15
MINIMUM MASONRY
OPENING
J
22 3/4" (578 mm)
K
28 7/8" (733 mm)
L
10 3/8" (264 mm)
CLEARANCES
F
12" (305 mm)
G
10" (254 mm)
H
10" (254 mm)
I
17" (432 mm)*
FLOOR PROTECTOR
CANADA USA
B
18" (457 mm) – Note1
16" (406 mm) – Note 1
M
8" (203 mm)
N/A (Canada only)
N
N/A (USA only)
8" (203 mm)
* For a 6" (152 mm) shelf. See Table
SHELF POSITIONING
(Section 2.5) for other shelf dimensions.
Note 1:
From door opening. The depth of a non-combustible shelf in from of the insert is included in
the calculation of the floor protector’s dimensions.
IMPORTANT:
The masonry hearth should be at least 4 inches (102 mm) higher than the combustible
floor in front of it. If the hearth elevation is lower than 4 inches, the non-combustible floor protector in
front of the insert should have an R value equal or greater than 1.00.