For your home, a casement window with a mobile mullion for a bedroom is the solution to meet emergency exit requirements and the National Building Code Egress standard*.

This new feature allows the semi-operating sash to be opened from the inside without a key, without tools and without special knowledge. This is a significant part of your escape plan in the event of a fire: a procedure to review and test every year with all members of the household, especially your children!

This option allows the bedroom’s window frame to be fully opened in 3 quick, easy, and safe steps:

We remind you that these 3 steps are affixed on a label at the bottom of the window like this one:

This tip specifically addresses safe evacuation in the event of a fire. However, the mobile mullion option on a casement window may have other uses, for example, to bring in building materials (plywood, gypsum, wood, etc.).

* For a basement window to meet the emergency exit requirements of the National Building Code, the product must meet the following minimum dimensions: width (380 mm) and an opening area (0.35 m²). Consult our tips with reference to the requirements of the Egress standard.

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