For all fireplace installations, follow the floor protec- tion guidelines described above. Keep in mind that many raised hearths will extend less than the required clearance from the front of the heater. In such cases, sufficient floor protection as described above must be added in front of the hearth to satisfy the minimum floor protector requirement from the front of the stove: 16” (410mm) in the United States and 18” (460mm) in Canada. Hearth rugs do not satisfy the requirement for floor protection as they are not fire proof.
Fireplace installations also have special clearance requirements to the side walls, side decorative trim and fireplace mantel. Refer to the information on fireplace and mantel trim shields in this section.
Keep the Stove a Safe Distance from Sur-
rounding Materials
Both a stove and its chimney connector radiate heat in all directions when operating, and nearby combustible materials can overheat dangerously if they are too close to the heat source. A safe installation requires that adequate clearance be maintained between the hot stove and its connector and nearby combustibles.
Clearance is the distance between either your stove or chimney connector, and nearby walls, floors, the ceiling, and any other fixed combustible surface. The Defiant has specific clearance requirements that have been established after careful research and testing. These clearance requirements must be strictly observed.
In addition, keep furnishings and other combustible materials away from the stove. In general, a distance of 48” (1220 mm) must be maintained between the stove and moveable combustible items such as drying clothes, furniture, newspapers, firewood, etc. Keep- ing those clearance areas empty assures that nearby surfaces and objects will not overheat.
Safe Ways to Reduce Clearances
Clearance requirements are established to meet every installation possibility, and they involve the combination of these variables:
•When the stove has no listed heat shield mount- ed on it.
•When the wall has no heat shield mounted on it.
•When the wall has a heat shield mounted on it.
•When the wall and stove have heat shields.
In general, the greatest clearance is required when you place a stove and its connector near a wall with no heat shield.
For example, when the Defiant is installed parallel to the rear wall and no shield is used, it must be at least 33” (815 mm) from the wall behind it and at least 24” (610 mm) from walls on either side.
Defiant Woodburning Stove
If the Defiant is installed in a corner and no shield is used, the corners of the stove must be at least 23” (585 mm) from nearby walls.
Clearances may be reduced only by means approved by the regulatory authority, and in accordance with the clearances listed in this manual. Refer to Pages 10 - 13 for approved clearance reduction specifications.
Use only Vermont Castings Defiant Rear Heat Shield
NOTE: Alcove installation of the Defiant is not permitted.
Wall Shields
One way to reduce clearances is with a wall shield constructed of 24 gauge or heavier sheet metal, or of another noncombustible material such as 1/2” (13 mm) insulation board such as Durock® or Wonderboard®, or common brick “laid on flat,” with the 3¹⁄₂" (90 mm) side down.
Shields must be spaced out from the combustible surface 1" (25 mm) on noncombustible spacers, as in Figure 13. The spacers should not be directly behind the stove or chimney connector.
Air must be able to flow between the wall and the shield. At least 50% of the bottom 1" (25 mm) of the shield must be open, and the shield must be open at the top. Metal screening across the top will keep small stray objects from being trapped behind the shield. (Fig. 13)
The shield must be a minimum of 48" (1220 mm) tall, and must extend at least 20¹⁄₂" (520mm) higher than the top of the stove, whichever is higher. The shield behind the chimney connector must be 30" (760 mm) wide, centered behind the pipe; for installations that use an approved prefabricated chimney to pass through the ceiling, the shield behind the chimney connector must stop 1" (25 mm) below the ceiling.
Air Flow |
|
Screen |
|
Wall Shield |
|
Stud Wall |
|
Framing |
|
Noncombus- |
|
tible Spacers | Shield |
and Fasteners |
|
| Metal Spacer |
Drywall |
|
Air Flow |
|
| ST248 |
Fig. 13 Approved wall shield construction.
30001693 | 11 |
