Clothes Dryer Vent Safety & Installation Tips
Clothes Dryer Vent Safety.
The minimum-allowed clothes dryer exhaust vent piping diameter for all installations is 4″.
Plastic Flex Duct is a flexible dryer vent duct with a spring wire covered with plastic.
I’ve seen this material used in older homes as “dryer vent ducting”. Plastic should not be used!
There’s a variety of materials that I’ve observed that are bad or even be a safety concern in your home.