This topic contains a solution. Click here to go to the answer

Author Question: Describe how sheet metal ductwork is sealed. What will be an ideal ... (Read 49 times)

jerry coleman

  • Hero Member
  • *****
  • Posts: 570
Describe how sheet metal ductwork is sealed.
 
  What will be an ideal response?

Question 2

List the materials commonly used to construct duct systems.
 
  What will be an ideal response?



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

braelync

  • Sr. Member
  • ****
  • Posts: 350
Answer to Question 1

Mastic is the main sealer. UL rated duct tape is sometimes used in addition for larger holes.

Answer to Question 2

Sheet metal, fiber ductboard, and flexible duct



jerry coleman

  • Hero Member
  • *****
  • Posts: 570

braelync

  • Sr. Member
  • ****
  • Posts: 350

 

Did you know?

Only 12 hours after an egg cell is fertilized by a sperm cell, the egg cell starts to divide. As it continues to divide, it moves along the fallopian tube toward the uterus at about 1 inch per day.

Did you know?

Dogs have been used in studies to detect various cancers in human subjects. They have been trained to sniff breath samples from humans that were collected by having them breathe into special tubes. These people included 55 lung cancer patients, 31 breast cancer patients, and 83 cancer-free patients. The dogs detected 54 of the 55 lung cancer patients as having cancer, detected 28 of the 31 breast cancer patients, and gave only three false-positive results (detecting cancer in people who didn't have it).

Did you know?

About 100 new prescription or over-the-counter drugs come into the U.S. market every year.

Did you know?

Human neurons are so small that they require a microscope in order to be seen. However, some neurons can be up to 3 feet long, such as those that extend from the spinal cord to the toes.

Did you know?

More than nineteen million Americans carry the factor V gene that causes blood clots, pulmonary embolism, and heart disease.

For a complete list of videos, visit our video library