Vermont Casting 1655, 1656, 1657, 1658, 1659 Alcove Installations, Construction Requirements

Vermont Castings Madison

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 non-combustible ceiling framing and maximum and minimum permitted dimen- sions for alcove construction.

		7/16” Durock®
36"	Use recommended	(or equivalent)
Max.	floor protection	spaced 1” off
		wood studs on
		noncombustible
		spacers
	48" Min.	ST502

Fig. 19 Alcove floor plan. Sheetrock on front face butts to Durock® (or equivalent) alcove lining.

Joist Shield (Supplied by Chimney Manufacturer)

Metal

Stud

		ST504
Fig. 21	Cutaway perspective of alcove installation.
	Existing Combustible
	Framing	24"
		11"
		Min.

Metal studs
support 7/16”
Durock® (or	36"
equivalent)	Min.
ceiling
	14¹⁄₄"
	48" Min.
	ST505

Fig. 22 Reflected ceiling plan.

Ceiling support

package

extends 2”

below Durock®

(or equivalent)

ceiling

1” air gap top and bottom, on both sides and back wall

Combustible facing may overlap metal studs by only 1”

7/16” Durock® (or equivalent)

I N T R E P I D I I

1” air gap,		62" Min.
top, bottom,	65"
		to Alcove
on both
		Ceiling
sides and
back wall

NOTE:
From 62” to
65” must be
covered by
a noncom-
bustible
material.	ST506

ST503

Fig. 20 Alcove side section.

Fig. 23 Front view: 65” minimum clearance form 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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