30
5.2.2 ALCOVE CLEARANCE TO COMBUSTIBLES ENCLOSURE
EN
NOTE: When framing with an alcove the
enclosure height must be 72" (1829mm) not
70" (1778mm)
56 3/4"
1441mm
CEILING
1829mm
ENCLOSURE
HEIGHT
* See venting section.
IMPORTANT: THE FIRESTOP ASSEMBLY PROVIDED MUST BE USED WHEN THE VENT PIPES PASS
THROUGH ANY COMBUSTIBLE WALL, FLOOR OR CEILING.
W415-1434 / 06.09.15
COMBUSTIBLE
STEEL STUD
6"
FRAMING
152mm
MAX
NON-COMBUSTIBLE
MATERIAL
16 1/4"
413mm
72"
49"
1245mm
32 3/4"
832mm
INSULATED
SLEEVE
2"
51mm
1"
25mm
2"
51mm
0" IF NON-COMBUSTIBLE
FINISHING MATERIAL
IS USED SUCH AS
BRICK AND STONE.
1"
25mm
FIRESTOP
ASSEMBLY
52 7/16"
1332mm
MINIMUM
PLUS RISE *