About 6 years ago we hired contractors to build a screen porch to connect our house and (formerly) detached garage. Now I've found that they rested some of the wood directly on the brick & concrete step landing at the door. Unsurprisingly, this has led to rot.
You can see from the pictures that I've removed the horizontal board that was in most contact, it was in bad shape. The interior plywood is mostly offset just off the concrete so is mostly OK. The vertical tongue and groove siding also has a couple inches of rot on either side, so I will probably cut it all even with the height of the removed board and replace with one long piece that runs the length of the landing.
My main question is: how do I protect the new wood from having the same problem? It's going to have to rest on the concrete again. Can I just attach some copper flashing to the bottom of the board? Should I caulk the edge where the board meets the concrete?
Thanks in advance for any expertise you have. I've just found these forums and happy to be here. Hopefully I've picked the right subforum for this post.
Erik
You can see from the pictures that I've removed the horizontal board that was in most contact, it was in bad shape. The interior plywood is mostly offset just off the concrete so is mostly OK. The vertical tongue and groove siding also has a couple inches of rot on either side, so I will probably cut it all even with the height of the removed board and replace with one long piece that runs the length of the landing.
My main question is: how do I protect the new wood from having the same problem? It's going to have to rest on the concrete again. Can I just attach some copper flashing to the bottom of the board? Should I caulk the edge where the board meets the concrete?
Thanks in advance for any expertise you have. I've just found these forums and happy to be here. Hopefully I've picked the right subforum for this post.
Erik