Wondercap RetroFit Kit is a high-durability polymer waterproofing component designed for retrofitting existing floor penetrations in commercial and residential renovations. This system creates a tool-free watertight seal and immediate sewer gas barrier, eliminating the need for invasive slab excavation or costly pipe replacements.

Engineered for professional workflows, it ensures membrane adhesion integrity and prevents debris ingress in critical wet area penetrations including commercial kitchens and public washrooms.