Vinyl Siding Installers Near Alton, Ranked by Rating
This site doesn't carry a license file deep enough for Alton yet, which is why 8 installers appear below from a Google search instead. 4A is the IECC climate zone around Alton, the same zone that decides which panel grade actually makes sense here.
Google Maps ratings checked · How we rank
30° / 78°Fnormal January and July mean temperatures
What Alton's climate asks of a vinyl panel
Alton's July mean of 78°F is well below what a dark vinyl panel can reach in direct sun, which is part of why manufacturers warn about nearby heat sources.
January's 30°F mean, on the other end, is cold enough that a crew has to widen fastening clearances to keep panels from cracking.
Data: NOAA National Centers for Environmental Information, U.S. Climate Normals 1991-2020 (annual/seasonal and monthly, by station) (1991-2020), from the nearest NOAA station 2.6 mi away.
Wind and hail risk near Alton
Madison County carries a Relatively High hail rating and a Relatively Moderate wind rating on FEMA's National Risk Index.
Around Alton, hail typically dents vinyl before it cracks it; wind tests the fastening pattern and the panel's locking design more than the raw material.
- Strong wind
- Relatively Moderate
- Hail
- Relatively High
- Hurricane
- Very Low
- Wildfire
- Very Low
Data: FEMA, National Risk Index for Natural Hazards - County-level table, v1.20 (v1.20, December 2025).
8 top-rated vinyl siding installers in and near Alton
A single five-star review counts for less here than a few hundred reviews averaging 4.8, since the order below blends the star count with how many people left one. Nothing about that order checks a license, so ask to see one yourself before you sign.
Prrotect Roofing
Siding contractor
- Google rating
- Reviews
- 86
- Area
- Godfrey 62035
Rob's Construction
Siding contractor
- Google rating
- Reviews
- 50
- Area
- East Alton 62024
HomePro Services
Siding contractor
- Google rating
- Reviews
- 11
- Area
- Not listed
ATW Contracting
Siding contractor
- Google rating
- Reviews
- 13
- Area
- Alton 62002
Tycon Builders LLC
Siding contractor
- Google rating
- Reviews
- 20
- Area
- Alton 62002
Riverbend Roofing Services and Construction LLC
Siding contractor
- Google rating
- Reviews
- 35
- Area
- Alton 62002
Eagle Windows & Siding Co
Siding contractor
- Google rating
- Reviews
- 35
- Area
- East Alton 62024
Renown Remodeling
Siding contractor
- Google rating
- Reviews
- 15
- Area
- East Alton 62024
Before you sign, ask about the panel itself
- What thickness, in mils, is this panel, and does it carry an independent ASTM D3679 certification listing?
- Is this standard vinyl or insulated vinyl, and if insulated, what R-value is certified under ASTM D7793?
- What wind-load rating is the product certified for, in miles per hour, and how does that compare to {county}'s wind risk?
- Will the installer leave the manufacturer's specified expansion gap at trim, corners and openings, or nail tight?
- If the color is a dark shade, is it separately certified for color retention?
- Does any wall face reflected sunlight from a neighboring low-E window, and has that been accounted for in the material choice?