Installation manual
www.fmiproducts.com
108918-01K 11
NailOnly
Outer
Perimeter
ofFlashing
StormCollar
UnderlapShingles
atBottom
Overlap
ShinglesTop
andSidesOnly
Figure 15 - Flashing Installation
Figure 16 - Storm Collar
Chimney
Pipe
Waterproof
Caulk
Storm
Collar
Flashing
Storm Collar Installation (SC1 or SC2)
Placestormcollaroverpipeandslidedown
untilitissnugagainstopenedgeofashing
(seeFigure16). Use SC1for all roundter-
minationsand SC2for allterminations with
slipsections.Applywaterproofcaulkaround
perimeterofcollartoprovideaproperseal.
Terminations/Spark Arrestor
Fireplace system must be terminated with
listedroundtoporchaseterminations.Inany
case,refertoinstallationinstructionssupplied
with termination.Terminations approved for
thisreplaceareRT-8DMandRTL-8DMthat
can be used for ashing or chase and ET-
8DM,ETO-8DM,ETL-8DMandETLO-8DM
for chase style termination only. Figure 17
showsanRTL-8DMroundtoptermination.
 CAUTION: Do not seal open-
ings on the rooftop ashing. Fol-
low the installation instructions 
provided with  the termination 
being used.
Flashing
Cone
VENTING INSTALLATION
Continued
AttachBracket
Tabsto
OuterPipe
(3Places)
Securewith
Screws
RTL-8DM
LevelofFlue
GasOutlet
Caulk
Collar
Flashing
UnderlapShingles
BottomOnly
Figure 17 - Termination
Overlap
ShinglesTop
andSides
Terminationswith16"slippipesectionsare
available. RTT-8DM and RTTL-8DM are
approved for flashing installations. When
needed, these adjustable terminations may
beusedin combinationwithpipe assembly
toachievecorrectchimneyheight.
Note: In the rare instance there is a problem 
with  side  driven  rain  or  wind  or  chimney  is 
not drafting properly, an ADS-8DM (Anti-Draft 
Shield) can be used with round terminations.
FluePipeof
RTL-8DM
InsideInner
Pipeof
Chimney
CHASE INSTALLATIONS
Instructionsforchaseinstallationsareinclud-
edwithchasestyleterminationchosen.Ina
multiplechaseinstallation,besuretoprovide
adequate distance between terminations to
preventsmokespillagefromonetermination
toanother.Wesuggestthatterminationsbe
separatedatleast24",centertocenterand
stackedataverticalheightdifferenceof18"
(seeFigure18).
Note: If a decorative shroud is to be installed, 
contact manufacturer for specications.
18" MIN. TYP.
24" MIN.
24" MIN.
Figure 18 - Multiple Chase Installation










