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| An Angled Cellar Door is used on an existing Flat Foundation; (such as a poured concrete porch or level cinder block walls) |  |
Use the following illustration as a guide to assist you while you take
the required measurements listed below.
(You may want to print this page and use
it on the jobsite)
| Inside Width of Foundation | Outside Width of Foundation | ||
| A1 | A2 | B1 | B2 |
|
A1, A2, B1 & B2 are important measurements that allows us to build a door that will sit on the center of your foundation. |
|||
| Length of Foundation | Height of Doorway | |
| C1 (Inside Length) | C2 (Outside Length) | D |
| C1, C2 will allow us to make the door the proper length. | D – tell us how tall to make the frame. | |
