Making a Soil Blocker

Step 2 Cut out disks

Cut out 3 disks, each a bit smaller than the inside diameter of the pipe. Cut 1 first to check fit. Remember, the wood will swell a little when wet. It will swell even after sealing it. Don't make it too tight. The top disk can fit tightly in the pipe top. This piece won't move when installed. The plunger needs to fit loose just so that it can push the soil block out without too much effort.