These screens do keep animals out of dryer vents most of the time however they are not safe.
New roof installers often leave screen on dryer vent.
Difficulty cleaning dryer vent.
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.
Dryer vents should always be vented through the side of the house and not vented through the roof and ideally the exit should be fairly close to the ground.
If you notice that it is taking longer than normal for your clothes to dry this should be done more often.
Do not use vinyl flexible vent at the dryer connection.
These are relatively new on the market.
Try to get long radius elbows made just for dryer vents.
Then i hooked up the blower to the wall vent.
These terminals need to be cleaned on a regular basis to prevent lint buildup.
Instead install a recessed box in the wall and use a semi rigid aluminum flexible vent connector.
Never install screen on the exit vent pipe blocks lint from escaping leading to hazardous buildup once a year clean have your vent pipes professionally cleaned.
Replace dryer vent on roof.
No screws may be used to secure the pipe joints.
I cleaned out the duct connecting the dryer to the wall and got out a small cat made of lint.
Keeping a clean dryer vent is much easier when you can safely reach the exit.
If you are looking for dryer vent cleaning in beavercreek ohio or surrounding areas please give us a call you will be glad you did.
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.