Quadra-Fire EXPLR-III-MBK Installation Manual - page 13
November 29, 2016
7060-228G
13
Explorer III Wood Stove
Thimble
Siteconstructedformasonrychimneyinstallation:
Components
• A minimum length of 12 inches [305mm] (longer for
thicker walls) of solid insulated factory-built chimney
lengthconstructedtoUL103TypeHT6inch(152mm)
inside diameter. Chimney needs to extend a minimum
of 2 inches (51mm) from the interior wall and a minimum
of 1 inch (25mm) from the exterior wall.
• Wallspacer,trimcollarandwallbandtofitsolidpack
chimney selected.
• Minimum 8 inch (203mm) diameter clay liner section (if
not already present in chimney) and refractory mortar.
• When jurisdiction requires install approved chimney
liner in masonry chimney.
Air Clearances
•MasonrychimneyclearancemustmeetNFPA211mini-
mum requirement of 2 inches (51mm) to sheet metal sup-
ports and combustibles.
• Minimum of 1 inch (25mm) clearance around the chim-
ney connector.
•Top of wall opening is a minimum of 13-1/2 inches
(343mm) from ceiling or 4-1/2 inches (114mm) below
minimum clearance specified by chimney connector
manufacturer.NFPA211minimumverticalclearanceof
18 inches (457mm) from chimney connector and ceiling
or minimum recommended by chimney connector manu-
facturer.
Figure 13.1
Instructions:
1. Openinsidewallatproperheightforthechimneycon-
nector to entry the masonry chimney.
Figure 13.1
2. Entry hole to masonry chimney must be lined with an 8
inch (203mm) minimum diameter clay liner, or equiva-
lent, secured with refractory mortar.
3. Construct a 17 inch x 17 inch (432mm x 432mm) outside
dimensionframefrom2x2framinglumbertofitintowall
opening.Insideopeningofframeshouldbenolessthan
14 inch x 14 inch (356mm x 356mm).
Figure 13.1
4. Attach the wall spacer to the chimney side of the frame.
5. Nail the frame into the wall opening. The spacer should
be on the chimney side.
6. Insertthesectionofthesolidinsulatedchimneyintothe
outer wall of the masonry chimney.
7. Tightly secure the length of the solid insulated chimney
with the wall band to the masonry chimney.
8. Insertasectionofchimneyconnectorintothechimney.
Makesureitdoesnotprotrudepasttheedgeoftheclay
chimney liner inside the chimney.
9. Sealtheendofthechimneyconnectortotheclayliner
with refractory mortar.
10. Installtrimcollararoundthesoldpackchimneysection.
Figure 13.1
Trim Collar
Chimney Section
with 2 inch
(51mm)
Clearance to
Combustibles
Chimney
Connector
Fire Clay Flue
Liner
with Airspace
Masonry
Chimney
Wall Band to
Secure Chimney
Section
Wood Studs Used
for Framing - Spaced
2 inch (51mm)
clearance from
Masonry Chimney
Wall Spacer
Solid Pack Chimney with Metal Supports as a Thimble
Figure 13.2
Fire Risk
DoNOTpackinsulationorothercombustiblesbetween
spacers.
• ALWAYSmaintainspecifiedclearancesaroundvent-
ing and spacers.
• Installspacersasspecified.
Failuretokeepinsulationorothermaterialawayfromventpipe
maycausefire.
WARNING
1.5”
1.0”
2.0”
2.0”
1.5”
14.0” ID
17.0” OD
ceiling
Minimum18.0”
NFPA 211
13.5” below ceiling to top
of opening
1.0”
8.0”
1.5 2x2 framing stud
2.0 min air clearance
1.0 min air clearance
4.5
or top of opening is a min.of
4.5” below min.clearance
specified by connector mfg.
Center of Hole
Thimble
CL
CL
Wall
Include depth
of hearth pad