Business Details
40 Years
experience
Premium Windows Siding and Doors in Janesville
Bob's Custom Windows & Siding has served homeowners in Southern Wisconsin since 1986, delivering premium windows, siding, and door solutions with unmatched craftsmanship. Founded by Robert Scieszinski, our team combines over 40 years of industry experience with a commitment to quality materials and personalized service. We prioritize customer satisfaction through energy-efficient products, precise installations, and a dedication to resolving issues promptly. Our affiliation with Advanced Construction of Janesville expands our capabilities to include residential and commercial remodeling, roofing, and excavation. As a lead-certified, fully insured company, we offer free in-home estimates, senior discounts, and financing options to ensure accessibility.Our Janesville showroom showcases product lines from trusted brands like Sunrise Windows, Emco Steel Siding, and ProVia Doors. Every project reflects our mission: providing fair pricing, professional execution, and putting customers first. With ENERGY STAR-qualified windows and climate-specific performance features, we deliver durability and aesthetic value tailored to local architectural styles. Our patented engineering innovations, including airtight construction and superior insulation, guarantee long-term energy savings. Backed by industry-leading warranties and partnerships with top manufacturers, we ensure every client receives reliable, customized solutions that enhance home comfort and value.
Services
Window Installation
Siding Replacement
Door Installation
Commercial Construction
Financing Options
Details
- Year established: 1986
Highlights and features
- 40+ years of local experience in home improvement and construction.
- Lead-certified team ensuring safe, compliant installations.
- Financing options available for qualified customers.
- Free in-home estimates with no-obligation consultations.
- Affiliated with Advanced Construction for expanded service capabilities.
Associations and certifications
- Lead Certified
What people say
Excellent craftsmanship
Professional installations
Energy savings achieved
Prompt service
Quality products
Services
Window Installation
We install Sunrise Windows featuring fusion-welded frames, triple weather stripping, and climate-specific insulation. Our windows offer 27% more viewing area than traditional models and are ENERGY STAR qualified for all climate zones. The self-tensioning balance system ensures durability four times longer than competitors' products.
Siding Replacement
We provide Emco Steel Siding and Norandex Vinyl Siding solutions with low-maintenance durability. Our steel siding resists corrosion and fading, while vinyl options offer customizable profiles. Both lines feature precision-engineered designs to enhance energy efficiency and architectural aesthetics for residential and commercial buildings.
Door Installation
ProVia doors combine fiberglass or steel construction with customizable finishes for security and energy efficiency. Our installation process ensures proper sealing against air leakage, with options including patio doors and insulated mainframes that exceed industry R-value standards for thermal performance.
Commercial Construction
Through our partnership with Advanced Construction of Janesville, we offer full-scale commercial projects including roofing, excavation, and egress window installations. Our team handles renovations and new builds with the same attention to detail and quality materials applied to residential work.
Financing Options
We provide financing solutions for qualified customers to make home improvement projects more affordable. Our team works with applicants to structure payment plans that align with budgetary needs while maintaining access to premium products and professional installation services.
People
Robert Scieszinski
Founder
Robert Scieszinski established Bob's Custom Windows & Siding in 1986, expanding his family's 40-year legacy in the industry. He leads with a focus on quality craftsmanship and customer satisfaction, ensuring every project meets rigorous standards for durability and energy efficiency.
Questions
What window brands do you offer?
We specialize in Sunrise Windows, known for energy efficiency and customizable designs.
Do you provide siding warranties?
Yes, we offer manufacturer warranties for Emco Steel Siding and Norandex Vinyl Siding products.
Are financing options available?
Yes, qualified customers can access financing plans for window, siding, and door projects.
What areas do you serve?
We serve Rock, Dane, Walworth, and Green counties in Southern Wisconsin.
Is your team lead-certified?
Yes, we maintain lead certification for safe installation practices in home improvement projects.
Do you offer free estimates?
Yes, we provide free in-home consultations with no-obligation quotes for all services.
