70% VLT Tint on Front in Iowa
Installing a 70% VLT film on your front side windows is fully legal (any film in the 70% - 100% VLT range is compliant) under Iowa Code Section 321.438.
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Calculate compliance for all windows in Iowa.
IA Technical VLT Blueprint
Interactive diagnostic spec sheet
VLT Compliance Analysis
Visible Light Transmission (VLT) measures the amount of light passing through the glass. In Iowa, front side window glass must transmit a minimum of 70% light.
A 70% VLT window tint on front side windows is legal in Iowa. Keep your professional installation invoice in your vehicle as verification.
70% Tint Compliance Metrics Check
Passenger Sedans
| Windshield: | Non-reflective tint allowed above AS-1 line or top 5 inches |
| Front Side: | (Limit: 70%)✓ LEGAL |
| Rear Side: | (Any)✓ LEGAL |
| Rear Window: | (Any)✓ LEGAL |
SUVs, Trucks & Vans
| Windshield: | Non-reflective tint allowed above AS-1 line or top 5 inches |
| Front Side: | (Limit: 70%)✓ LEGAL |
| Rear Side: | (Any)✓ LEGAL |
| Rear Window: | (Any)✓ LEGAL |
Penalty Enforcement Schedule
If local enforcement pulls you over and tests your glass using an electronic light transmission meter, results below 70% VLT trigger local penalties.
| Infraction Class | Fine Schedule |
|---|---|
| First Offense | $135 citation fine |
| Physical Compliance Check | Mandatory Verification |
Full State Database
Window tint codes regulate windshields, rear sides, and rear windshields under distinct parameters.
See All Iowa Rules