking system for storefront / window walls

  • 2 x 4 1/2"
  • Exterior or interior glazed
  • 1" Glazing

 

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Features

Series COS451 is an offset glazed multi-purpose storefront and window wall stacking system designed for exterior or interior glazing. Stacking systems feature continuous head and sill channels allowing vertical and horizontal members to be stacked into position at the job site. Any infiltrated water drains into the continuous sill channel where it drains to the exterior through a series of weep holes. System accepts Series 200, 300 & 500 Entrance Doors.

System Features

Injection molded ABS plastic end dams to keep infiltrated water contained within the sill channel where it is weeped to the exterior through weep holes backed with baffles.

Intermediate horizontals are rolled over anchor clips attached to the vertical mullions. Each horizontal is then attached to the anchor clip with a concealed fastener.

Internal injection molded ABS plastic water deflectors allowing infiltrated water to drain into sill channel as illustrated.


Frame Design Features

Exterior Glazed Head

  • Continuous head channel
  • Allows direct structural anchoring to substrate
  • EPDM Top Load reinforced anti-stretch wedge glazing gasket used on exterior and interior

Exterior Glazed Horizontal

  • Horizontal attaches to vertical with anchor clips and concealed fasteners
  • Compression fitting exterior glass stop
  • EPDM Top Load reinforced anti-stretch wedge glazing gasket used on exterior and interior
  • Each end is fitted with WD451 water deflectors providing for excellent water control

Exterior Glazed Sill

  • Continuous sill channel with ABS plastic injection molded end dams positioned at each end
  • Continuous sill channel allows infiltrated water to be weeped to exterior through a series of Ø ¼” weep holes backed with baffles
  • Sill channel allows for direct attachment to substrate which eliminates blind seals
  • Compression fitting exterior glass stop
  • EPDM Top Load reinforced anti-stretch wedge glazing gasket used on exterior and interior

Interior Glazed Head

  • Continuous head channel
  • Interior Hook-type glass stop designed to resist positive and negative wind forces on glass unit
  • Allows direct structural anchoring to substrate
  • EPDM Top Load reinforced anti-stretch wedge glazing gasket used on exterior and interior

Interior Glazed Horizontal

  • Horizontal attaches to vertical with anchor clips and concealed fasteners
  • Interior Hook-type glass stop designed to resist positive and negative wind forces on glass unit
  • EPDM Top Load reinforced anti-stretch wedge glazing gasket used on exterior and interior
  • Each end is fitted with WD451 water deflectors providing for excellent water control

Interior Glazed Sill

  • Continuous sill channel with ABS plastic injection molded end dams positioned at each end
  • Continuous sill channel allows infiltrated water to be weeped to exterior through a series of Ø ¼” weep holes backed with baffles
  • Subsill pan allows for direct attachment to substrate which eliminates blind seals
  • EPDM Top Load reinforced anti-stretch wedge glazing gasket used on exterior and interior

Vertical Mullion

  • Tubular mullions allow for anchor clips and roll-over horizontals
  • Accepts structural steel reinforcement when required in high wind load areas
  • EPDM Top Load reinforced anti-stretch wedge glazing gasket used on exterior and interior

Expansion Mullion (Optional)

  • For elevations having long continuous horizontal runs expansion mullions may be required
  • EPDM Top Load reinforced anti-stretch wedge glazing gasket used on exterior and interior

90° External Corner Mullion

  • Two piece snap together corner mullion eliminates unsightly rivets or screws
  • Accepts structural steel reinforcement when required in high wind load areas
  • EPDM Top Load reinforced anti-stretch wedge glazing gasket used on exterior and interior

90° Internal Corner Mullion

  • Two piece matting corner mullion eliminates unsightly rivets or screws
  • Accepts structural steel reinforcement when required in high wind load areas
  • EPDM Top Load reinforced anti-stretch wedge glazing gasket used on exterior and interior

135° External Corner Mullion

  • Two piece compression fitting corner mullion eliminates unsightly rivets or screws
  • Accepts structural steel reinforcement when required in high wind load areas
  • EPDM Top Load reinforced anti-stretch wedge glazing gasket used on exterior and interior
 

135° Internal Corner Mullion

  • Two piece compression fitting corner mullion eliminates unsightly rivets or screws
  • Accepts structural steel reinforcement when required in high wind load areas
  • EPDM Top Load reinforced anti-stretch wedge glazing gasket used on exterior and interior
 

Typical Wall Jamb

  • One piece full depth glazing pocket allows for direct attachment to substrate without countersinking fastener
  • Flat filler plate is not required

Alternate Wall Jamb

  • Alternate two piece wall jamb using vertical mull with flat filler plate
  • Anchor attachment to substrate requires countersinking fastener heads
  • EPDM Top Load reinforced anti-stretch wedge glazing gasket used on exterior and interior
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Performance Testing

TEST METHOD  TEST RESULTS 
Air Infiltration Test at 6.24 psf
(ASTM E283)
<0.060 cfm/ft² 
Uniform Load Deflection Test at
(ASTM E330)
+/- 20 psf 
Water Infiltration Test at
(ASTM E331)
8 psf 
Uniform Load Structural Test at
(ASTM E330)
+/- 30 psf 
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Documentation

CAD details are available on our Technical Documentation page.

Please contact us for testing reports and other system information.

Additional photos and illustrations available soon.

About Us

Cardinal Commercial Products offers a comprehensive line of architectural aluminum products designed for the commercial aluminum and glass storefront and curtain wall market.

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