Materials & Shingles
From asphalt shingles to standing-seam metal, the material on your roof drives its lifespan, weather rating, and curb appeal. These guides break down the choices Illinois homeowners face — and the trade-offs Trill Roofing weighs on every estimate.
Asphalt Shingle Types Compared
Three-tab, architectural, and luxury shingles — what changes between tiers, and which Trill recommends for the Riverbend climate.
Class 4 Impact-Resistant Shingles
How Class 4 shingles cut hail-claim costs and unlock insurance discounts in Illinois.
Roof Decking: OSB vs Plywood
The decking decision most contractors don’t explain — and why it matters more than the shingle on top.
Synthetic vs Felt Underlayment
Why Trill stopped installing 15-lb felt and what synthetic underlayment buys you on day one and year fifteen.
Wind Uplift Ratings in Illinois
How shingle wind ratings line up with the gusts Illinois actually sees — and what to ask your installer.
Drip Edge Installation
The flashing detail Illinois code requires and most leaks trace back to.
Roof Pitch & Material Choice
Why a 4/12 pitch limits your material options and how to choose around it.
Solar vs Passive Attic Ventilation
Powered vents, ridge vents, and gable vents — which actually moves air in Madison County.
Tile, Metal & Asphalt Compared
A real cost-and-lifespan comparison for the three materials Trill installs most often.
Standing-Seam Metal Roofing in Illinois
When metal pays off in the Riverbend and when it’s overkill.
Roof Lifespan by Material
Realistic lifespan ranges by material — based on what Trill sees coming off Illinois homes.
Ready for a real estimate?
Trill Roofing offers free, no-pressure roof inspections across the Riverbend.