Conical Cap Questions

Question 1

What type of layout is a round roof jack?

Answer 1

Radial line

Question 2

What seam is most commonly used to join the body to the plate on a roof jack?

Answer 2

Hammerlock or elbow seam

Question 3

Rectangular or polygonal are normally seam where?

Answer 3

The corners

Question 4

On a round sloping roof jack where is the seam located?

Answer 4

Dry side or on downward side

Question 5

How much of the seam should be sealed on the cone of a roof jack?

Answer 5

2/3

Question 6

When caulking the roof jack what angle what angle should the plastic tube be cut at?

Answer 6

45 degree

Question 7

What view is required to make a round roof jack?

Answer 7

Side view
Elevation view

Question 8

What is the formula for the cap diameter of the conical cap?

Answer 8

2 x the pipe diameter

Question 9

What is the formula for the spacing between the conical cap and the pipe?

Answer 9

1/2 the pipe diameter

Question 10

What is the formula to get the conical cap peek?

Answer 10

1/2 the pipe diameter

Question 11

What is the conical cut out Formula?

Answer 11

6.28 x ( slope - radius )

Question 12

What are 3 shapes of a roof jack body?

Answer 12

Cylindrical
Polygonal
Conical