Fireplace insert installation, Insert placement requirements, Hearth requirements – Avalon Firestyles 1750 Spokane User Manual
Page 9: Masonry fireplace requirements
Fireplace Insert Installation
(for qualified installers only)
9
© Travis Industries
100-01234
4141211
Insert Placement Requirements
The insert must be placed so that no combustibles are within, or can swing within (e.g. drapes,
doors), 36" (915) of the front of the insert (see “q” below).
Insert and hearth must be installed on a level, secure floor
The minimum clearances, facing, and hearth requirements in shown below must be met. Follow the
clearances for the type of fireplace being used – (masonry or zero-clearance-metal).
Side
Wall
Combustible Mantel
Combustible Top Facing
Non-Combustible
Hearth
Facing
q
l
k
p
x
o
n
m
Figure 3
Minimum
Clearances
Masonry
Fireplace
Z.C. (Metal)
Fireplace
k Sidewall
15" 381mm
30" 762mm
l Side Facing
13" 331mm
12" 305mm
m Top Facing
w Mantel Shield
28.5" 724mm
- - - - - - - - - - -
20.5" 521mm
12" 305mm
- - - - - - - - - - -
not applicable
n Mantel
w Mantel Shield
30.5" 775mm
- - - - - - - - - - -
22.5" 572mm
24" 610mm
- - - - - - - - - - -
not applicable
o Front Hearth
(does not
include insert
extension “x”)
16" 407mm
(US)
- - - - - - - - - - -
18” 458mm
(Canada)
16" 407mm
(US)
- - - - - - - - - - -
18” 458mm
(Canada)
p Side Hearth
6" 153mm
(US)
- - - - - - - - - - -
8" 204mm
(Canada)
6" 153mm
(US)
- - - - - - - - - - -
8" 204mm
(Canada
q Front of Insert
36"
915mm
36"
915mm
x Extension Onto
Hearth
10" 254mm
10" 254mm
Hearth Requirements
Must extend 16" (USA) or 18” (Canada) in front of the insert and 6” (USA) or 8" (Canada) on both sides.
Must be non-combustible and at least .018" thick (26 gauge)
Masonry Fireplace Requirements
CANADA ONLY:
The fireplace insert must be installed with a continuous chimney liner of 6” diameter extending from the
fireplace insert to the top of the chimney. The chimney liner must conform to the Class 3 requirement of
Can/ULC S635, Standard Lining Systems for Existing Masonry or Factory- Built Chimney & Vents, or
CAN/ULC S640, Standard for Lining Systems for New Masonry Chimneys.
Chimney must have a clay tile liner or a stainless steel liner (positive connection).
Entire fireplace, including chimney, must be clean and undamaged. Any damage must be repaired
prior to installation of the insert.
Chimney height: 15' (4.5M) minimum; 33' (10M) maximum.
Entire fireplace, including chimney, must meet local building requirements.
The fireplace insert must be placed on a masonry hearth built to UBC standards.