Tweetdont let wildlife live in your attic or dormers this guy had bats and there poop and urin over a 3 year period caused the worst barn flie infestation i have ever seen we had to tear down the wall clean and sanatize it then put the wall back he was sweeping up 3 lbs of flies per week it was badi gave him a breakon the price he is a freind anyother company would have been about 14k because of the bat poo its a bio hazard