Unlike the vents shown above left the dryerjack affects airflow by less than 01 water column inches of pressure.
Roof dryer vent screen.
Before climbing up to the roof get behind the dryer to vacuum out the vent.
It s made of zinc coated galvanized steel for durability and reliability.
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.
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There should be clamps that connect the exhaust pipe of the dryer to the vent.
You can put the tube of the vacuum directly up the vent.
With the lack of good roof vent options prior to the introduction of the dryerjack many savvy contractors would simply remove the screen.
A better roof termination.
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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.
This vent features a heavy duty screen which helps protect against small animals from entering your home through the vent.
If the vent does not have this feature it should be replaced.
Dryerjacks are the first roof vents designed to meet the more stringent venting requirements of dryer exhaust systems.
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This vent is designed to be used on 4 in.
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.