It naturally wanted to stick out some and I actually used the screws to ensure the spacing all around. After caulking and getting some behind the housing, I tightened the screws, finished smoothing with my finger and let dry overnight. When I removed the screws the following day, the housing was permanently affixed to the wall. I then caulked each screw hole, installed the lens cover, installed screws with O-rings and caulked the lens cover. I really can't see how this will leak going forward. Hope this helps..
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