Step 2 - Enter Dimensions of Basement Opening

You selected the CD Model. Please measure the foundation and provide the following information. Refer to the diagram below. Please note that when replacing a different manufacturers unit that the footprint of the unit will not be the exact same as the footprint of the Gordon door hangover. However, the Gordon door will scat the foundation.

Measure the Sides

The CD model has sides that are attached to your existing foundation. Measure the width "C" and "D" which are the inside (C) and the outside (D) dimensions of the sides.

C :

D :

Measure the Length

Next, measure length A and B from the building to the inside (A) and the outside (B) of the basement wall.

A :

B :

Measure the Height

Finally, measure "K" which is the distance from the top of the foundation to the top of the basement opening.

K :

View All Model Diagrams for CD

Model CD-0:

Model CD-1:

Model CD-2:

Model CD-3:

Model CD-SL:

Note: Dimensions shown are outside frame dimensions.