Finishing The Hearth Extension - Heatilator C40 Installation Manual

C. Mantel and Wall Projections
o usti le antel
in 1524 ro t e ase o t e re la e
Re er to e tion 3 or re u e
e o usti le antel
12 in 305 Co usti le tri
ore t an 3/4 in 1
an e la e no loser t an
or si e o t e e orative ront Co
over
• t e etal sur a es o t e re la e
• ere t e non- o
etal sur a es
• t e s a e et een t e
ra in e ers
M a nt e l
T r im
60 in.
( 1 5 24 m m )
48 in.
( 1 21 9 m m )
Figure 7.2 Mantel Specifications
Heatilator • C40 Constitution • 480-2340 Installation Manual • Rev D • 05/30/13
a e ositione no lo er t an 0
antel ei t allo an es
a ave a a i u
ie es t at ro e t no
ro t e a e o t e re la e
in 152 ro
usti le tri
usti le oar is la e over t e
etal a e o t e re la e an
C l e a r a nc e s a r e
f r o m b o t t o m o f
a p p l ia nc e t o l o w e r
e d g e o f m a nt e l o r
t r im
D. Finishing the Hearth Extension
WARNING! Risk of Fire!
bers or other burning material falling from the fireplace
may ignite flooring or concealed combustible surfaces.
e t o
• Protective metal hearth strips MUST be installed.
• Hearth extensions MUST be installed exactly as
specified.
t e to
ust not
eart e tension
rote t t e o
ot ra iant eat an s ar s
• ou M
• Re er to i ure
• is re la e as een teste an a
a eart e tension insulate to a
2 0
• e eart e tension
tile stone or ot er non- o
• Manu a ture
u lis e
on u tivit o
to onvert a
• Re er to a le
alternatives
Table 7.1
R
Table 7.2
Hearth Extension Insulation Alternatives, R Value = 2.06
Material
Heart Ho e H 3 H 4
Mi ore 300
Duro
Ce ent Mortor
Co on ri
Cera i ile
r stron
Mar le
High temperatures, sparks, em-
ust e installe
usti le oor in ront o t e re la e ro
use a eart e tension it t is re la e
4 or ini u
aterial M
usti le
eart aterials
R value resistan e to
eat Re er to t e or ula in a le
value to an R value
2 or eart
= 1/k x inches of thickness
k per inch
thick
0 4
0 4
Ce ent oar 1 2
5 0
5 0
12 50
riva uar lus 0 4
14.3-20.0
it all re la es to
i ensions
rove or use it
ini u R value o
e overe it
aterial
ill usuall ave a
eat or k value
1
e tension insulation
Minimum
r per inch thickness
thick required
2 0 1 in
2 0 1 in
0 52 4 in
0 20 10 1/2 in
0 20 10 1/2 in
0 08 25 3/4in
2 18 1 in
0.07-0.05 29 1/2 - 41 1/4 in.
35