Bilco Steel Sided Basement Doors

How To Select the Proper Model 

The following instructions will help you select the proper size Bilco ® steel sided door for your home. You may want to print this page to use as a worksheet. 

STEP 1: Measure your areaway foundation:

 

  1. Disregard your old door and measure (in inches) the dimensions of the existing areaway foundation.
  2. Measure dimension W1, the inside width,
    and dimension W2, the outside width of the areaway foundation walls.
  3. Measure dimension L1, the inside length, and dimension L2, the outside length of the areaway foundation walls.
  4. Measure dimension H1, the height from the top of the areaway foundation to the top of the opening in the house foundation.

STEP 2: Record your foundation dimensions in the boxes shown:

Please enter all dimensions in inches and fractions in decimal format (example: 43¼ should be entered as 43.25)

Width

Length

Height

Inside:"

Outside:" Inside:" Outside:" "