I want to try to make some flood gates for our doors and they are very expensive to buy. I want to use some sort of fixing that I can screw into the wooden door frames permanently. These would have a thread in the centre that I could use to bolt through, I imagine, external plywood to create a tight fit as needed.
I have never seen anything like that, apart from rawlbolts which are not designed for wood so far as I know. Does anyone know of such a thing, or have a better suggestion? Many thanks.
Regards
Jonathan