PlumbingInstallation & Assembly4HighHomeowner$ implied
Homeowner faces a corroded, missing toilet flange on a crumbling cast iron pipe embedded in concrete, with no easy way to replace or secure the flange without excavation.
Existing inset flange requires new concrete screws, but crumbling pipe and concrete make secure anchoring difficult; no off-the-shelf product specifically addresses attaching a flange to a deteriorating cast iron pipe flush with concrete.
49
0
Opp. Score
49
Severity
4High
Willingness to Pay
implied
Added
Jun 17, 2026
Workarounds Described
- plans to use twist n set inset flange but unsure about concrete screws
App Concept
FlangeFix Cast Iron Repair Kit
A self-anchoring toilet flange kit designed to repair rotted cast iron pipes at concrete level. Uses epoxy-bonded stainless steel ring with expanding rubber gasket to seal inside the broken pipe, plus adjustable concrete anchors that drill through the flange into the slab—no existing flange needed.
Key Features
- Expanding rubber seal grips inside broken cast iron pipe up to 4 inches diameter
- Stainless steel flange ring with pre-drilled holes for concrete anchors
- Includes epoxy putty to reinforce crumbled edges before installation
- Adjustable anchor bolts that don't require existing flange threads
Target Users: Homeowners and plumbers dealing with corroded cast iron toilet flanges embedded in concrete basement floors
Revenue Model: $39.99 per kit retail, $99 pro bundle with epoxy and drill bit; available at hardware stores and online
Existing Solutions Mentioned
twist n set inset flange
Part of App Idea
FlexiFlange ProWant to go deeper?
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