Roof & Gutter Flow Support
Roof & Gutter Flow is designed to help users estimate roof runoff, gutter capacity, downspout capacity, roof coverage, and downspout loading.
If you experience a problem with the app, have a question about how a feature works, or would like to suggest an improvement, please contact:
Email: timmermanmatt@yahoo.com
When reporting a problem, please include your iPhone model, iOS version, and a brief description of what happened.
Roof & Gutter Flow calculations are provided for reference and planning purposes. Results should not replace applicable building codes, manufacturer requirements, or professional engineering advice.
Copyright © 2026 Matt Timmerman