Drip edge extends insufficiently into gutters, causing water leakage behind gutters due to failing sealant.

Sealant fails over time, and replacing drip edge requires lifting shingles which risks breaking them.

Severity

3Medium

Willingness to Pay

implied

Added

May 8, 2026

Workarounds Described

using sealant to fill gap
considering gutter aprons between shingles and drip edge

Implied Software Gaps

none; physical product solution

App Concept

GutterShim Pro

A flexible aluminum shim that slides between shingles and existing drip edge to extend water diversion into gutters. Pre-cut notches for spike-and-ferrule gutters eliminate need for nailing, and it accommodates shingle lift without breakage.

Key Features

Slides under shingles without lifting them
Pre-cut notches for gutter spike and ferrule systems
Corrosion-resistant aluminum with sealant strip
Custom lengths and color options

Target Users: Homeowners and roofers dealing with insufficient drip edge extension on existing roofs with asphalt shingles.

Revenue Model: $15-25 per 10-foot piece via home improvement retailers and online

Existing Solutions Mentioned

sealant

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