On Fri, 14 Feb 2014 13:15:47 -0800 (PST), Greg Rodenhiser
wrote:


OP - check the exterior door trim casing and see if caulk has been

applied where the trim meets the exterior wall, has dried out, pulled

/ cracked away? Let us know.

Not sure if it makes a difference but exterior siding is all vinyl..

The difference is if the rough opening was properly wrapped with
"moist wrap" barrier, before the door was installed.

This is an example of a window. Concept is the same practice.

http://www.albertsroofing.com/HagertyJob%20(24).JPG