Rainstopper Field Notes

In the real world, manholes rarely match the drawings perfectly. Frames are off by a fraction. Covers have been replaced over time. Drop rings show up where no one expected them. Field crews are left figuring out how to make a standard product work in a non-standard...

At Rainstopper, our manhole inserts have always been made in the United States, not as a marketing slogan, but as a standard. From sourcing materials to fabrication and assembly, every step of our process has remained 100% American-based since day one. That...

At Rainstopper, patents are not about protecting ideas for their own sake. They exist to solve problems that show up in the field, day after day, manhole after manhole. Over the years, we have developed and secured multiple U.S. patents related to manhole inflow...