VRB46 –Vented Chase- Style 1 – OPENING WITH NO GRILL
Variable
Variable
Vertical Venting must use
Firestop Spacer (ZDVFS) or Attic
Insulation Shield and Sealant
TOP VIEW
Optional Attic
Insulation Shield
(ZDVAIS, ZDVAIS24)
Firestop
Optional
Recess
52”
MIN
43-3/4”
47”
FRAMING
I.D.
10” Hole cut through
combustibles
Open Area
Open Area
Open Area
Open Area
Ceiling / Enclosure Top
Ceiling / Enclosure Top
VENTILATION PLATES MUST BE REMOVED
⚠
NOTE:
Minimum Opening is
105 sq.
inches of free air
.
⚠
NOTE:
If using insulation in vented chase
(i.e. for outside wall), wall board / drywall is
required to support all insulation.
Vented chase must be clean and free of all
debris (i.e. loose insulation, pieces of wood,
etc.).
⚠
NOTE:
HEAT CANNOT BE
DISCHARGED INTO THE WALLS, FLOOR,
OR CEILING.
Heat must exit through the
required vented chase opening near the
ceiling.
Exterior wall is insulated
and drywalled.
Exterior wall is insulated
and drywalled.
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