DuraVent Ventinox Rigid Factory-Built Lining System User Manual
Page 11
TABLE 2: CROSS SECTION AREA OF LINER
Liner Size
CS Area
Oval Liner Size Oval Dimensions
CS Area
Round 5"
19.62in2
Round 6"
28.46in2
Oval 6"
(4.2" x 7.2")
24.60in2
Round 7"
38.46in2
Oval 7"
(4.2" x 9.1")
32.20in2
Round 8"
50.25in2
Oval 8"
(4.2 x 10.3")
37.20in2
Round 9"
62.50in2
Round 10"
78.50in2
Oval 10"
(4.2" x 13.3")
49.50in2
Round 12" 113.22in2
TABLE 1: THERMIX VOLUME PER ONE FOOT OF CHIMNEY HEIGHT
Flue Opening
Diameter of Liner
5"
6"
7"
8"
10"
12"
7.5" x 7.5"
.25
.20
- -
- -
- -
- -
7.5" x 11.5"
.46
.40
(Ovalized) .38
(Ovalized) .32
- -
- -
8.5" x 8.5"
.36
.30
.23
- -
- -
- -
8.5" x 11.5"
.54
.48
.41
(Ovalized) .36
(Ovalized) .33
- -
9.5" x 9.5"
.49
.43
.36
.27
- -
- -
11.5" x 11.5"
.78
.72
.65
.60
.37
- -
11.5" x 16.5"
1.18
1.12
1.05
.96
.77
- -
12.5" x 12.5"
.95
.88
.82
.73
.53
- -
14.5" x 14.5"
1.30
1.26
1.20
1.10
.92
.65
14.5" x 18.5"
1.70
1.66
1.60
1.50
1.30
1.04
Packages of TherMix
=
(W" x D" x H") - (CS x H")
1728 cu. in.
÷
3.25
W = Width of flue opening (in inches)
D = Depth of flue opening (in inches)
H = Height of flue (in inches)
CS = Cross Section areas (table 2)
VENTINOX LINING SYSTEM - 11