Slab part upturns combine vertical membrane strips became upward at perimeters preventing lateral inflows around troublesome
https://www.scribd.com/document/990443067/The-Ultimate-Guide-to-Sump-Pump-Installation-in-Omaha-203149
Slab edge upturns integrate vertical membrane strips turned upward at perimeters stopping lateral inflows round frustrating foundation geometries for the period of storms .