INSTALLATION PROCEDURE — SMALL COVER
Other base frame installation options
4-1/3"
(110 mm)
Option 5A (with stringer)
1. Remove all tabs on side of the base frame.
2. Fasten the base frame to stringer with 4 screws
(prepared on site).
Option 5B (for concrete wall)
1. Cut out a place for the cover into the wall.
2. Remove all tabs on side of the base frame
before installation.
3. Fix the base frame into place with mortar.
4. Secure the base frame with 4 screws
(prepared on site), if needed.
3/4"
(19 mm)
4-1/3"
(110 mm)
Screws
Tab
Screws
- 11 -
Max.1"(25 mm)
Stringer
Min.1-3/8"(35 mm)
Tab
Stringer
Stringer
Mortar