Homeowner needs to patch a hole near a water heater that mice are entering through, but standard gap fillers are flammable and unsafe, and the location is hard to reach.

Existing gap fillers are flammable and cannot be used near a water heater due to fire risk, and there is no specific product designed for sealing holes in tight, high-heat locations.

Severity

3Medium

Willingness to Pay

implied

Added

Jun 10, 2026

App Concept

FireBlock Pest Seal

A non-flammable, heat-resistant expanding foam or sealant specifically designed for sealing gaps around heat sources like water heaters. It comes in a specialized applicator for tight spaces, stops pests, and meets fire safety codes.

Key Features

Non-flammable and heat-resistant up to 250°F
Expands to fill irregular gaps and cracks
Long-reach nozzle for tight, hard-to-reach areas
Pest-deterrent formula with bitterant to prevent gnawing

Target Users: Homeowners and DIYers dealing with pest entry points near water heaters, furnaces, or other heat sources

Revenue Model: $12.99 per can at hardware stores, with a $49.99 annual subscription for bulk refills or professional use

Existing Solutions Mentioned

gap fillers

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