Homeowner needs guidance on best practices for rebuilding a low-slope roof under a deck, specifically whether to use tapered insulation or sleepers, and whether to remove or retain an existing EPDM membrane that may hide deterioration.

Existing roofing advice is generic; no purpose-built tool provides step-by-step decision support for complex roof assembly rebuilds with multiple layers.

Severity

3Medium

Willingness to Pay

implied

Added

Jun 4, 2026

Workarounds Described

posts question to Reddit r/Roofing asking for advice
plans to rely on a pro for EPDM installation after doing prep work himself

Implied Software Gaps

Interactive roof assembly decision tool that provides code-compliant guidance
Project management app that tracks inspection, removal, and rebuild phases with expert recommendations

App Concept

RoofRebuild Pro

A mobile-first decision guide and project management app for homeowners tackling complex roof repairs. It asks about roof type, slope, existing layers, and desired outcome, then generates a customized rebuild plan with material recommendations and contractor matching. Unlike generic DIY forums, it provides code-compliant, expert-vetted steps with visual aids.

Key Features

Interactive decision tree for roof assembly (tapered insulation vs sleepers, membrane retention)
Material calculator with local supplier pricing
Step-by-step rebuild checklist with photos and code references
Contractor matching with EPDM and low-slope specialists

Target Users: Homeowners in North America tackling low-slope or flat roof repairs on decks, porches, or additions (single-family residential)

Revenue Model: Freemium with $12.99 per project plan or $4.99/month subscription for unlimited projects

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