Homeowners need a reliable method to flash a roof-to-wall saddle connection to prevent recurring leaks after a garage addition.

The saddle flashing installed by the contractor did not prevent water intrusion, and the homeowners cannot find authoritative DIY guidance on proper flashing techniques for this specific junction.

Severity

3Medium

Willingness to Pay

none

Added

May 25, 2026

Workarounds Described

taking the siding off to inspect water damage
looking at forum posts for advice on flashing techniques

Implied Software Gaps

Interactive diagnostic tool for roof leak causes with visual matching
Curated, code-compliant flashing detail library for common roof-wall intersections

App Concept

FlashFix DIY

An interactive troubleshooting and repair guide app for common roof and flashing problems. Users input their roof configuration and leak symptoms, then receive step-by-step repair instructions with annotated diagrams, material lists, and video walkthroughs. Unlike static forums, FlashFix DIY offers verified, code-compliant solutions tailored to the exact roof geometry.

Key Features

Symptom-based leak analyzer matching user photos with known failure patterns
3D interactive diagrams of flashing details (saddle, step, counterflashing)
Step-by-step repair instructions with tool and material lists
User community with expert-verified solution ratings

Target Users: DIY homeowners (single-family, US) tackling roof leak repairs

Revenue Model: $9.99 per repair guide purchase or $4.99/mo subscription for unlimited access

Existing Solutions Mentioned

saddle flashingsoldered flashing

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