Atlas Signature Progressive Foam
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GF Company is equipped to install a complete roofing system on your home, and uses a multitude of roofing shingles in various style and colors from Atlas Brand Roofing to enhance your home’s appearance while offering superior protection from the elements.

Gutters & Downspouts

Your Siding Has Met Its Match
GF Company takes pride in using American made siding by Alside. With a vast array of styles and colors available, Alside delivers quality, durability and performance that ensures lasting beauty for your home’s exterior.

Vinyl Siding

• Manufactured with proprietary ingredients to deliver durability, rigidity, and resistance to extreme weather
• Delivers the attractive appearance of wood without the costly, time-consuming upkeep
• Alside premium vinyl siding won't split, peel or rot
• Because fade resistant color goes clear through the panel, it never needs to be scraped, stained or painted

Steel Siding

• Constructed of galvanized steel and fused with a top coat of PVC for optimal performance
• Provides exceptional strength and impact resistance
• Independently verified to withstand hurricane-force winds
• A non-combustible product, meeting even the most stringent building codes

Specialty Siding

• Luxurious color choices to perfectly accent your home
• Numerous options that offer cost-effective, low-maintenance appeal
• Distinguished by its versatility and impeccable attention to detail
• Performance-engineered to gently blend exceptional style with superior performance

Soffit

• A beautiful, easy to care for finish
• Provides the ventilation needed to eliminate excess heat and humidity from eaves, overhangs and attics
• Available in solid and vented panels
• Solid panels can be used for a stunning vertical siding installation

Trim & Decorative Accents

• Decorative details that deliver the look and performance of a custom, handcrafted design
• Ultraviolet-stabilized color is molded clear through the material for a quality finish
• Engineered components are designed to capture the look of custom made trim details
• Colors perfectly complement or contrast with all Alside siding
For more than 40 years, GF Company has provided exceptional building products for homes and businesses in Northern Illinois. Our success is due to our strong customer focus and our commitment to using the most advanced technologies while providing superior craftsmanship for each and every job. GF Company offers a variety of window styles and configurations to enhance your home’s appearance and its energy efficiency. Our window product line includes a vast array of styles from traditional to contemporary while offering a variety of configurations, colors, grid patterns and glass styles to create the perfect finish for your home.

Vinyl Replacement

Alside sets the standard by which other replacement windows are measured. Over 65 years of innovation has resulted in a collection of windows that are designed and engineered to provide beauty, performance, ease of operation and increased energy efficiency.

Whether you are remodeling, renovating or building a new home, Alside delivers unmatched beauty, strength and energy savings. Alside Windows are custom-made to fit your current window openings precisely. They are easier to install because they require no additional wall construction, in comparison to stock windows found at your local retailer.

Best of all, Alside windows gracefully enhance the architectural style of your home, whether it’s traditional or contemporary, there’s a model to fit your specific style, performance and budget needs.

New Construction

Performance Series Windows are precision-engineered for enduring beauty and performance. These classically styled windows offer a variety of design solutions to meet the ever-changing aesthetic, architectural and budgetary needs of the new construction professional.

And rest assured – the beauty of these windows goes far beyond looks. When you choose Performance Series New Construction Windows, you’re getting exceptional quality and value backed by decades of leadership and true product design know-how.

Alside Performance Series Windows are quite simply the easiest and best choice for your new home.
For more than 40 years, GF Company has provided exceptional building products for homes and businesses in Northern Illinois. Our success is due to our strong customer focus and our commitment to using the most advanced technologies while providing superior craftsmanship for each and every job. GF Company offers a variety of window styles and configurations to enhance your home’s appearance and its energy efficiency. Our window product line includes a vast array of styles from traditional to contemporary while offering a variety of configurations, colors, grid patterns and glass styles to create the perfect finish for your home.

Fiberglass Entry Doors

Nothing beats fiberglass doors for value and performance. Beautifully crafted, energy efficient, secure, and easy to maintain, GF Company's Therma-Tru fiberglass entry doors are a durable alternative to wood or steel.
See how Therma-Tru’s AccuGrain™ Technology has given our Classic-Craft® line of entry doors an authentic wood grain look. And new this year is the Canvas Collection™, our first premium, smooth paintable door.
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Sliding Patio Doors

GF Company's Alside Brand Patio Doors extend your home’s ambience to the great outdoors, visually expanding and brightening any room. And the expanded glass area means added light – so every season is more enjoyable.
The precision-built slimline profile allows ample glass exposure for a generous viewing area, yet provides outstanding protection from inclement weather. Position a transom window above your patio door to create a dramatic effect with added height and visual appeal. A variety of door styles and options lets you further customize the door to suit your décor.
Sliding Patio Doors from GF Company are available in a variety of styles and colors to suit your home’s décor. Our patio doors have a precision-built slim line profile that accomplishes a generous viewing area while providing you with protection from the elements.