Cool Roof Requirements: Austin vs Pflugerville
How do cool roof requirements rules compare between Austin, TX and Pflugerville, TX?
Pflugerville has fewer restrictions than Austin.
Austin, TX
Travis County
Austin Energy Code, an amended version of the 2021 IECC adopted under City Code Title 25, requires high-reflectance and high-emissivity roofing on low-slope commercial and multifamily roofs, reducing cooling loads and mitigating urban heat island effect.
View full Austin rules →Pflugerville, TX
Travis County
Travis County has no cool-roof mandate for private properties because Texas preempts local energy code amendments on residential construction beyond the adopted 2015 IRC baseline. Voluntary high-reflectance shingles qualify for utility rebates inside Austin Energy territory.
View full Pflugerville rules →Key Facts Comparison
| Fact | Austin | Pflugerville |
|---|---|---|
| Adopted code | Austin amended 2021 IECC | - |
| Reflectance minimum | 0.55 three-year-aged | - |
| Emittance minimum | 0.75 | - |
| SRI alternative | Above 64 | - |
| Applies to | Low-slope commercial and multifamily | - |
| County mandate | - | None |
| Code basis | - | Texas IRC adoption |
| Rebate utility | - | Austin Energy or Pedernales |
| Permit review | - | Standard, no SRI check |
Highlighted rows indicate differences between cities.
Austin FAQ
Does my Austin 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. Austin Energy still offers rebates on residential reflective shingles.
Can a green roof substitute?
Yes. Vegetative roofs and rooftop solar PV arrays satisfy the cool-roof requirement under Austin Energy Code Section C402.3 alternative compliance paths. Designer must document area coverage and submit calculations at permit.
Pflugerville FAQ
Do I need a cool roof to get a permit?
No. Travis County does not require Solar Reflectance Index minimums for residential roofs in unincorporated areas, regardless of color or material.
Are rebates available?
Possibly through your retail electric utility. Austin Energy and Pedernales Electric Cooperative both offer radiant barrier or cool-roof rebates for qualifying installations.
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