When dealing with old style systems like pipe and stone and some other interior drain solutions approximately 85% or more of the reasons that they fail is because of corners not being continuous.

Grate Products LLC™ solves this issue by maintaining fluidity through-out the system. By just extending the drain in a natural 90° curve we created what is called a GrateDrain™ Corner Port. This allows the water to continue to flow rapidly through the drain without loosing momentum due...