I don't recall where I saw it, but there is a product (similar to door & window flash, but wider) that goes on the plywood, along with a primer. You would need to start the application down at the ... read more
Hello Alex,
We are one of the largest James Hardie Siding Elite Preferred contractors in Maryland and we have done numerous James Hardie installs. We have used this application before; it is called a ... read more