A roofer is confused about the correct installation method for headwall/apron flashing, specifically whether shingles go on top of or under the base flashing, and whether counter flashing should cover both, risking leaks.

No centralized, authoritative resource exists that provides clear, step-by-step, visually confirmed instruction for proper headwall flashing installation, leaving roofers to rely on conflicting online images and forum advice.

Severity

3Medium

Willingness to Pay

implied

Added

Apr 24, 2026

App Concept

FlashCorrect Pro

An interactive guide and decision-support app for roofers that provides clear, code-compliant, climate-specific installation steps for complex flashing details. It uses 3D diagrams and quizzes to resolve common ambiguities, reducing callbacks and leak risks.

Key Features

Step-by-step animated 3D diagrams for headwall, apron, counter flashing, and other details
Climate and code selector to tailor guidance to local building codes and weather conditions
Nail pattern and sealant recommendation engine to prevent leaks
Built-in photo upload for remote expert verification of installations

Target Users: Residential and commercial roofers, construction foremen, and building inspectors in the US looking to reduce leak callbacks

Revenue Model: $14.99/month subscription with free limited preview tier

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