Martin SF42 Series - Page 16

16
IMAGINARY
CENTER POINT
ACTUAL
CENTER POINT
CENTERLINE 
OF CHIMNEY
PLUMB BOB
PLUMB LINE
"S" SERIES DOUBLE
WALL CHIMNEY
WALL CHIMNEY

14 1/2" x 14 1/2"
14 1/2" x 14 5/8"
14 1/2" x 14 3/4"
14 1/2" x 15"
14 1/2" x 15 1/4"
14 1/2" x 15 3/4"
14 1/2" x 16 1/4"
14 1/2" x 16 7/8"
14 1/2" x 17 1/2"
14 1/2" x 18 1/8"
14 1/2" x 18 7/8'
14 1/2" x 19 3/4"
14 1/2" x 20 1/2"
TABLE 1
MINIMUM REQUIRED ROOF OPENING
MINIMUM FRAMED OPENING
"E" SERIES DOUBLE
WALL CHIMNEY
WALL CHIMNEY

17" x 17"
17" x 17" 1/8"
17" x 17" 1/4"
17" x 17" 1/2"
17" x 17" 3/4"
17" x 18" 1/4"
17" x 18" 3/4"
17" x 19" 3/8"
17" x 20"
17" x 20" 5/8"
17" x 21" 3/8"
17" x 22" 1/4"
17" x 23"

ROOF PITCH

0/12
1 12
2/12
3 12
4/12
5 12
6/12
7 12 
8/12
9 12
10/12
11 12 
12 12
INSTALLATION OF FIRESTOP-SPACER AT FLOOR LEVELS
INSTALLATION OF FIRESTOP-SPACER AT FLOOR LEVELS
INSTALLATION OF FIRESTOP-SPACER AT ATTIC LEVEL
INSTALLATION OF FIRESTOP-SPACER AT ATTIC LEVEL
FLUE PIPE
FLUE PIPE
FIRESTOP SPACER
FLOOR JOIST
HEADER
CHIMNEY SECTION
INLET AIR PIPE
FIRESTOP SPACER
CHIMNEY SECTION
CEILING JOIST
INLET AIR PIPE
HEADER
OUTER PIPE
FLUE
SUPPORT STRAPS 
FASTEN SECURELY
FIRESTOP
CHIMNEY 
SUPPORT
SNAP LOCK CHIMNEY
SUPPORT SECURLY 
TO LOWER PIPES 
BEFORE FASTENING
SUPPORT STRAPS
CHIMNEY INSTALLATION
FIGURE 15
F
IGURE 16
FIGURE 17
53D9022. Rev 1 03/03