Vermont Casting 1640 - Manual (Page 8)

8
Intrepid 1640 Woodburning Stove
30000830
Fig. 13 CSA approved Wall Pass-through.
24 ga.Sheet
Steel Support
24 ga. Sheet
Steel Support
(one side only)
Min. 18"
(460mm)
Chimney clearance to sheet steel
supports and combustibles 2" (51mm)
Min.
Chimney Flue
Chimney
Connector
Masonry Chimney
constructed to CAN/
CSA-B365
Min. 18"
(460mm)
ST276
Fig. 10 Wall Pass-through using factory-built insulated
chimney section.
Min. 9"
(230mm)
Air Space
Min. 9"
230mm
Chimney Flue
Sheet Steel
Supports
Min. 2"
(51mm)
Non-soluble
refractory cement
Solid
insulated,
listed factory-
built chimney
length set flush
with flue
Chimney
Connector Masonry
Chimney
constructed to
NFPA 211
24 ga.Sheet
Steel
Supports
ST273
Fig. 12 Wall Pass-through with ventilated steel thimble.
24 ga. Sheet
Steel Supports 24 ga. Sheet
Steel Supports
2" (51mm) Min.
Chimney clearance to sheet steel
supports and combustibles 2" (51mm)
Min.
Chimney Flue
2" (51mm) Min.
air space
Prefab
Chimney
Section
Prefab
Chimney
Section
Chimney
Connector
Masonry Chimney
constructed to NFPA 211
ST275
Fig. 11 Wall Pass-through using single wall chimney
connector with a ventilated steel thimble.
Min. 6"
(152mm)
Chimney clearance to sheet
steel supports and combustibles
2" (51mm) Min.
Glass Fiber
Insulation
Chimney Connector
Chimney Flue
Steel Thimble
with two 1"
(25mm) Ventilated
Channels
Masonry Chimney
constructed to NFPA 211
24 ga.Sheet
Steel Supports
ST274
Canadian Requirements:
In Canada, the Canadian Standards Association has
established specific guidelines regarding wall pass-
though design. Figure 13 shows one approved method
in which all combustible material in the wall is cut away
to provide the required 18" (457mm) clearance around
the connector. The resulting space must remain empty.
A flush-mounted sheet metal cover may be used on
one side only. If covers must be used on both sides,
each cover must be mounted on noncombustible
spacers at least 1" (25mm) clear of the wall. Your local
dealer or your local building inspector can provide
details of other approved methods of passing a chim-
ney connector through a combustible wall.
In Canada, this type of installation must conform to
CAN/CSA-B365, Installation Code for Solid Fuel
Burning Appliances and Equipment.
Floor Protection
A tremendous amount of heat radiates from the
bottom plate of an Intrepid II, and the floor beneath
requires two kinds of special protection.
Heat protection is provided by a Vermont Castings
Bottom Heat Shield, part #0307.
Spark and ember protection is provided by a floor
protector, which may be any noncombustible material.
For a new hearth, we recommend a noncombustible
floor protector such as 1/4" non-asbestos mineral
board or its equivalent, or 24 gauge sheet metal. If
carpeting is present, it must be removed before
installation of the floor protector. The floor protector
may be covered with a noncombustible decorative
material if desired. When using brick, tile, or stone,
individual pieces must be mortared so sparks cannot
fall through.
When the optional 3” (75mm) short legs are used, the
bottom heat shield must be used.
Most installations will require that the bottom heat
shield be attached. Only when the stove is placed
on a completely noncombustible surface, such as
unpainted concrete over earth, may it be used
without the bottom heat shield.
Even with the bottom heat shield installed, you must
also use a floor protector.
In the United States, the floor protector required
under the stove must extend at least 16” from the front
of the stove - not from the ashlip - ( ‘E’ in Fig. 14), and
at least 6” from the sides and rear (‘D’, Fig. 14).
To meet the requirement in the United States, a floor
protector must be at least 34” wide and 40” deep.