Why floor seepage happens
When water accumulates around or below a foundation, pressure can force moisture toward joints, cracks, and other weak points. This is commonly discussed in terms of hydrostatic pressure.
Drainage is often central
A perimeter drain can collect water while a sump pump provides a discharge path. The correct arrangement depends on the actual source and volume of water.
Do not assume every puddle has the same cause
Plumbing leaks, appliance leaks, condensation, and surface drainage can also create basement water. Waterproofing decisions should begin with diagnosis.