FMI S42 Indoor Fireplace User Manual


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111099-01L8
VENTING INSTALLATION
Continued
Figure 9 - Elbow Offset
B
A
Screws
FIRESTOP SPACERS (FS-8DM)
Firestopspacersarerequiredateachpoint
wherethechimneypenetratesaoorspace.
Theirpurposeistoestablishandmaintain
the required clearance between the chimney
andthecombustiblematerials.Whenthepipe
passes through a framed opening into a living
spaceabove,therestopmustbeplacedonto
theceilingfrombelowasshowninFigure10.
Theyalsoprovidecompleteseparationfrom
oneoorspacetoanotheroratticspaceas
requiredbymostcodes.Whenthedoublewall
pipe passes through a framed opening into an
atticspace,therestopmustbeplacedintoan
atticoorasshowninFigure11.
Figure 10 - Firestop Spacer with Living
Space Above Ceiling
Figure 11 - Firestop Spacer with Attic
Space Above Ceiling
Existing
Ceiling
Frame
Firestop
Spacer
Screwsor
Staples
(Min.of8)
Firestop
Spacer
ScrewsorStaples
(Min.of8)
PENETRATING ROOF
Tomaintaina1"clearancetothepipeona
roof with a pitch, a rectangular opening must
be cut.
1. Determinethecenterpointthroughwhich
the pipe will penetrate the roof.
2. Determinethecenterpointoftheroof.
Pitchisthedistancetheroofdropsover
a given span, usually 12". A 6/12 pitch
means that the roof drops 6" for each 12"
onemeasurehorizontallydownfromthe
roof rafters.
3. Usetheroofopeningchart(Figure12,
page 9) to determine the correct opening
lengthandashingrequired.
4. Removetheshinglesaroundtheopening
measured.Cutoutthissection.
5. Add the next sections of the pipe until the
endpenetratestheroofline.Checktosee
that the proper clearances are maintained.
Extend chimney by adding sections of
double wall pipe until pipe is minimum of
30" above the highest point of the roof cut-
out.Terminationandchimneymustextend
a minimum of 36" above the highest point
where it passes through the roof.
Existing
Ceiling
Frame
Figure 8 - Ceiling Support Pipe
12S-8DM
2"Min.
Straps
Straps
Straps
Straps
DetailA
ReturnElbow
DetailB
AngleFirestop
SeeDetailA
SeeDetailB
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