Homeowner needs a compliant structural repair for a deeply notched floor joist caused by a bad contractor, with limited access to the top of the joist.

Existing repair solutions like steel braces may not accommodate the deep notch and limited top access, and the homeowner lacks clarity on which method will pass inspection.

Severity

4High

Willingness to Pay

implied

Added

May 23, 2026

Workarounds Described

asking on Reddit for advice
considering dropping pipe and using steel braces

Implied Software Gaps

Mobile app that provides code-compliant structural repair guidance based on photo analysis

App Concept

JoistFix Pro

JoistFix Pro is a mobile app that guides homeowners and contractors through structural joist repairs by analyzing photos of damage, recommending inspection-compliant repair methods (sistering, steel braces, engineered brackets), and connecting users with local structural engineers or approved contractors. It replaces guesswork and DIY forums with expert-backed, code-compliant solutions.

Key Features

AI photo analysis to assess notch depth and joist condition
Step-by-step repair recommendations based on building codes
Direct booking with licensed structural engineers
Material and tool calculator for repair projects

Target Users: Homeowners and DIYers managing structural repairs on residential properties, and contractors seeking code-compliant repair guidance.

Revenue Model: $9.99 per repair guide or $19.99/mo subscription with unlimited consultations and engineer referrals

Existing Solutions Mentioned

steel braces

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