Plumber needs to relocate a shower drain in a mobile home but is constrained by a metal beam and joists, preventing proper pipe routing and vent installation.

No purpose-built software exists that guides plumbers through complex drain rerouting in constrained spaces like mobile home metal beams and joists, forcing reliance on manual problem-solving and forum advice.

Severity

4High

Willingness to Pay

implied

Added

Jun 24, 2026

Workarounds Described

asks forum for advice on cutting pipe through joists
relies on manual measurement and trial-and-error

Implied Software Gaps

interactive drain routing design that accounts for mobile home metal beams and joists
code-compliant venting suggestions for tight wall cavities

App Concept

DrainRite Planner

DrainRite Planner is a mobile app that helps plumbers design drain and vent routing in tight spaces, especially mobile homes. It uses 3D modeling of joists, beams, and walls to suggest optimal pipe paths and fittings, reducing guesswork and rework. Unlike static code books or forum advice, it provides interactive step-by-step guidance for complex retrofits.

Key Features

Mobile home-specific structural library (metal beams, 2x8 joists)
Drag-and-drop pipe routing with automatic code compliance checks
3D visualization of drain slope and vent alignment
Step-by-step installation instructions with tool and part lists

Target Users: Solo plumbers and small plumbing contractors doing residential retrofits, especially in mobile homes

Revenue Model: $19.99/month subscription or $99 one-time pro fee for advanced structural models

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