Nail Fin 4040 Slider Basement Egress Window System

Combining the G70 Series Nail Fin 4040 Slider Egress Window and matching 64” wide Boman Kemp Easy-Well™, this Basement Window System is available in three different sized combinations.

For sizing the height of the Easy-Well™, please use our convenient Easy-Well™ Height Calculator found under each system.

Included in each Nail Fin 4040 Slider Basement Egress Window System are the following items:

• G70 Series Nail Fin 4040 Slider Egress Window
• Boman Kemp Easy-Well™
• Boman Kemp heavy-duty steel Safety Grate
• Boman Kemp polycarbonate Clear Cover
• Boman Kemp emergency Escape Ladder

For more information, refer to the Resources section found on the website.

Easy-Well™ Height Calculator

To determine the correct height of your window well, enter your overall foundation wall height (from top of footer to top of wall), finished grade height (distance from top of foundation to the finished grade or soil), overall floor depth (concrete floor thickness plus any built-up floor finishes), and the concrete sill opening (distance from the bottom of the concrete sawcut opening to the top of the finished floor).

1.) Most concrete floors are 3½" to 4" thick.
2.) Assumes bottom of the window well extends 12" below the bottom of the concrete sawcut opening.
3.) Assumes top of the window well extends 3" above the finished grade.

Foundation wall height (in):

Finished grade height (in):

Floor depth (in):

Concrete sill opening (in):

Please provide a value for the highlighted fields.

Calculate