The garage door screen is a complete necessity, especially if your W/D are in the garage such as ours. The cost is not that much, for our 12' CYV door it was $850 installed in 2012.
The first year we didn't have the screen, we just left the door open. Then a neighbor found a rattlesnake in his garage, and gators have been seen on the streets just outside our villas, my next step was having the screen installed.
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