A plumber needs to relocate water lines under a concrete slab for a new freestanding tub but is unsure of the best material and method to use.

No clear best practice or decision support for choosing between CPVC and PEX-A for under-slab relocation, including whether to use elbows or bends and how to protect PEX under slab.

Severity

3Medium

Willingness to Pay

implied

Added

Jun 18, 2026

Implied Software Gaps

An app that provides material and routing recommendations for under-slab plumbing relocations based on project specifics

App Concept

UnderSlab Pro

An interactive decision support tool for plumbers that recommends the optimal material and installation method for relocating water lines under concrete slabs. It provides step-by-step guidance based on slab depth, distance, and fixture type, including protection requirements for PEX.

Key Features

Input slab depth, horizontal distance, and fixture type to get material recommendation
Visual diagram showing recommended pipe routing (bend vs elbow, CPVC vs PEX)
Code compliance checker for under-slab installations
Material and tool list generated automatically

Target Users: Plumbers and plumbing contractors performing under-slab water line relocations in residential and light commercial settings

Revenue Model: $19.99 per month subscription or $4.99 per recommendation

Existing Solutions Mentioned

CPVCPEX-A

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