Plumbrook — 48313
Full interior perimeter drainage, sealed sump, 2,500 GPH battery backup, 40+ bleeder holes through block walls
$10,200 over 3 days in a 1,300 sq ft 1977 ranch. Homeowner watched the bleeder holes drain water from the block cores during install — pure groundwater they hadn't realized was trapped. Dry through 6 storms since.