Perform this test when the house is empty.
Attic ventilation smoke test.
Find hidden air leaks by conducting a simple diy smoke test.
Lastly light a smoke stick and hold it close to the suspected leakage.
Turn off all combustion appliances such as gas burning furnaces and water heaters on a cool very windy day.
Before you start ensure your attic air fan and hvac equipment are powered off.
With a smoke bomb you can do your own residential sewer smoke test to find exactly where the leak is coming from.
Secondly close all the windows and doors in your home.
You can test the quality of air flow in your home by conducting what is known as a smoke test.
If you smell sewer gas in your home you need to find the leak right away.
You can also get a professional roofing service to come in and examine your home with infrared cameras.
Here s a simple smoke test procedure.
Smoke generators of a variety of types have a wide range of diagnostic uses including finding building air flow studies air leaks or heat loss points hvac duct air leaks heat exchanger leaks testing for air movement around ventilation hoods checking for indoor air ventilation in office or test lab spaces operation of exhaust fans even leaks in drainage and drain piping systems.
It involves a few simple steps to locate air leaks in the attic and to determine the amount of existing ventilation.
Sniffing around the sewer pipes can show you the approximate area of the leak but it s important to pinpoint the faulty area.
You simply add up the nfas of all your vents and divide that number by the area of the attic to determine whether you re within the 1 150 ratio.
This is done by turning on all fans and vents and using incense smoke talcum powder or baby power to find potential leak sites.
