CLAY FLUE LINING

The Kopp Clay Company has been manufacturing architectural clay products for more than 80 years. We are dedicated to producing only products of the highest quality, made from native Ohio clays.

The Kopp Clay Company has melded time know traditional methods of the industry, and brought them up-to-date with today's technology, to produce fine clay products that are backed with service and customer satisfaction.

All products manufactured by the Kopp Clay Company are manufactured in accordance with and will meet the requirements of ASTM C315-91.


SQUARE/RECTANGLE FLUE DIMENSIONS & APPROXIMATE EFFECTIVE FLUE AREA

Flue Size
O.D. Nominal

Outside Dimensions

(Approx. In.)

Inside

Dimensions

(Approx. In.)

Wall

Thickness

Effective
Flue Area
(Sq. In.)

4 ½ x 8 ½

4 ½ x 8 ½

3 ½ x 7 ½

1/2"

26

4 ½ x 13

4 ¾ x 13 ¾

3 ¼ x 12 ¼

3/4"

40

7 ½ x 7 ½

7 5/8 x 7 5/8

6 3/8 x 6 3/8

5/8"

33

8 x 8

8 x 8

6 5/8 x 6 5/8

5/8"

42

8 ½ x 8 ½

8 3/8 x 8 3/8

6 ¾ x 6 ¾

3/4"

49

7 ½ x 11 ½

7 7/8 x 11 ½

6 3/8 x 10 ¼

7/8"

52

8 x 12

8 x 12

6 ½ x 10 3/8

5/8"

67

8 ½ x 13

8 3/8 x 12 3/8

6 1/8 x 11

5/8" – 3/4"

76

12 x 12

11 7/8 x 11 7/8

10 3/8 x 10 3/8

3/4"

102

13 x 13

12 7/8 x 12 7/8

11 1/8 x 11 1/8

3/4"

127

8 ½ x 18

8 ¾ x 17 ¾

6 ¼ x 15 5/8

1 1/8"

102

12 x 16

11 ½ x 15 5/8

9 5/8 x 13 ¾

1 1/8"

131

13 x 18

13 1/8 x 17 ¾

10 ¼ x 15 ½

1 1/8"

173

16 x 16

15 ¾ x 15 ¾

13 5/8 x 13 5/8

1 1/4"

181

18 x 18

18 ½ x 18 ½

16 x 16

1 1/2"

233

16 x 20

15 ½ x 19 ½

13 1/8 x 17 ¼

1 1/4"

222

20 x 20

19 ¾ x 19 ¾

16 ½ x 17 ½

1 5/8"

298

20 x 24

19 ½ x 23

16 ¼ x 20

1 5/8"

335

24 x 24

23 ¾ x 23 ¾

19 ¼ x 20 ¾

1 3/4"

431


ROUND FLUE DIMENSIONS & APPROXIMATE EFFECTIVE FLUE AREA

Flue Size
I.D. Nominal

Outside Dimensions

(Approx. In.)

Inside

Dimensions

(Approx. In.)

Wall

Thickness

Effective
Flue Area
(Sq. In.)

6"

7 ¼"

6 ¼"

5/8"

23

7"

9"

7 ¼"


38

8"

9 ½"

8"

13/16"

50

9"

10 7/8"

9"

13/16"

64

10"

12 1/4"

10 1/4"

1"

79

12"

14 1/4"

12 1/8"

1 1/8"

113

15"

17 7/8"

14 3/4"

1 3/8"

177

18"

20 3/4"

17 1/4"

1 1/4”

255

21"

24 1/2"

21"

1 3/4"

346

24"

27"

24 1/8"

1 7/8"

452

27"

30 7/8"

27"

1 15/16"

573

30"

34 1/4"

30"

2 1/8"

707

33"

37 1/4"

33"

2 1/8"

855

36"

40 3/4"

36"

2 3/8"

1018