ConstructionRepair and Maintenance Decisions3MediumOwner$ implied

Uncertainty about the correct LVL beam size for a 19-foot garage roof span to support a deck and snow loads.

AI and contractor give conflicting recommendations; there is no trusted, accessible tool that provides definitive engineering guidance for residential builders.

42
0
Opp. Score
42
Severity
3Medium
Willingness to Pay
implied
Added
May 1, 2026

Workarounds Described

  • asks contractor for advice
  • uses AI for recommendation

Implied Software Gaps

  • Provide reliable LVL sizing based on span, load, and code; accessible to non-engineers
App Concept

SpanCalc Pro

A mobile-first tool that lets builders input span, load, and beam type to get code-compliant sizing recommendations instantly. It bridges the gap between complex engineering software and rule-of-thumb advice.

Key Features
  • Simple input for span, load, and beam material
  • Output with recommended size, spacing, and grade
  • References relevant building codes
  • Option to generate a PDF report for permits
Target Users: DIY homeowners and small contractors in residential construction
Revenue Model: Freemium with $9.99 per report or $29.99/mo unlimited subscription

Existing Solutions Mentioned

AIcontractor's advice

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