Bilco CBD12 Instruction Manual download pdf

Extensions for Bilco

Ultra Series Basement Doors

ASSEMBLY INSTRUCTIONS

1. First assemble the size C Ultra Series door in

accordance with the instructions supplied with

the door.

2. The extension assembly consists of five parts:

left side panel, right side panel, cover panel, house

flange, and gap filler strip. Fasten the extension

side panels to the back angle of the Bilco Door

side pieces as shown in DETAIL A.

3. Install extension cover panel so that the ends

overlap the extension side panels. Secure

the extension side panels to the cover panel with

2” deck screws provided.

4. Follow Basement Door instructions for installation

of extension header against masonry building or

to fit it properly under the shingles or clapboards

on a frame building.

5. Using the holes provided at bottom of each side

panel, fasten the extension to concrete as shown

in DETAIL B.

6. When caulking around the exterior of the Bilco

Door and extension, be sure to caulk all seems

between the Bilco Door and the extension panel.

INSH-C12

Extension

Basement Door

Extensions are used to increase the length of a

basement door when required to fit a longer stairwell

DETAIL A

Side Panel -

Door back angle

DETAIL B

Side Panel

Bottom Flange

See DETAIL A

See DETAIL B

Extensions for Bilco® Ultra Series Basement DoorsASSEMBLY INSTRUCTIONS1. First assemble the size C Ultra Series door inaccordance with the instructio

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Bilco CBD12 Instruction Manual