ConstructionPlumbing4HighHomeowner$ implied
A homeowner is struggling to route PEX tubing through a tight floor joist cavity for a new shower without compromising structural integrity or causing future failure.
No easy off-the-shelf solution exists for concealing PEX in tight joist spaces without notching or using numerous fittings, leading to amateur-looking and potentially unsafe installations.
52
0
Opp. Score
52
Severity
4High
Willingness to Pay
implied
Added
Jun 20, 2026
Workarounds Described
- drilled 1-inch holes through double 2x8 joists for PEX
- used 3 ninety-degree fittings to route pipe around obstacles
Implied Software Gaps
- Structural-aware PEX routing design tool that provides safe, code-compliant path recommendations for tight joist spaces without notching
App Concept
PEXPath Pro
PEXPath Pro is a mobile app that uses augmented reality and engineering guidelines to help homeowners and DIYers design optimal PEX routing in tight spaces, such as floor joists. It suggests minimum hole sizes, safe distances from edges, and alternative routes to avoid structural damage. The app provides step-by-step instructions and a materials list, reducing guesswork and preventing costly mistakes.
Key Features
- AR-based joist scanning to map hidden obstacles
- Automatic route generation with structural compliance checks
- BOM and tool list for the recommended path
- Step-by-step video guides for drilling and fitting
Target Users: DIY homeowners and apprentice plumbers working on residential bathroom or kitchen renovations with limited access to structural guidance.
Revenue Model: $9.99 one-time purchase per project, with optional $4.99 monthly subscription for unlimited projects and expert chat support.
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