Region: Illinois (118% Labor Index)
Architectural Asphalt Roof Replacement Cost in Illinois (2026 DIY vs. Pro Calculator)
Calculate 2026 architectural asphalt roof replacement costs in Illinois. Compare DIY material shopping lists against local contractor installation rates.
2200
DIY Material Cost (Illinois)
$0
Local Contractor Installed (Illinois)
$0
Get Exact Illinois Contractor Quotes
Working on steep roof pitches is dangerous and voids shingle warranties if improperly vented. Get 3 licensed local roofer quotes.
Itemized DIY Material Shopping List
| Required Material / Tool | Estimated Qty | Amazon Check |
|---|
Illinois Climate & Code Notes
Deep winter freeze-thaw cycles (42-inch frost depth) require heavy base compaction and moisture vapor barriers on concrete slabs.
Pro Field Notes
- 1 Roofing Square equals 100 sq ft of roof surface area. Always include 10% to 15% waste for hip and valley cuts.
- Northern freeze zones require self-adhering Ice & Water Shield membrane extending at least 24 inches inside the warm exterior wall line.
- Replacing step flashing and pipe boots during tear-off prevents 90% of premature roof leaks.
2026 Architectural Asphalt Roof Replacement Cost Table (Illinois)
| Project Size | DIY Materials | Pro Installed | DIY Savings |
|---|---|---|---|
| Small Ranch (15 Squares) (1500 sq ft) | $5,400 | $14,715 - $18,312 | $11,114 |
| Average 2-Story (22 Squares) (2200 sq ft) | $7,920 | $21,582 - $26,858 | $16,300 |
| Large Custom Home (35 Squares) (3500 sq ft) | $12,600 | $34,335 - $42,728 | $25,932 |