Looking to upgrade your home’s exterior without the upkeep of traditional wood?
At Giant Siding & Windows, we install Alside Ascend® composite siding for homeowners across Westchester and Fairfield counties. Designed to replicate real wood, Ascend combines durability with advanced performance; featuring built-in insulation, fade-resistant color, and superior resistance to moisture, rot, and pests.
The result is a high-end look with energy efficiency and long-lasting protection, all with minimal maintenance. Plus, our virtual consultation process makes it easy to explore your options without the pressure of in-home sales.
Contact Us Today!
Our Trusted Siding Brands
Special 0% Interest Financing Offer!
Our special financing offer can make your next siding project more affordable than ever.
Take advantage of our 0% financing* special offer!
*Requires credit approval. Contact us for details.
Google Rating
4.8 based on 164 reviews
Angies Rating
4.6 based on 169 reviews
Guild Quality Rating
4.8 based on 49 reviews
Facebook Rating
4.6 based on 12 reviews
Upgrade Your Home with Alside Ascend® Cladding Built for Lasting Durability
Why Giant Siding & Windows is Your Best Choice For Siding
The 3 Simple Steps to Our Home Transformations
CONSULT
We offer a virtual sales process so you can schedule from the comfort and privacy of your home or office. No need to worry about pushy salespeople.
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Fiber Cement Siding
Exceptionally durable, attractive, and a breeze to care for, Hardie fiber cement siding offers lasting performance that can’t be beaten. To give you outstanding results, we specialize in installing James Hardie siding, known for its impressive, decades-long beauty and performance.
Vinyl Siding
Sleek, modern, and affordable, vinyl siding is a simple, effective way to boost your home’s curb appeal—and it’s low-maintenance too, making your job as a homeowner easy! To help you find the perfect fit for your home, we offer Royal® vinyl siding.
Ensuring your complete satisfaction is our top priority. You can expect our team to treat you and your home with the utmost respect as we work toward getting you the results you desire. Here’s why so many local homeowners count on us for their home remodeling needs:
We’ll create a customized plan for your project and follow up to discuss the scope, process, timing, and investment.
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PLAN
Improve the look and function of your home with the top products and installation that exceed manufacturer’s specs so you get a home you love.
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INSTALL
A+ BBB Rating
Certified & Experienced Crews
5-Star Ratings & Reviews
Licensed, Bonded and Insured
Top Manufacturer Certifications
Constant Project Communication
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Top Rated Siding Contractor in Westchester & Fairfield Counties Since 1965
Three Generations of Family Dedication
Since 1965, we’re proud to say that we’ve built a reputation for quality and service that our customers can trust. We use only the best materials and workmanship, and we’re always available to answer any questions or concerns you may have. We’re here to help you make your home the best it can be.
Serving Westchester Homeowners with Fairness, Honesty, and Integrity.
Modern Composite Siding Installation
The Look of Real Wood Without the Maintenance, Backed by Alside's Advanced Technology
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Special 0% Interest
Financing Offer
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Homeowners We've Proudly Served
Steven G. (Google Review)
"From the initial call with the owner Perry all the way to the walk-through near completion of the job their communication was always great. There were no surprises during the job and the craftsmanship exceeded my expectations... I am happy I choose Giant Siding & Windows and would HIGHLY recommend them to you."
"Perry and his team at Giant Siding and Windows did our new Gaff roof, Marvin windows, and all our new James Hardie lap siding and trims. The work was excellent from the beginning of the process to finish. His crews are extremely experienced and provide quality work all the way. All the new materials and finishes have really improved our home's look and feel."
Maruti E. (Angi Review)
"I was most satisfied with how professional they were. The owner even went with me to present to the historic board. Also, they had to redo some work that another contractor had done and did it very well and without fuss. They also were very nice to my neighbors who are very particular. I would like to recognize the owner, for his exceptional service."
Leslie A. (Guild Quality Review)
Maruti E. (Angi Review)
"I recently hired Giant Siding & Windows to install James Hardie Siding on my house. From the initial call with the owner Perry all the way to the walk-through near completion of the job their communication was always great. There were no surprises during the job and the craftsmanship exceeded my expectations... I am happy I choose Giant Siding & Windows and would HIGHLY recommend them to you."
Leslie A. (Guild Quality Review)
"I was most satisfied with how professional they were. The owner even went with me to present to the historic board. Also, they had to redo some work that another contractor had done and did it very well and without fuss. They also were very nice to my neighbors who are very particular. I would like to recognize the owner, for his exceptional service."
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The Benefits of Alside's Composite Siding
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Low Maintenance, Real Wood Look
Get the natural beauty and texture of wood siding without the constant painting, staining, or upkeep.
Built for Harsh Northeast Weather
Engineered to withstand moisture, temperature swings, and severe conditions common in the Northeast, helping protect your home year-round.
Resists Rot, Moisture & Pests
Advanced materials prevent common issues like water damage, wood rot, and insect infestation for long-term performance.
Exceptional Durability & Longevity
Composite siding is designed to last, offering strong resistance to wear, impact, and environmental damage over time.
High-End Curb Appeal & Value
Available in a wide range of colors and textures, it delivers a premium look while increasing your home’s long-term value and protection.
