Negative-Side vs Positive-Side Basements

Positive-side waterproofing stops water before it enters the structure. Negative-side stops it after. Which one you need depends on access, ground conditions, and whether the building is already up.

Negative-Side vs Positive-Side Basements — practical guidance from the team running waterproofing work on the Garden Route. If you’re dealing with basement waterproofing methods, this is how we think about it and how we actually run the job.