Roof Curbs for Flat Roofs
Pre-fabricated roof curbs for fast installation that are leak proof!
All Aluminum Construction
Aluminum construction means that this material will neither deteriorate nor rust. The aluminum is .025" thick for roof vent sizes 4" to 8", .040” thick for roof vent sizes 10 to 30". Sizes 36" to 48" have .063” thick aluminum.

Durable to 200 mph
AVP designs its curbs to perform to the capacity of the Aura Ventilator and Pop Vent which were tested up to 200 mph

Self Flashing Roof Curb
The top of the curb has a 1” lip to support the roof vent above and the base has a 3” lip for fastening to the roof deck below

As of January 1, 2012

Roof Curb Data Sheet
 (Measurements in inches and pounds)
Diameter
of either
AV / PV
Opening
(A) 

Inside
Diameter
(B)

Flange
Width
(C)
Height 
(D)
Weight 

4

9

11

17

12

4

6

9

11

17

12

4

8

9

11

17

12

4

10

11

13

19

12

6

12

13

15

21

12

9

14

15

17

23

12

12

16

17

19

25

12

15

18

19

21

27

12

18

20

21

23

29

12

22

24

25

27

33

12

25

30

31

33

39

12

30

36

37

39

45

12

40

42

43

45

51

12

50

48

49

51

57

12

60