Leaks appear under a planter or podium after irrigation or rainfall.
Use the site evidence to agree a project-specific method with the responsible engineer, concrete producer, manufacturer or specialist applicator.
Leaks appear under a planter or podium after irrigation or rainfall.
Map planter zones, outlets, root barrier, protection layers and movement joints.
Persistent wet soil and blocked drains expose any membrane defects for long periods.
Specify waterproofing, root resistance where needed, drainage and protective layers as a coordinated system.
Test membrane before soil placement; document drain and outlet details.
Verify drainage and containment before landscaping; retain access to outlets.
Avoid puncturing a tested membrane with later irrigation and landscape works.
References inform the topic; they do not endorse a specific product for this project.