During recent flooding, the threshold for our basement door trapped about 1.5" inches of water in the basement. In an attempt to get it out the threshold was forcibly removed, and now with hurricane season it'd be nice to have it back.
The problems are two-fold:
The threshold was nailed into the door frame before the frame was installed in the basement opening. So the nails go from the outside (i.e. their heads are against cement). I might be able to yank the nails, heads and all, through the door framing, but is there a better solution?
What is a good way to ensure a nice tight replacement fit? Adding a sealable weep hole under the threshold might help water drain in a future flood, but I want it weather tight other than that hole, both where it butts against the frame and against the floor.
Assume zero budget but a decent array of tools.