A gap opened between the tub drain pipe and the floor pipe in an old NYC co-op bathroom, and the owner needs a repair solution that avoids removing the tub and chipping out concrete.

No commercial solution exists to seal a pipe gap in an inaccessible space without demolition; plumber's putty is temporary and not meant for this use.

Severity

4High

Willingness to Pay

implied

Added

Jun 3, 2026

Workarounds Described

sealed with plumbers putty as short-term fix

App Concept

PipeGap Seal

PipeGap Seal is a specialized repair kit designed to seal gaps between stationary drain pipes in tight, hard-to-reach spaces without demolition. It uses a flexible, expanding epoxy that bonds to various materials and cures to a watertight seal, saving thousands in renovation costs.

Key Features

Expanding epoxy that fills gaps up to 1 inch
Bonds to metal, PVC, concrete, and tile
Cures underwater for wet pipe applications
Includes applicator tip for tight spaces

Target Users: DIY homeowners and plumbers dealing with inaccessible pipe gaps in old buildings, especially multi-story apartments

Revenue Model: $19.99 per kit, with a $39.99 pro kit including larger epoxy tubes and tools

Existing Solutions Mentioned

plumber's putty

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