re: spiders

This is the best stuff I’ve every used ,it says it’s fine for indoor and out door use.
I sprayed the roof cover on the front of my house two years ago and there still are not spiders on it. Before using it we would clean off the spiders and they would be back the next day.

http://www.amazon.com/gp/product/B003IMO3I2?psc=1&redirect=true&ref_=oh_aui_detailpage_o03_s00