Standard roofing underlayment layering method leaves drip edge exposed to rot because ice and water shield is placed over drip edge, not under it.

Current standard practice places ice and water shield over drip edge, which leaves the drip edge vulnerable to rot; no widely accepted alternative layering sequence exists.

Severity

3Medium

Willingness to Pay

implied

Added

Jun 24, 2026

App Concept

EdgeGuard Layering Guide

A mobile app providing animated, code-compliant roofing layering sequences for ice and water shield, drip edge, and underlayment. It helps roofers visualize and adopt the best layering order to prevent rot and water damage.

Key Features

Animated step-by-step layering diagrams for different roof types
Code compliance references by region
Material list generator based on roof dimensions
Shareable installation guide for crews

Target Users: Residential and commercial roofers in the roofing industry, especially those installing ice and water shield and drip edge.

Revenue Model: $4.99 one-time purchase per guide, or $9.99/mo subscription for unlimited guides and updates

Existing Solutions Mentioned

ice and water shielddrip edgepaper (roofing felt)

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