Attic Egress Window

There are different types of new construction and replacement windows that are specially designed for attic installation.

Attic egress window.

Since the staircase to the attic can act as a chimney for the fire to quickly spread it s necessary to have a secondary point of egress or exit. Attic ventilation natural lighting and aesthetic value. The minimum egress window opening height is 24 high. The area of a window well shall not be less than 9 square feet with a horizontal length width of no less than 36 inches.

Egress is literally defined as a path out or to emerge and these terms directly apply to the design principles behind egress windows. When the sill height of an egress window is located below grade common for egress windows provided for a basement a window well must be provided. Two means of egress. Attics are the worst place to be in a fire because heat and fire rise rapidly.

The minimum egress window opening is 20 wide. Since any staircase to the attic can act as a chimney for the fire to quickly spread it s necessary to have a secondary point of egress or exit. A rose window is circular and decorative. Attic windows or roof windows are commonly installed for three main purposes.

Egress windows are usually required when finishing a basement or attic. V 2500 series white vinyl right handed sliding window with fiberglass mesh screen. The 2009 and 2015 irc verbiage is similar and still applicable. Have an egress point.

Egress window well code requirements. In case of an emergency windows installed in any sleeping room must pass strict codes so that occupants can exit and rescue specialists can enter the bedroom. The minimum opening area of the egress window is 5 7 square feet. In most codes this means an operable not fixed window to the outside or patio door.

The egress window must have a glass area of not less than 8 of the total floor area of room s for which it is servicing to allow the minimum amount of sufficient natural light. Please be aware of the definition and egress requirements of a habitable attic as it relates to dwellings built from the 2012 irc. Attics that meet the size and ceiling height criteria of the habitable attic definition in chapter 2 are considered habitable. They include skylights dormer windows rose windows and top hinged roof windows.