Classic Series extensions are available in 6" (15.2 cm), 12" (30.5 cm), 18" (45.7 cm), and 24" (61 cm) lengths. Ultra Series extensions are available in 6" (15.2 cm) and 12" (30.5 cm) lengths only. Two or more can be used back to back for longer areaway lengths.

Replacement parts for Size C Classic Series Basement Doors with GAS SPRING lift assistance.

The finish is available on Size B, Size C, and in six standard colors (Black, Green, White, Sandstone, Gray, Brick) to compliment any home (see color swatches below). Powder coated basement doors can be supplied with a key lock kit and pre-punched holes for ease of installation (see table below).

* Extension Panels are available to increase the basement door length (Size C Doors only). Two or more can be used back to back for longer areaway lengths. *The SLW door length is adjustable for installation flexibility.

Size * Extension Panels are available to increase the basement door length (Size C Doors only). Two or more can be used back to back for longer areaway lengths.

Bilco Classic Series Size C Basement Door, 55-inch X 72-inch, Primer Finish, Heavy Gauge Steel, Gas Spring Lift, Slide-bolt Locking Mechanism, Easy to Install, Weathertight, Durable. Price/Each. 1-800-474-7570

Size * Extension Panels are available to increase the basement door length (Size C Doors only). Two or more can be used back to back for longer areaway lengths.

Use our on-line basement door sizing guide to find the proper size basement door for your home. Simply enter your zip code and your areaway dimensions on the next page and the sizing guide will tell you the BILCO model that you need and your nearest BILCO basement door retailer.

5 days ago · Now featuring a new and improved design, Bilco basement doors allow you, the homeowner, to add code-compliant living space or storage areas to your home. Large items such game tables, furniture, pool supplies and patio furniture, move easily through the wide opening of a Bilco basement door.