Poured cement on top of the rocks, then I put more pebbles on top of the cement base.
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Before I inserted the post I wrapped the base with 3 layers of Frogtape pro-grade flashing tape to protect from moisture and to add some padding, these cedar posts are deceptively machined thinner than a standard pine 4x4 so there was a bit of play that I had to counteract. Therefore I also broke off a piece of a wooden paint stir-stick and sanded it into a wedge that I hammered into the space between the back of the post and the brace to stiffen the fitment.
After that I fastened the post to the brace with stainless steel machine screws.
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Applied the front numbers and some 3M diamond grade reflective tape for school buses on the back lateral spot of the vertical beam.
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But then I noticed the post was meant to be buried, not set on a post, and it was standing too tall at 6’2”, way beyond municipal regulations.
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It also felt a bit wiggly in part because of so much leverage and figured I should have used 2 bags of cement.
So I had to unscrew it, saw off about 7 inches, re-prime, re-paint, and re-seal the bare wood on the freshly cut bottom (as well as feather it all in.)
On top of that re-seal with flashing tape.
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View attachment 1120498
I took out the top pebble layer and poured another bag of cement to reinforce the base, added the final top layer of drainage rocks.
Finally I applied the vinyl numbers on the front, another set of reflective tape on the front side of the arm, and sprayed a ceramic wax coating on the post and mailbox that I polished them with to add a sacrificial layer that prevents staining and adds further protection from the elements. Set some black rocks around the base as the final detail.
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View attachment 1120494