Distance Combustible Mantle - Spartherm ZERO CLEARANCE FIREPLACE-700 Installation And Operating Instructions Manual

The hearth requirements are summed up in the following table:
Floor protection reqiurements
zero clearance fireplace 600
9 1/4" or4 1/2" -WITH
Distance from floor to the
r VALUE 2,957 (Canada)
bottom of the door glass
6 1/2" - With R value 2,957 (USA)
Hearth extension in front of
18" (US) / 457 mm (Canada)
fuel loading door
Heart extension to the side of
8" (US) 200 mm (Canada)
fuel loading door
Hearth material or R-value for
Non-combustible material
hearth material
All floor protection materials must be non-combustible material.

4.2 DISTANCE COMBUSTIBLE MANTLE

zero clearance fireplace 700
Distance from top of glass to mantle
9 1/4" or 4 1/2" -WITH
r VALUE 2,957 (Canada) 6 1/2" -
with R value 2,957 (USA)
16" (US) / 406 mm (Canada)
6" (US) 152 mm (Canada)
Non-combustible material
or
e.4,5" -WITH r VALUE 2,957 (Canada)
6,5" - With R value 2,957 (USA)
15
MANTLE MINIMUM CLEARANCES
= or 4 1/2" -with R value 2,957 (Canada) / 6 1/2" - with R vlaue 2,957 (USA
21"
28"
Min. 9 1/4"