Watertight Box Culverts
Submitted by ed on Mon, 08/19/2013 - 11:54
In New England they are called "Tunnel Tanks" in other states "Box Culvert Style Tanks" Often used to store water, or as a large commercial septic tank. They cannot leak.
How to get watertight joints
Submitted by ed on Sun, 08/18/2013 - 16:12
Butyl Gaskets by ConSeal are the most forgiving and easiest to work with. Choose the right size and put it where it will do the most good