window head flashing should be a folded up dam on the end. bending down encourages water to run off the end of the flash and run down the joint. end dams are mandatory in my area. the improvement is significant.
@futurepilot67493 жыл бұрын
7 years ago
@southfloridasiding84756 жыл бұрын
This isn't correct the nails should be 3/4 of an inch from the top of the board when blind nailing