Here is a photo of a dryer vent showing why they're not supposed to be screened. I've heard of saving your pocket change for a rainy day, but saving the pocket lint? This was someone's idea to keep out the birds; it took quite a bit of work to make it this nice. Russ Augustine
Augustine Home Inspections
Russ Augustine & Assoc. Inc.
Schaumburg, Ill.courtesy of the ASHI Reporter