Module 6: Healthy Housing Flashcards
What are the criterias of a healthy home^
- reduction of exposure to chemicals
- mitigation of mold and rot
- location of areas of high toxicity and combustible materials
When does combustion spillage happen?
It occurs when combustion gasses escape into the living space of a home instead of going up the chimney.
How can combustion spillage be confirmed?
Using a depressurization test using a blower door apparatus.
Describe the Depressurization (Blower Door) test?
all combustion appliances and exhaust devices are turned off and the blower door fan turned on. one by one they are turned on and the gauge on the blower is checked. if the gauge goes past a prescribed limit of depressurization that means theres combustion spillage
what two things that have to be present in order for radon to be a concern in a house?
- a source that contains uranium
2. has to be a pressure difference between the soil and the interior of the foundation
explain active soil depressurization (ASD)?
a hole is drilled in the basement floor, a pipe installed and a fan pulls the radon from under the house