Yesterday we got a pallet of 70 sheets of "master rib" siding, the same stuff as on my workshop. We are replacing the vynil siding on the house as it has become brittle and has cracked in a few places.

When we originally installed the vynil we put a J channel at the bottom and caulked it down to the concrete porch surface. Although it is holding the j channel very nicely, it is not a 100% continuous bead of caulk. When we get a blowing rain it hits the siding and runs down and into the basement every once in a while.

I've decided to use a diamond saw to cut a 1/8" wide groove about 1/2" deep about 1inch from the wall into the concrete. We'll shoot a bead of caulk in there and set some Z flashing down into the groove. Once the caulk sets up, I'll finally have a continuous water repelling wall around the house.

We will then set the corrugated metal panel on top of the Z fashing and affix to the wall. Water hitting the panel will run down and around that z flashing.

I did a small section today as a test and a 4" diamond wheel on my battery grinder cuts like butter. I'll post pictures tomorrow. I've got to make a guide for the grinder. Looks like the hardest part is going to be cleaning up all the old caulk.