Vermont Casting 1657, 1659, 1656, 1655, 1658 Canadian Requirements, Floor Protection

Vermont Castings Madison

• Placing a chimney connector pipe inside a section of

9” (230 mm) diameter, solid-insulated, factory-built

Min. 18”

(460mm) Chimney clearance to sheet steel 2” (51mm)

supports and combustibles Min.

chimney, with two inches of air space between the

chimney section and combustibles. (Fig. 10)

Canadian Requirements:

In Canada, the Canadian Standards Association has established specific guidelines regarding wall pass- though design. Figure 11 shows one approved method in which all combustible material in the wall is cut away

Chimney Flue

Min. 18” (460mm)

Chimney Connector

24 ga.Sheet Steel Support

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 spac- ers at least 1” (25mm) clear of the wall. Your local dealer or your local building inspector can provide de- tails of other approved methods of passing a chimney connector through a combustible wall.

In Canada, this type of installation must conform to CAN/CSA-B365, Installation Code for Solid Fuel Burn- ing Appliances and Equipment.

24 ga. Sheet	Masonry Chimney con-
Steel Support
(one side only)	structed to CAN/CSA-B365

ST276

Fig. 11 CSA approved Wall Pass-through.

Floor Protection

Atremendous amount of heat radiates from the bottom plate of your Madison. The floor area directly under and around the stove will require protection from radiant heat as well as from stray sparks or embers that may escape the firebox.

Heat protection is provided through the use of a Ver- mont Castings Bottom Heat Shield #1892. Spark and ember protection must be provided by a floor protector constructed with noncombustible material as specified.

Chimney clearance to sheet steel supports and combustibles

Steel Thimble with two 1” (25mm) Ventilated Channels

Masonry Chimney construct-	Chimney Flue
ed to NFPA 211

ST274

2” (51mm) Min.

Min. 6” (152mm)

Chimney Connector

Glass Fiber

Insulation

24 ga.Sheet

Steel Supports

Most installations will require that the bottom heat shield be attached. Only when the stove is placed on a complete- ly noncombustible surface such as unpainted concrete over earth may it be used without the heat shield.

Even when the bottom heat shield is installed, you must provide special protection to the floor beneath. For installations with the heat shield attached, use a non- combustible floor protector such as 1/4” non-asbestos mineral board or equivalent, or 24 gauge sheet metal. The floor protector may be covered with a noncombus- tible decorative material if desired. Do not obstruct the space under the heater.

Fig. 9 Wall Pass-through using single wall chimney connector with a ventilated steel thimble.

Chimney clearance to sheet steel	2” (51mm)
supports and combustibles	Min.

Protection requirements vary somewhat between the United States and Canada as follows:

For U.S. installations the floor protector is required under the stove and must extend at least 18” from the

ST275

2” (51mm) Min. air space

Prefab Chim-

ney

Section

24 ga. Sheet Steel Supports

Flue	2” (51mm) Min.
Chimney	Chimney Con-
	nector
	Prefab
	Chimney
	Section
	24 ga. Sheet
	Steel Supports
	Masonry Chimney construct-
	ed to NFPA 211

front of the stove (“D”, Fig. 12), at least 4” from the right side and rear (“C”, Fig. 12) and 16” from the left side (“E”, Fig. 12). It must also extend under the chimney connector and 2” to either side (“F”, Fig. 12).

To meet these requirements, a floor protector must be at least 48” wide (“A”,Fig. 12) and 48” deep (“B”,Fig. 12)

In Canada, a noncombustible floor protector is required under the heater also. The floor protector must extend 18” (457mm) to the front (D), and 8” (203mm) from the

Fig. 10 Wall Pass-through with ventilated steel thimble.

right side (C) and rear (C) and 18” (457mm) from left side (E).

8 30001453