about Bobs Custom Windows

about Bobs Custom Windows

About Company

Our History

Bob’s Custom Windows and Siding, Inc. was established in 1986 by Robert Scieszinski. Bob’s father, Jim, had been in the siding business since 1947. When Bob bought the business in 1986, he expanded it to include replacement windows. In 1995, Bob joined the franchise of United States Seamless and began doing seamless steel siding. In 2002, he added seamless steel log siding to his service offerings.

With over 40 years of experience, you can count on the team at Bob’s Custom Windows and Siding, Inc. to satisfy all your window and siding needs quickly, efficiently, and affordably. We know how much quality means to you, and we work hard to give you the absolute best on every job.

At Bob’s Custom Windows and Siding, quality products and workmanship does make the difference. Putting our customers first is our number one priority! Bob’s Custom Windows and Siding, Inc. is located at 1015 North Parker Drive in Janesville, Wisconsin. our showroom features examples of our window and siding lines, you can see and feel the quality of our products.

Browse our website to learn more about us. In addition to our services, we are fully insured and lead-certified for your protection. Contact us today to schedule a free in-home estimate with one of our experts. Senior citizen discounts are available.

Bob’s Custom Windows and Siding is affiliated with Advanced Construction of Janesville LLC.

While collaborating and working closely with Advanced Construction of Janesville, we can offer our customers more than just windows and siding. In other words, we can now offer both residential and commercial construction including remodeling, roofing, excavating, egress windows, and more.

Our Mission

Superior Windows, Siding, Door Services

40+ Years in Business

Our Mission at Bob's

Our mission is to provide the finest products and services to our customers at fair and reasonable prices, to handle all issues that arise within a reasonable time frame and in a professional manner, and to remember that “Our Customers come first” at all times.


Proudly Serving Southern WI For 40 Years

Working With Us Is Easy

Getting Your Quote - Scheduling Your Job - Relax

Get Your Free Estimate Today

Scroll to Top