DOOR SIZING TOOL

Step 2 - Enter Dimensions of Basement Opening

You selected the RD Model. The RD model installs on your existing sloping walls. Please measure the foundation and provide the following information. Refer to the diagram below.

Measure the Width's

Measure the width "C" and "D" which are the inside (C) and the outside (D) dimensions of the foundation width.

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. (Please note that to ensure accuracy, measure the foundation and not the existing door.)

A :

B :


View All Model Diagrams for RD

Model RD-0:


Model RD-1:


Model RD-2:


Model RD-3:


Note: Dimensions shown are outside frame dimensions.