Dryerjacks are the first roof vents designed to meet the more stringent venting requirements of dryer exhaust systems.
Roof dryer vent screen.
Before climbing up to the roof get behind the dryer to vacuum out the vent.
Unlike the vents shown above left the dryerjack affects airflow by less than 01 water column inches of pressure.
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Your dryer vent behind the screen should have a louvered flap that swings open when the airflow from the dryer opens it and then falls back into the closed position when the airflow ceases.
This vent is designed to be used on 4 in.
The black finish helps this vent blend into your home s rooftop.
A better roof termination.
While screens are regularly included in most other vent caps to protect against pest intrusion the lint that dryer exhaust carries with it creates lint buildup that other exhaust systems don t face.
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If the vent does not have this feature it should be replaced.
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With the lack of good roof vent options prior to the introduction of the dryerjack many savvy contractors would simply remove the screen.
It s made of zinc coated galvanized steel for durability and reliability.
So there you have it a little insight on roof top dryer vent caps and whether or not you should have a screen in them or not.
If your dryer vent does get pest nest in it i would recommend a large cage to install over the entire vent cap with larger holes for the lint to pass through.
You can put the tube of the vacuum directly up the vent.