Dryer vent pipes properly called vent ducts come in a variety of materials.
What does a rooftop dryer vent look like.
Cord werner well you can vent out the roof which is becoming a more common practice.
A properly installed dryer vent.
A video showing the cleaning of a dryer vent exhausting through the roof.
Clothes dryers should be vented out the side of the house preferably at ground level as god intended.
It s always a good idea to inspect the termination port of the dryer duct along with the wall or roof cap.
Check for the proper exit velocity of the air escaping the vent and try to look and feel the interior walls of the duct.
Second during cold winters you ll be blowing warm moist air onto a cold surface the roof vent and roof plywood.
First you ll partially block your roof vent with the piping reducing the flow of cooling air through your attic.
If you re tempted to vent your exhaust fan through an existing roof vent or even vent it into the attic don t do it.
Birds tend to build their nests in these and they may become clogged by other means.
Some are flexible and others are rigid.
This can cause the dryer to work harder and take longer to dry the clothes resulting in breakdown of the dryer and higher electric bills.
As soon as i m in charge there will be no more venting of clothes dryers through the roof.
The less back pressure is created by the roof vent the more efficiently the system performs.
An improperly installed rooftop dryer vent vs.
A video showing the cleaning of a dryer vent exhausting through the roof.
If lint gets through the trap it can slowly clog the vent preventing the hot air and moisture from leaving the house.
Considering that back pressure higher than 6 wci is generally recognized as inefficient you can see that venting through the roof with non dryer specific vents is immediately problematic.