Table of Contents
Advertisement
5
Vent clearances and Framing
A. Pipe clearances to combustibles
WARNING! Risk of Fire! Maintain air space clearance to
vent. DO NOT pack insulation or other combustibles:
• Between ceiling firestops
• Between wall shield firestops
• Around vent system
Failure to keep insulation or other material away from
vent pipe may cause overheating and fire.
Note: Heat shields MUST overlap by a minimum of 1-1/2 in. (38 mm).
• If wall thickness is less than 4 in. the existing heat shields must be field trimmed. If
wall thickness is greater than 7-1/4 in. a DVP-HSM-B will be required.
• SLP heat shield - designed to be used on a wall 4-3/8 in. to 7-5/8 in. (111 mm to
194 mm thick).
• If wall thickness is less than 4-3/8 the existing heat shields must be field trimmed.
If wall thickness is greater than 7-5/8 in. a DVP-HSM-B will be required.
Heat
Shield
3 in. (76 mm)
top clearance
1 in. (25 mm)
clearance around
vertical sections
3 in. (76 mm)
top clearance
1 in. (25 mm)
clearance around
vertical sections
* When using SLP pipe, minimum clearances from the vent pipe to combustible
materials at inside wall firestops are:
Figure 5.1 Horizontal Venting clearances To combustible Materials
29
Heat & Glo • TIARII-BK-IPI, TIARII-BR-IPI, TIARII-CES-IPI Installation Manual • 2340-980_R9 • 06/15
(SLP Pipe Shown)
3 in. (76 mm)
top clearance *
Heat
Shield
1 in. (25 mm)
clearance
Wall
bottom & sides
Shield
Firestop
WALL
(SLP Pipe Shown)
Heat
3 in. (76 mm)
Shield
top clearance *
Heat
Shield
1 in. (25 mm)
clearance
Wall
bottom & sides
Shield
Firestop
WALL
Top: 2-1/2 in. (64 mm)
Bottom: 1/2 in. (13 mm)
Sides: 1 in. (25 mm)
Advertisement
Table of Contents
