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Business ProfileRoofers in Sioux City, Iowa
Winkler Roofing Inc
Winkler Roofing Inc
Winkler Roofing Inc provides residential and commercial roofing in Sioux City and the surrounding Siouxland area. Robert and Mike Winkler founded the family business in 1974, and it has three generations of roofing experience.
Last Updated October 3, 2026.
Business Highlights
- The company reports more than 50 years of business expertise serving Siouxland.
- The company identifies itself as a certified installer of GAF, Mule-Hide and Versico.
Service Area
Sioux City and the surrounding Siouxland area.
Active Business Listing
Winkler Roofing Inc is one of 11 roofers ProsGrade lists in Sioux City, Iowa.
Active
Public local listing
Listing details
9 services listed, including Asphalt shingle roofing, Built-up asphalt roofing and EPDM membrane roofing. Open weekdays, closed on weekends. Rated 5.0 from 4 reviews.
- Verified listing details
- Service information
- Customer review signals
- Photo gallery
- Public contact information
- Published local profile
How This Business Compares
How Winkler Roofing Inc compares with the other 10 roofers on ProsGrade in Sioux City, using public Google ratings and review counts.
- Rated 5.0 on Google, at or above the 4.8 average of other Sioux City roofers on ProsGrade.
Services Covered
9 services- Asphalt shingle roofingVarious brands and colors
- Built-up asphalt roofing
- EPDM membrane roofing
- PVC membrane roofing
- TPO membrane roofing
- Single-ply membranesFor low-slope residential areas
- Residential leak repair
- Storm damage restoration
- Commercial roof replacement
Reviews
What customers say
Both customers describe the work positively. One also calls the service professional, courteous and prompt, while the other says Winkler stands by its work.
Customer Reviews
Jan De Jong
No review text provided.
Kami Claeys
Professional, courteous, prompt and did a great job. Definitely recommend.
Michele Haupt
Stand by their work and good job
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Frequently Asked Questions
Does Winkler offer free estimates for residential roofing?
Winkler offers a free estimate for residential roofing work.
How does Winkler determine residential roofing recommendations?
It completes a thorough assessment before recommending options aligned with the homeowner’s preferences and budget.
Does Winkler make emergency repairs for commercial roofs?
Its commercial roofing services include emergency repairs intended to minimize downtime.