Installation Guide
18
a continuous shield within the wall. If the two 
halves of the Wall Thimble do not overlap, a eld-
fabricated extension constructed out of 26-gauge 
galvanized or stainless steel is needed. 
4. Install Tee Support: Install the Tee Support 
on the outside wall.  Position Tee Support so 
that the chimney Tee will be centered inside 
the Wall Thimble (Figs 24, 25, & 26). The Tee 
Support may be installed either above the Tee or 
below the Tee (within one pipe section), as seen 
in Figure 26. The Tee Support can support up 
to 50-feet of chimney by itself, or up to 70-feet 
of chimney if the Tee Support Straps are used 
(Fig 24, 26). Important: Verify that Tee Support 
is level, and secure the leg brackets of the Tee 
Support to the wall using (4) #8, 2-1/2” screws for 
each side. Slide support base over leg brackets 
to adjust for desired clearance to wall, and secure 
by tightening bolts.  (Figs 26 & 27).
5. Install Tee and Cleanout Chimney 
Figure 25
Figure 26
INSTALLATION 
WITH TEE BELOW 
TEE SUPPORT 
(SHOWN WITH 
LEG BRACKETS 
MOUNTED BELOW 
SUPPORT PLATE)
USE 1/2” 
SHEET METAL 
SCREWS TO 
SECURE BAND 
TO SUPPORT 
BASE
USE (4) 1/2” 
SHEET METAL 
SCREWS TO 
SECURE BAND 
AROUND 
CHIMNEY
WALL THIMBLE 
COVER PLATE
FINISHING 
COLLAR
TEE BRANCH 
(MUST EXTEND AT 
LEAST 6 INCHES 
INTO ROOM)
CHIMNEY TEE
BACK OF WALL THIMBLE 
(SECURE WITH 4 NAILS 
OR 4 SCREWS)
CLEANOUT CAP
INSTALLATION WITH TEE 
BELOW TEE SUPPORT 
(SHOWN WITH LEG 
BRACKETS MOUNTED 
ABOVE SUPPORT 
PLATE)
TEE SUPPORT WITH 
LEG BRACKETS 
MOUNTED ABOVE 
SUPPORT PLATE CAN 
SUPPORT A MAXIMUM 
OF 50-FEET OF 
CHIMNEY.
TEE SUPPORT MAY BE 
INSTALLED WITH LEG BRACKETS 
ABOVE OR BELOW SUPPORT 
PLATE AS SHOWN
8-PENNY NAILS OR #8, 2 1/2” 
WOOD SCREWS, 4 PER SIDE
ADJUSTABLE TEE 
SUPPORT ALLOWS 2”-6” 
CLEARANCE TO WALL
ADJUSTABLE WALL STRAP, 
ALLOWS 2”-6” CLEARANCE 
TO WALL
8-PENNY NAILS OR #8, 
2 1/2” WOOD SCREWS, 
2 PER SIDE










