On Thursday, January 17, 2013 3:20:37 PM UTC, Jonathan wrote:
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 think you'll need pumps as well. Ideally a sump with a float switch and pump running off a battery backed-up supply.

Round here (Cambridge) they put the water-tight gates in the boundary walls but then they have to make sure the water does not come in via the rainwater drains.



Robert