Roof Jacks


Sizing Chart

Check diameter of pipe. Select the appropriate Roofjack for pipe or duct diameter. For extreme pitch or surface irregularity select next larger size.

  Designate Pipe Size Compound Part No. Flashing Details

#1

1/4"-2"
6 mm a 50 mm
    FLashing
A-Top opening diameter closed
B-Cut to suit pipe size 1/4"-2"
C-Base dimensions 4-1/2"

#2

1-1/4"-3"
32 mm a 76 mm
    FLashing
A-Top opening diameter 7/8"
B-Cut to suit pipe size 1-1/4"-3"
C-Base dimensions 6"

#3

1/4" - 4"
6 mm a 102 mm
    FLashing
A-Top opening diameter closed
B-Cut to suit pipe size 1/4"-4"
C-Base dimensions 8"

#4

3" - 6"
76 mm a 152 mm
    FLashing
A-Top opening diameter 2-1/2"
B-Cut to suit pipe size 3"-6"
C-Base dimensions 10"

#5

4" - 7"
102 mm a 178 mm
    FLashing
A-Top opening diameter 3-1/2"
B-Cut to suit pipe size 4"-7"
C-Base dimensions 11"

#6

5" - 9"
127 mm a 228 mm
    FLashing
A-Top opening diameter 4"
B-Cut to suit pipe size 5"-9"
C-Base dimensions 12"

#7

6" - 11"
152 mm a 280 mm
    FLashing
A-Top opening diameter 5"
B-Cut to suit pipe size 6"-11"
C-Base dimensions 14"

#8

7" - 13"
178 mm a 330 mm
    FLashing
A-Top opening diameter 6"
B-Cut to suit pipe size 7"-13"
C-Base dimensions 17"

#9

10" - 18"
254 mm a 467 mm
    FLashing
A-Top opening diameter 8 1/2"
B-Cut to suit pipe size 10"-18"
C-Base dimensions 25"

#10

13" - 26"
330 mm a 660 mm
    FLashing
A-Top opening diameter 11
B-Cut to suit pipe size 13"-26"
C-Base dimensions 34"
 
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