![Isokern Magnum 28 Installation, Operation, Maintenance And Owner'S Manual Download Page 63](http://html1.mh-extra.com/html/isokern/magnum-28/magnum-28_installation-operation-maintenance-and-owners-manual_2093409063.webp)
1 ½” min.
25
¼
”
Fire-Lite Stand
Combustible
Floor System
14GA. Metal Joists
@ 12” O.C. with a 3” Dia.
Hole for Air Flow
14GA. Metal Joists
@ 12” O.C. with a 3” Dia.
Hole for Air Flow
1” Thick Insboard
on Wood Sub-Floor
Noncombustible
20” Hearth Substrate
Air Flow Passage
26 Gauge Metal
Safety Strip
9
½
”
MIN
33” 60 & 72
63
The noncombustible raised platform must be set with a minimum one and one half inch (1-1/2") clearance to the wall
directly behind the Fire-Lite assembly.
Raised Platform:
Nominal four (4") metal base. (Figure 129).Set the Fire-Lite base plate in a mortar bed on to the non-combustible raised
platform.
Metal safety strip - a generic 26 ga., four inch (4”) wide galvanized metal strip - must be inserted to approximately two
inch (2”) beneath the platform at the front of the noncombustible raised platform. The safety strips must extend out from the front
of the raised platform at least two inches (2”) and must extend to at least two inches (2”) beyond the ends of the raised platform.
Any overlaps in the length of the safety strips should be a minimum of two inches (2”) for continual coverage of the combustible
floor at the front of the fireplace (Figure 130).
The exposed combustible floor within the perimeter formed by the noncombustible raised platform must be completely
covered with one inch thick ceramic fiber insulation board (Figure 128). The board is dry laid to the floor within the block perim
-
eter.
The ceramic fiber board must have a thermal conductivity rating equal to or greater than 0.4 Btu-in/hrsq. ft-degree Fahr
-
enheit. (Reference: Harbison-Walker, 600 Grant St., Pittsburgh, PA 15219, ph. 412-562-6200: “Insboard 2100” or equal.)
Fire Brick Installation:
Follow instructions on page 19 of this manual.
Fire-Lite Application - Raised Metal Platform
FIGURE 130
FIGURE 129