Required Clearance to Combustibles
13
The EPA Phase 2 qualified Standard Series fireplace fireplace and DM 54 chimney system is tested and listed for installation
with “clearance to combustibles” as follows:
A: Four inch (4”) clearance to the combustible floor;
B: One and one-half inches (1 1/2”) clearance at the Isokern firebox and smoke dome sides and front ;
C: One and one half inches (1-1/2”) clearance at the Isokern firebox and smoke dome back wall ;
D: Zero inch (0”) Clearance to the DM chimney system. Contact metal pipe manufacturer for specific clearance
information
NOTE: See Magnum Listing Label for Magnum model 86072 Clearances to Combustibles.
CAUTION: Maintain three inches (3”) clearance to insulation and vapor barriers from all firebox, smoke dome flue components.
Note: “Combustibles” are defined as “normal construction materials” and are considered to be: wood framing materials, particle
board, mill board, plywood sub-flooring, plywood paneling and wood flooring.
Sheathing materials, such as plywood, particle board and drywall may cover the smoke dome front at 0” clearance.
All combustible sheathing materials that protrude beyond front of firebox must be held 8” away from the sides of the firebox
opening and 8” above the top of the firebox opening. Drywall must be cut 2” back from the firebox opening sides and 8” above the
top of the opening.
Notes:
A. The EPA Phase 2 qualified Standard Series fireplace fireplace is rated for installation on a combustible floor system when
using the Fire-Lite application only.
The EPA Phase 2 qualified Standard Series fireplace must sit upon a concrete support slab designed to bear the total installed
weight of the fireplace and DM 54 chimney system. These support slabs can have no wood underpinnings.
B. Concrete support slabs for the EPA Phase 2 qualified Standard Series fireplace must provide the noncombustible hearth
extension
substrate needed to support the code required noncombustible hearth extension finish materials.
C. All EPA Phase 2 qualified Standard Series fireplaces shall have hearth extensions of approved noncombustible material
such as brick, tile, or stone that is properly supported and with no combustible material against the underside thereof. Wooden forms
used during the construction of hearths and hearth extensions shall be removed when the construction is complete.
D. If a raised fireplace floor and raised hearth extension are preferred, the raised underlying structure must be built of
noncombustible material and must sit on noncombustible substrate.
B
A
B
B
D
D
D
C
Non-Combustible
Floor System
(non-insulation)
Hearth Extension
(non-combustible)
