I'm looking to install this Brickmould with J-Channel when I reside my garage.
I've looked at a number of manufacturer install guides and they either skip over brickmoulding or do not address this particular version of brickmould with j-channel. I've also made many Google searches and have come up empty handed there too. All standard brickmould installation.
Many of the videos, tutorials, and installation instructions are like the video that Kris has linked to in the comments. It shows standard brickmould without the built-in J-Channel. I'm starting to assume that you treat it like normal brickmould due to the lack of installation instructions for this particular type of brickmould.
How should I flash the door with this type of brickmould? Flash rough opening with flex for the sill, flashing tap on the sides and header. Then nail the brickmould with j-channel on top? Maybe flash the nailing flang of the brickmould after doing so?
