Homeowner or plumber needs to connect a shower, floor drain, and toilet to existing pipes under a concrete slab without breaking up more concrete.

No readily available guidance or tool to determine the optimal pipe configuration for connecting multiple fixtures to existing underslab plumbing without extensive concrete removal.

Severity

4High

Willingness to Pay

implied

Added

May 8, 2026

Workarounds Described

Asking on Reddit for plumbing advice on how to connect fixtures

Implied Software Gaps

App that provides code-compliant DWV pipe layout suggestions based on existing pipe configuration and desired fixtures

App Concept

PipePlanner Pro

A mobile app that helps homeowners and plumbers design drain-waste-vent connections to existing underslab pipes. Users input existing pipe sizes and configurations, desired fixtures, and get code-compliant layouts with minimal concrete breakage. It uses augmented reality to visualize pipe routing and provides step-by-step instructions.

Key Features

Input existing pipe sizes, depths, and fittings (wyes, tees, etc.)
Select desired fixtures (shower, toilet, floor drain) and distances
Generate optimized DWV layouts with minimal concrete cutting
AR overlay to visualize pipe runs on-site
Provide code-compliant fitting suggestions and venting options

Target Users: DIY homeowners and professional plumbers working on basement bathroom or utility room additions in homes under renovation.

Revenue Model: $9.99 per download or $4.99 monthly subscription for pro features (AR, code library)

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