Sentinel by CGI Egress Openings

 

Please contact your local building department to confirm minimum requirements.

For unequal vents please contact CGI.

 

Sentinel Series 110 Single Hung Window Clear Opening Formulas for Egress:

Equal Leg Equal Lites:

  • Equal Leg Frame Clear Opening Width =  (Equal Leg Frame Width – 4.6875)  This number must be at least 20”
  • Equal Leg Frame Clear Opening Height = (Equal Leg Frame Height – 11.0625) / 2 This number must be at least 24”
  • Clear Opening Square= (Equal Leg Frame Clear Opening Width X Equal Leg Frame Clear Opening Height) / 144 This number must be at least 5.0

Flange Frame Equal Lites:

  • Flange Frame Clear Opening Width =  (Flange Frame Width – 5.6875)  This number must be at least 20”
  • Flange Frame Clear Opening Height = (Flange Frame Height – 12.0625) / 2 This number must be at least 24”
  • Clear Opening Square= (Flange Frame Clear Opening Width X Flange Frame Clear Opening Height) / 144 This number must be at least 5.0

 

Sentinel Series 120 XO Horizontal Rolling Window Clear Opening Formulas for Egress:

Equal Leg Equal Vents:

  • Equal Leg Frame Clear Opening Width =  (Equal Leg Frame Width – 10.625) / 2 This number must be at least 20”
  • Equal Leg Frame Clear Opening Height = (Equal Leg Frame Height – 6.250) This number must be at least 24”
  • Clear Opening Square= (Equal Leg Frame Clear Opening Width X Equal Leg Frame Clear Opening Height) / 144 This number must be at least 5.0

Flange Frame Equal Vents:

  • Flange Frame Clear Opening Width =  (Flange Frame Width – 11.625) / 2  This number must be at least 20”
  • Flange Frame Clear Opening Height = (Flange Frame Height – 7.250) This number must be at least 24”
  • Clear Opening Square= (Flange Frame Clear Opening Width X Flange Frame Clear Opening Height) / 144 This number must be at least 5.0

 

Sentinel Series 120 XOX Horizontal Rolling Window Clear Opening Formulas for Egress:

Equal Leg Equal Vents:

  • Equal Leg Frame Clear Opening Width =  (Equal Leg Frame Width – 16.9375) / 3  This number must be at least 20”
  • Equal Leg Frame Clear Opening Height = (Equal Leg Frame Height – 6.250) This number must be at least 24”
  • Clear Opening Square= (Equal Leg Frame Clear Opening Width X Equal Leg Frame Clear Opening Height) / 144 This number must be at least 5.0

Flange Frame Equal Vents:

  • Flange Frame Clear Opening Width =  (Flange Frame Width – 17.9375) / 3  This number must be at least 20”
  • Flange Frame Clear Opening Height = (Flange Frame Height – 7.250) This number must be at least 24”
  • Clear Opening Square= (Flange Frame Clear Opening Width X Flange Frame Clear Opening Height) / 144 This number must be at least 5.0

 

 

Sentinel Series 238 SN Casement Window Clear Opening Formulas for Egress:

Equal Leg

  • Equal Leg Frame Clear Opening Width =  (Equal Leg Frame Width – 6.1875)  This number must be at least 20”
  • Equal Leg Frame Clear Opening Height = (Equal Leg Frame Height– 5.375) This number must be at least 24”
  • Clear Opening Square= (Equal Leg Frame Clear Opening Width X Equal Leg Frame Clear Opening Height) / 144 This number must be at least 5.0

Flange Frame

  • Flange Frame Clear Opening Width =  (Flange Frame Width – 6.6875)  This number must be at least 20”
  • Flange Frame Clear Opening Height = (Flange Frame Height  – 5.875) This number must be at least 24”
  • Clear Opening Square= (Flange Frame Clear Opening Width X Flange Frame Clear Opening Height) / 144 This number must be at least 5.0
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