Chimneys Flashcards
1
Q
Are we required to inspect insert flue connections
A
No. Can not see this section.
2
Q
Can you install a satellite dish on a chimney
A
No. They are not supporting structures
3
Q
3 kinds of draft
A
Natural. (Atmospheric burner)
Induced draft fan. (Fan after heat exchanger= pulls exhaust out)
Forced draft fan. (Pulls combustion air in)
4
Q
What should adjacent flues in a masonry chimney have
A
A row of brick dividing them
5
Q
Lateral support required every
A
12 feet
6
Q
Describe a good chimney cap
A
- 4” thick
- Sloped
- Capillary break
- 2” projection
- Flexible sealant at joint with liner
- Flashing
7
Q
Describe walls of masonry fireplaces
A
2-4” thick firebricks set in refractory mortar
8
Q
What is required with a metal firebox
A
1/2 to 1” gap to allow for expansion
9
Q
Should a flue liner rest on a metal firebox
A
No. Allow for expamsion
