Need to find the best method and materials to permanently cap off a waste water pipe of an odd size.

Uncertainty about which method (keep trap vs. cut beyond, compression vs. glue) is standard or best for a permanent cap, especially for a non-standard pipe size.

Severity

2Mild

Willingness to Pay

none

Added

May 21, 2026

App Concept

PipeCap Pro

PipeCap Pro is a mobile app that helps DIYers and plumbers identify the correct capping method and materials for any pipe size and type. Simply measure the pipe diameter and material, and the app recommends the best cap type (compression, glue, threaded) and installation steps, including whether to keep or remove traps. It includes a database of standard and odd pipe sizes with local supplier links.

Key Features

Pipe measurement guide with visual ruler overlay
Database of standard and odd pipe sizes (metric/imperial)
Step-by-step installation instructions with diagrams
Local supplier lookup for caps and fittings

Target Users: DIY homeowners and apprentice plumbers in residential plumbing who encounter non-standard pipe sizes.

Revenue Model: Freemium with $2.99 per pipe spec unlock or $4.99/month subscription for unlimited use.

Existing Solutions Mentioned

compression fittingglue cap

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