08/28/2026
The first monsoon storm is often less of a cause and more of a test.
Months of extreme heat, UV exposure and daily temperature swings can quietly weaken commercial roofing materials. Then heavy rain, wind and standing water reveal the damage all at once.
That may include:
- Separated flashing around parapet walls
- Fatigued membrane seams
- Micro-cracks in foam roof coatings
- Weak points around rooftop HVAC equipment
- Drains and scuppers blocked by storm debris
Once water reaches the insulation beneath the roof, every storm that follows can spread the damage further and turn a manageable repair into a much larger expense.
We have helped Arizona businesses diagnose and repair monsoon-related roofing problems since 1993, with 24/7 emergency response available across the Phoenix and Tucson areas.
Check out our blog to learn what monsoon weather may be revealing about your commercial roof:
https://lyonsroofing.com/blog/monsoon-season-exposes-hidden-commercial-roof-damage-arizona/