Cathedral Ceiling Support Installation (Standard And Ventilated); Cathedral Ceiling Support Wood Frame - Les Foyers Don-Bar 9000 Installation, Operation And Maintenance Manual

5.4 Radiation heat shield: Next, slip a radiation
heat shield down the wood frame to protect the
wood against radiant heat from the chimney.
6. Cathedral ceiling support installa-
tion (standard and ventilated)

6.1 Cathedral ceiling support wood frame:

Build a ceiling wood frame of 20-1/4" x 20-1/4"
I.D. (515 x 515 mm) to anchor the Don-Bar
cathedral ceiling support. Level the frame so that
the suspended hood will be plumb. Note that
these wood frame dimensions are required to
Wood frame for the cathedral
ceiling support
Build a 20-1/4" x 20-1/4"
(515 x 515 mm)
frame to anchor the
Don-Bar Cathedral
Ceiling
Support
This side of the cathedral
ceiling support must extend below
the finished ceiling as
specified here
Minimum extension of the cathedral ceiling support
below the finished ceiling according to the ceiling slope.
PITCH MUST EXTEND PITCH
1/12 7/12
2" (50 mm)
2/12 2" (50 mm) 8/12
3/12 2" (50 mm)
9/12
4/12 2" (50 mm)
10/12
2.5" (65 mm)
5/12 11/12
6/12 3" (74 mm)
12/12
DRAWING 6
REV. 2014-10
Don-Bar
Cathedral
Ceiling
Support
Hidden part
of the ceiling
support
Visible part
of the ceiling
support
Fireplace Hood
to be bolted to the
Cathedral Ceiling
Support
MUST EXTEND PITCH MUST EXTEND
14/12
3.5" (90 mm) 7" (175 mm)
16/12
4 " (100 mm) 8 " (200 mm)
18/12
4.5 " (115 mm) 9 " (230 mm)
5 " (125 mm) 20/12 10 " (250 mm)
5.5" (140 mm) 22/12 11" (280 mm)
6" (150 mm) 12" (300 mm)
24/12
fix the ceiling support.
chimney may require smaller clearances. See
t h e r e q u i r e m e n t s o f t h e c h i m n e y ' s
manufacturer for more details.
Standard cathedral ceiling support
20-1/4"
3" (75 mm)
Trim Collar
Rigid
Insulation
Bolt
Ventilated cathedral ceiling
support
Outside
air supply
DRAWING 7
Page 9
Elsewhere, the
(515 mm)
2" (50 mm)
Mandatory
Air Space
Long Bolt
Factory-Built
Cathedral
Chimney Ceiling
Support
(See art. 2.1)
The cathedral
ceiling support
must extend below
the finished ceiling
as indicated in the
Table of DRAWING 6
Fireplace hood
to be bolted to
the support
Outside air
intake with damper
6" (150 mm)
Damper key
Insulation