Swansea's Highest-Rated Vinyl Siding Pros, by Google
8 vinyl siding installers earned a spot on this Swansea page by Google rating, not by a state file this site doesn't have enough of yet. Wind risk reads Relatively Moderate and hail risk reads Relatively High for the county around Swansea, exactly the two stresses a panel's ASTM rating is supposed to answer.
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34° / 79°Fnormal January and July mean temperatures
What Swansea's climate asks of a vinyl panel
Swansea's July mean of 79°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 34°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 7.9 mi away.
Wind and hail risk near Swansea
St. Clair County carries a Relatively High hail rating and a Relatively Moderate wind rating on FEMA's National Risk Index.
Around Swansea, 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 Swansea
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.
Barringer Brothers Roofing
Siding contractor
- Google rating
- Reviews
- 245
- Area
- Belleville 62221
2nd Gen Exteriors
Siding contractor
- Google rating
- Reviews
- 43
- Area
- Not listed
iRestore Stl
Siding contractor
- Google rating
- Reviews
- 312
- Area
- Belleville 62221
Knipp Roofing & Exteriors Inc.
Siding contractor
- Google rating
- Reviews
- 165
- Area
- Belleville 62220
Geissler Roofing Co, Inc.
Siding contractor
- Google rating
- Reviews
- 34
- Area
- Belleville 62220
Wildwood Roofing & Construction
Siding contractor
- Google rating
- Reviews
- 22
- Area
- Swansea 62226
R & R Exteriors
Siding contractor
- Google rating
- Reviews
- 5
- Area
- Belleville 62220
Credible Exteriors & Renovations
Siding contractor
- Google rating
- Reviews
- 15
- Area
- Swansea 62226
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?