After installing new flooring, the subfloor doesn't extend far enough under the toilet flange to provide a solid screw anchor.

No tool or advice found in the post about an alternative way to secure a toilet flange when subfloor is short, despite existing flooring being installed.

Severity

3Medium

Willingness to Pay

implied

Added

May 1, 2026

App Concept

FlangeFix Anchor Kit

A retrofit solution that allows homeowners and DIYers to securely fasten a toilet flange to a subfloor that doesn't extend fully beneath it, without removing the installed flooring. Includes expansion anchors, brackets, and a template to reinforce the flange area from above.

Key Features

Expansion anchors that grip the subfloor from the top side
Adjustable metal bracket to span gaps up to 2 inches
Drill guide template for precise hole placement
Corrosion-resistant stainless steel hardware

Target Users: Homeowners and DIYers in home services who install new flooring and encounter subfloor gaps near toilet flanges.

Revenue Model: $24.99 per kit, sold through hardware stores and online marketplaces

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