Acclaim™ Custom & Specialty Windows
Renewal by Andersen Polar Block Sales offers specialty windows that transcend standard geometric norms. Whether you aim to infuse distinct character into an awkward space or simply maximize natural light, our custom windows are perfectly tailored to match your precise design vision and unique home needs in Illinois or Iowa.
+78,480 Reviews
Customization Options
Designed For You
Every specialty window is meticulously designed and manufactured to specifically complement and significantly elevate the architectural beauty and unique style of your residence.
Multiple Options
Homeowners can choose from 16 specific geometric shape styles, including striking options like full round, eye-catching hexagonal, sharp triangular, elegant arched units, and many more.
We Work With You
Our local Project Consultants will partner with you through every step, providing expert guidance to create a truly custom window solution that addresses your home's exact requirements.
Check Out These Transformations
When to Choose Replacement Specialty Windows
Living Rooms
Utilize unique shapes to establish an instant, dramatic focal point or expertly frame stunning outdoor views that are unique to the Central Illinois, Greater Des Moines and Quad Cities regions.
Entryways
Design a light-soaked, welcoming entrance that immediately boosts your home's perceived value and adds significant architectural interest.
Kitchens
Ideal for placement above sinks or in a small dining nook, providing ample added light and serving as a seamless design element to complete your kitchen’s aesthetic.
Lounges
Perfect for accentuating private or cozy retreats by adding a sophisticated touch of light and elegance where it's needed most.
Features / Details
Architectural Character
Every specialty unit is fabricated to perfectly match the exact arch and angles of your home's existing structure, significantly enhancing its overall character and architectural integrity.
Maximized Daylight
Achieve the ultimate level of natural light exposure by using uniquely sized or shaped glass areas that are simply unobtainable with standard, conventional window dimensions.
Value Proposition
Installing custom specialty windows creates a strong, distinguishing feature that will undoubtedly set your property apart and potentially boost its standing in the competitive Iowa and Illinois real estate market.
Thermal Performance
Despite their large or unique glass dimensions, these fixed-frame windows deliver exceptional energy efficiency due to a robust, airtight, full-perimeter seal between the durable Fibrex frame and the glass.
Total Flexibility
Enjoy the complete freedom to tailor shapes, sizes, and styles to precisely meet your most unique interior design preferences and exterior architectural needs.
Signature Look
Opting for our custom windows allows you to distinctly and permanently refine your home's aesthetic, adding a truly unique and personal touch to your property.
Get a Deep Dive on Acclaim™ Custom & Specialty Windows
This short feature video provides an overview of the key performance and design attributes of Acclaim™ Custom & Specialty Windows. Our Polar Block Sales team can show you if they are the perfect solution for your remodeling project.
Get a Deep Dive on Acclaim™ Custom & Specialty Windows
Reviews
+78,480 Reviews
Frequently Asked Questions
Although a specialty window requires a unique, completely custom build and is not mass-produced, our carefully optimized and fine-tuned manufacturing processes ensure that your custom unit will be fabricated and delivered on-time, coordinating seamlessly with the rest of your window order.
Renewal by Andersen Polar Block Sales offers a comprehensive range of custom design elements. This includes access to 48 different color combinations (featuring dual-color options for contrasting interiors/exteriors), 11 premium hardware finishes, and a selection of diverse grille options to perfectly complement the unique aesthetic of your home.
Fibrex® is our exclusive composite material, combining the durability of wood with the maintenance-free properties of vinyl. It is scientifically proven to be twice as strong as vinyl, provides outstanding thermal insulating properties, and never requires painting. Furthermore, our commitment to sustainability means Fibrex is made using 40% reclaimed wood fiber.
Our Polar Block Sales product consultants will guide you through our variety of advanced glass packages, all suited for the area's climate. We will analyze specific performance details, including glass heating and cooling performance, the amount of visible light transmittance, and the level of ultraviolet (UV) protection to help you select the ideal, energy-efficient glass for your new custom windows.
