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What are the minimum egress sizes for MI EnergyCore windows?

The minimum RO egress sizing for the MI EnergyCore products are:

  • Double Hung:  3/0 x 6/0
  • Single Hung: 3/0 x 5/6
  • XO Slider: 4/6 x 4/0
  • XOX Slider: 8/0 x 4/0 with our standard 26” wide sash
  • Casement: 2/6 x 4/0

 
Here's some things to keep in mind:

In one or two family dwellings, Section R310.1 of the International Residential Code requires basements, habitable attics and every sleeping room shall have at least one operable emergency escape and rescue opening. 

Where basements contain one or more sleeping rooms, emergency egress and rescue openings shall be required in each sleeping room.

Egress/escape openings may be provided by a window or a door.

Egress/escape openings shall open directly into a public way, or to a yard or court that opens to a public way.

All emergency escape/rescue openings shall have a minimum net clear opening of 5.7 square feet, except grade floor openings shall have a minimum net clear opening of 5 square feet.

The sill height shall not be greater than 44" off the floor.

The minimum net clear opening height shall be 24" and the minimum net clear opening width shall be 20". The minimum net openings shall be obtained by the normal operation of the emergency escape and rescue opening from the inside.

Emergency escape/rescue opening shall be operational from the inside of the room without the use of keys, tools or special knowledge.

 


Tags: building codes, emergency, escape, residential codes, window egress


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