Flat roof hatch leaks due to improper flashing, with roofer recommending only temporary cement that dries out and requires frequent maintenance.

Roof cement dries out and cracks due to metal hatch expansion/contraction, requiring frequent reapplication, but roofer claims traditional flashing also fails due to movement.

Severity

3Medium

Willingness to Pay

implied

Added

Apr 29, 2026

Workarounds Described

Roofer applies cement and treats it as a 3-4 maintenance job to retop when it dries out

App Concept

HatchSeal FlexFlash

A flexible, self-adhering flashing system specifically designed for metal hatches on flat roofs. It uses a high-durability rubberized membrane that accommodates thermal movement and bonds permanently to both metal and roofing substrate, eliminating the need for cement and frequent maintenance.

Key Features

Rubberized membrane with 200% elongation to handle expansion/contraction
Self-adhering peel-and-stick installation
Permanent waterproof bond with UV-resistant coating
Compatible with all common flat roof materials and metal hatch types

Target Users: Property owners and roofing contractors dealing with metal hatch leaks on flat roofs; small to mid-size residential and commercial properties.

Revenue Model: $39.99 per hatch kit (includes membrane, primer, and roller); subscription for annual inspection kits at $19.99/year

Existing Solutions Mentioned

roof cement

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