Full Product Manual

4
Basement Doors
Record your foundation dimensions here
Length
L1 + 2” = _____
L2 = _____
Width
W1 + 4” = _____
W2 = _____
Height
H1 = _____
Door
Size
Width
(W)
(inches)
Length
(L)
(inches)
Height
(H)
(inches)
Door Opening
Length
(inches)
Width
(inches)
B 51 64 22 60 44
C* 55 72 19 ½ 67 48
O 47 58 30 58 40
SL 51 43 ¼ 52 60 44
Basement Door Dimensions
*Ultra Series Doors are available in Size C only
Extensions are available to increase the door length for Size C Ultra and Size C
Classic Series doors. Classic Series extensions are available in 6”, 12”, 18”, 24”
and 30” lengths and two or more can be mounted back to back to increase
the door length. Ultra Series extensions are available in 6” and 12” lengths and
two extensions can be combined to increase the door length.
Basement Door Measuring Guide
Follow the instructions below to calculate the proper size door for your areaway. An electronic
version of this sizing guide is also available at www.BILCO.com. Please contact BILCO if you are
unable to nd a standard door to t your areaway.
Areaway — Flat Foundation
Ultra Series and Classic Series Doors
1. Discard your old door and measure (in inches) the dimensions of the areaway foundation.
2. Measure dimension W1, the inside width, and dimension W2, the outside width of the areaway foundation
walls. Record your dimensions below and make the calculation shown.
3. Measure dimension L1, the inside length, and dimension L2, the outside length of the areaway foundation
walls. Record your dimensions and make the calculation shown.
4. Measure dimension H1, the height from the top of the areaway foundation to the top of the opening in the
house foundation.
5. Select the door from the table to the right with a width between W1 and W2 and length between L1 and L2.
H
L
W
Extension
Contact us by phone: [phone] or email: [e-mail]