40+ YEARS EXPERIENCE
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.
5.0 ★★★★★ | Facebook Reviews 4.9 ★★★★ | Google Reviews 5.0 ★★★★★ | Online Reviews
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8:00am – 4:30pm
After hours By Appointment
Weekends By Appointment
We build to the highest quality standards
so you get the best performance and reliability in the business.
Sunrise Windows are energy-efficient windows that are known for their durability, customization options, and eco-friendliness. They offer a variety of styles, materials, and colors to suit different architectural styles of homes.
Emco siding is a type of Steel Siding produced by the company Emco Building Products. It is known for its low maintenance and durability and is available in a variety of colors and styles to suit different architectural styles.
ProVia doors are a line of high-quality residential and commercial doors produced by ProVia, They offer a range of styles and materials, including fiberglass and steel, and are known for their durability, energy efficiency, and customizability.
Truly Insulated Mainframe
Two chambers filled with the same insulation found in high-end coolers
Offers seven times better R-Values than hollow-frame vinyl windows
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Insulates twice as well as competitive foam-filled frames
Designed to match the beauty and elegance of wood windows
Narrowline, dedicated extrusions adds beauty without sacrificing strength
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Coved, mitered interior glazing beads add styling and additional security
ENERGY STAR® qualified for all climate zones
Some of the lowest U-Factor and SHGC numbers available in the market
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Secure, long-lasting seal, with edge deletion, provides superior performance that’s guaranteed to last a lifetime
Secure Sash Structure
Low-profile French cam locks routed into the frame
Locks fastened through three layers of .075 iUPVC
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Scores 10 out of 10 on AAMA forced entry test
Fusion-welded with no weep holes
Triple weather stripping at every point of contact
Dedicated extrusions and step jambs
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One of the lowest published air leakage rates available in the marketplace
Self-tensioning block-and-tackle balance system; same system used by the higher-cost, name brands
Engineered to last four times as long as competitive systems
Locking pin and shoe ensures easy, secure tilt-ins for simple cleaning
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Coordinated recessed night latches extend out from the frame to allow ventilation
Up To 27% More Viewing Area
27% Greater visible viewing area than traditional vinyl windows
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Mulled with one of the narrowest systems available to maximize viewing area
Precision Frame Fabrication
Fully fusion-welded frames and sashes provide stronger, more airtight windows than mechanically fastened competitive products
Complete closed frame system keeps water from entering the mainframe, eliminating the need for unsightly weep holes
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Made from iUPVC, a high-tech, synthetic polymer that offers significantly better energy efficiency than wood or metal windows
About Bobs Custom Windows & Siding
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.