DuraVent DuraTech Shroud - Manual (Page 5)

5
HOUSE STYLE SHROUD
The House style shroud is roughly square or
rectangular with a closed top and
exhaust openings on four (4) sides. (Figure 2)
Table 1 lists the minimum Shroud
dimensions, the minimum Open Area per side,
and the minimum Total Open Area
for the Shroud, depending on the diameter of
DuraTech chimney used.
House Style Shroud Minimum Dimensions
Chimney
Diameter
(inches)
Chimney
Area
(inches)
Min
Height
H (inches)
Min
Length
L (inches)
Min
Width
W (inches)
Min
Open Area
per side (sq.
in)
Min
Total Open
Area (sq. in)
5 20 17 13 13 20 79
6 28 17 13 13 28 113
7 38 17 17 17 38 154
8 50 17 17 17 50 201
10 79 22 24 24 79 314
12 113 23 24 24 113 452
14 154 24.5 28 28 154 615
16 201 25 28 28 201 804
18 254 28 32 32 423 1692
20 314 28 32 32 524 2096
22 380 28 36 36 634 2536
24 452 28 36 36 750 3000
H
W L
Table 1: House Style Shroud Minimum Dimensions
Figure 2
H: Minimum height of Shroud
L: Minimum length of Shroud
W: Minimum width of Shroud
Shaded area represents screened Open Area. Actual shape
of Shroud may vary as long as minimum dimensions and
minimum Open Area requirements are met.