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Masonry And Factory-built Fireplace Clearances
The minimum required clearances to combustible materials when installed into a masonry or factory built fireplace are listed below.
Unit
Adjacent
Side Wall
HI1150
(to side)
A**
15" (381 mm) 15" (381 mm)
for 3-1/2" (89
mm) mantel
20" (508 mm)
for 12"(305 mm)
mantel
Note: Side and Top facing is a maximum of 1.5" thick.
**Measured from side/top of door.
12
10
8
6
4
20
12" (305mm) Mantel
18
3-1/2" (89mm) Mantel
16
14
12
20"
10
(508mm)
15"
8
(381mm)
6
4
2
0
Top of
Door
Clearances are critical.
***Mantel can be installed anywhere in shaded
area or higher using the above scale.
Mantel***
Top
(to top)
Facing
(to top)
B**
C**
14" (355 mm)
2
*Floor Protection
Thermal insulation/protection with a R value of 1.4 at a distance of 18" from door opening is
required for Canada and 16" for USA.
If unit raised minimum 4.5" from hearth, no thermal protection is required.
Please check to ensure that your floor protection and hearth will meet the standards for clearance
to combustibles. Your hearth extension must be made from a non-combustible material. Extending
16" for US and 18" for Canada—measured from the fuel loading door opening.
Side View
Side
Minimum
Facing
Hearth
(to side)
Extension*
D**
7 7/8"(200 mm)
16" (406 mm) USA
18"(457 mm) Canada
B
A
G
Clearance Diagram for installations
installation
Minimum
Hearth Side
Extension*
E
F
8" (203 mm)
C
D
Fireplace Specifications
Your fireplace opening requires the following
minimum sizes:
Height:
Width:
Depth:
(w/ standard flue adaptor)
(w/ offset flue adaptor)
Faceplate Dimensions:
Height
Width
HI1150 Hampton Wood Cast Insert |
From Top of
Door
G
19" (483 mm)
E
F
19-5/8" (499 mm)
25" (635 mm)
15" (381 mm)
18-1/16" (459 mm)
27-1/4" (692 mm)
38-5/16" (973 mm)
7
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