Targa Egress Openings

 

Please contact your local building department to confirm minimum requirements.

For unequal vents please contact CGI.

 

Targa Series 7100 Single Hung Window Clear Opening Formulas for Egress:

Equal Leg Equal Lites:

  • Equal Leg Frame Clear Opening Width =  (Equal Leg Frame Width – 4.4375)  This number must be at least 20”
  • Equal Leg Frame Clear Opening Height = (Equal Leg Frame Height / 2)  – 6.432 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 – 5.4375)  This number must be at least 20”
  • Flange Frame Clear Opening Height = (Flange Frame Height / 2) – 6.932 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

 

Targa Series 7200 XO Horizontal Rolling Window Clear Opening Formulas for Egress:

Equal Leg Equal Vents:

  • Equal Leg Frame Clear Opening Width =  (Equal Leg Frame Width / 2) – 4.309 This number must be at least 20”
  • Equal Leg Frame Clear Opening Height = (Equal Leg Frame Height – 5.278) 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 / 2) – 4.809  This number must be at least 20”
  • Flange Frame Clear Opening Height = (Flange Frame Height – 6.278) 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

 

Targa Series 7200 XOX Horizontal Rolling Window Clear Opening Formulas for Egress:

Equal Leg Equal Vents:

  • Equal Leg Frame Clear Opening Width =  (Equal Leg Frame Width / 3) – 4.101  This number must be at least 20”
  • Equal Leg Frame Clear Opening Height = (Equal Leg Frame Height – 5.278) 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 / 3) – 4.434  This number must be at least 20”
  • Flange Frame Clear Opening Height = (Flange Frame Height – 6.278) 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

 

Targa Series 7300 Casement Window Clear Opening Formulas for Egress:

Equal Leg

  • Equal Leg Frame Clear Opening Width =  (Equal Leg Frame Width – 11.875)  This number must be at least 20”
  • Equal Leg Frame Clear Opening Height = (Equal Leg Frame Height– 5.563) 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 – 12.875)  This number must be at least 20”
  • Flange Frame Clear Opening Height = (Flange Frame Height  – 6.563) 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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