What is smoke testing?
Smoke testing is a safe, quick way to find areas of the sewer system that need updating. The smoke used in the test has no odor, isn't harmful to your health, and will disappear in a few minutes.
The smoke should not enter your home if it is properly plumbed and if your sink and drain traps contain water.
How does the test work?
The test consists of blowing a harmless coloured vapour into the sanitary manholes and observing the points where the
smoke exits. The smoke is expected to exit from manholes, the sewer stack at the top of your house, catch basins and
downspouts.
What is the purpose of smoke testing?
The purpose of the testing is to find potential points of inflow and infiltration in the sanitary sewer system. Smoke testing can help locate improper connections to the systems and areas where unwanted water is entering the system.
What are the benefits of smoke testing?
Smoke testing is a simple and fast method of testing the sewer system. The vapour is harmless and will disappear after only a few minutes. The testing is also very cost effective.
Is the smoke harmful?
No. If the smoke enters your home, it may irritate your throat, cause mild irritation to your eyes and skin, but it is not harmful to your health and will not harm your clothing, drapes or furniture.
What should I do to prepare for a smoke test?
When you receive a notice that testing will take place, check to see that traps under basins, washing facilities and floor drains have water in them.
What does it mean when smoke enters my house?
If smoke enters your home during the test, it probably means there are deficiencies in the plumbing that may allow sewer gas to enter.
If you have any doubt to the source of the smoke, phone 9-1-1 immediately.
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