Cool Roof Requirements: San Antonio vs Universal City
How do cool roof requirements rules compare between San Antonio, TX and Universal City, TX?
San Antonio, TX
Bexar County
San Antonio adopted the IECC with local amendments through SAMC Chapter 10, requiring high-reflectance and high-emissivity roofing on low-slope commercial and multifamily roofs in climate zone 2A, reducing cooling loads and urban heat island effect.
View full San Antonio rules →Universal City, TX
Bexar County
No data available yet for Universal City.
Key Facts Comparison
| Fact | San Antonio | Universal City |
|---|---|---|
| Adopted code | Amended IECC | - |
| Reflectance minimum | 0.55 three-year-aged | - |
| Emittance minimum | 0.75 | - |
| SRI alternative | Above 64 | - |
| Climate zone | ASHRAE 2A | - |
Highlighted rows indicate differences between cities.
San Antonio FAQ
Does my SA home need a cool roof?
Single-family residential roofs typically have steep slopes above 2:12 and are exempt. Cool-roof requirements apply mainly to flat or low-slope commercial and multifamily buildings under the SA Energy Code.
Can a green roof substitute?
Yes. Vegetative roofs and rooftop solar PV arrays satisfy the cool-roof requirement under the alternative compliance paths in the amended IECC. Documentation must be submitted at permit.
Universal City FAQ
No FAQs available.
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