Finding a roof drain that fits a 2-inch gap from the parapet wall.

Standard disk drains require more space from the wall and trimming with a grinder is not effective.

Opp. Score

Severity

3Medium

Willingness to Pay

implied

Added

May 20, 2026

Workarounds Described

trims disk drain with grinder to fit

Implied Software Gaps

Product search tool that filters roof drains by minimum wall clearance

App Concept

WallFit Drain Selector

An online product database and configurator for roof drains that allows users to filter by clearance from parapet walls. It recommends compatible drains and provides installation guides, eliminating the need for grinding or custom fabrication.

Key Features

Filter by distance from wall (e.g., 2 inches)
Compatibility check with standard roof membranes
3D visualization and installation instructions
Direct purchase links or supplier contact

Target Users: Roofing contractors and construction professionals working on commercial or residential buildings with tight parapet clearances.

Revenue Model: Freemium with $49/mo pro tier for advanced filters, supplier pricing, and project saving

Existing Solutions Mentioned

disk drain

Part of App Idea

Finding a roof drain that fits a 2-inch gap from the parapet wall.

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