Alcove Installations
Because of their restricted air flow and heat retention characteristics, specific construction requirements and special clearances apply to installations into alcoves. No stove or chimney connector heat shields are used in alcove installations.
ALCOVE INSTALLATION OF THE MADISON IS NOT PERMITTED IN CANADA.
Construction Requirements
The following illustrations show noncombustible ceiling framing and maximum and minimum permitted dimen- sions for alcove construction.
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| 7/16” Durock® |
36" | Use recommended | (or equivalent) |
Max. | floor protection | spaced 1” off |
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| wood studs on |
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| noncombustible |
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| spacers |
| 48" Min. | ST502 |
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Fig. 19 Alcove floor plan. Sheetrock on front face butts to Du- rock® (or equivalent) alcove lining.
Vermont Castings Madison
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| ST504 |
Fig. 21 | Cutaway perspective of alcove installation. |
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| Existing Combustible |
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| Framing | 24" |
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| 11" |
Metal studs |
| Min. | |
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support 7/16” |
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Durock® (or |
| 36" | |
equivalent) |
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| Min. | ||
ceiling |
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| 14���" |
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Joist Shield (Supplied by Chimney Manufacturer)
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| 48" Min. |
| ST505 |
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Fig. 22 Reflected ceiling plan. |
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1” air gap top and bottom, on both sides and back wall
Metal
Stud
Combustible facing may overlap metal studs by only 1”
7/16” Durock® (or equivalent)
Ceiling sup- port package extends 2” below Durock® (or equivalent) ceiling
1” air gap, top, bottom, on both sides and back wall
62" Min.
65" to Alcove Ceiling
ST503
NOTE: From 62” to 65” must be covered by a noncom- bustible material.
ST506
Fig. 20 Alcove side section.
Fig. 23 Front view: 65” minimum clearance from hearth to combustibles on front face. Combustible facing may overlap metal studs by only 1”. It should not extend below the height of the noncombustible ceiling.
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