Home ServicesInstallation & Assembly4HighOwner$ implied

Flat roof on a cedar sauna kit leaks because water gets trapped between trim, causing damage and limiting use in wet conditions.

No purpose-built solution exists for adding proper drainage to prefab flat-roof sauna kits; manufacturer design is flawed and lacks instructions for waterproofing.

52
0
Opp. Score
52
Severity
4High
Willingness to Pay
implied
Added
Jun 27, 2026
App Concept

SaunaRoofFix Pro

A retrofit drainage kit tailored for flat-roof sauna kits, providing pre-measured shims, drip edge trim, and waterproof underlayment with step-by-step installation guide. Solves the common leaking issue without requiring custom fabrication.

Key Features
  • Pre-cut tapered shims to create 1/4" per foot pitch
  • Custom-fit drip edge trim with weep holes
  • Self-adhering rubberized underlayment membrane
  • Detailed video and PDF installation instructions for common sauna kit sizes
Target Users: Homeowners who purchased flat-roof cedar sauna kits and need a reliable waterproofing solution
Revenue Model: $89 one-time kit purchase, with optional $19 expedited shipping

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