Vermont Castings Intrepid
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.
Construction Requirements
The following illustrations show noncombustible ceiling framing and maximum and minimum permitted dimen- sions for alcove construction.
36" Use recommended Max. floor protection
48" Min.
7/16” Durock® (or equivalent) spaced 1” off wood studs on noncombustible spacers
ST502
Fig. 15 Alcove floor plan. Sheetrock on front face butts to Du- rock® (or equivalent) alcove lining.
Joist Shield (Sup- plied by Chimney Manufacturer)
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)
ST503
Fig. 16 Alcove side section.
12
|
| ST504 |
Fig. 17 | Cutaway perspective of alcove installation. | |
| Existing Combustible |
|
| Framing | 24" |
|
| 11" |
Metal studs | Min. | |
| ||
support 7/16” | 36" | |
Durock® (or | ||
equivalent) | Max. | |
ceiling |
|
|
| 14¹⁄₄" |
|
| 48" Min. | ST505 |
|
| |
Fig. 18 | Reflected ceiling plan. |
|
Ceiling sup- port package extends 2” below Durock® (or equivalent) ceiling
1” air gap, top, bottom, on both sides and back wall
NOTE: From 62” to 65” must be covered by a noncom- bustible material.
62" Min.
65" to Alcove Ceiling
ST506
Fig. 19 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. | 2000970 |
