UltraMaxx Fusion-Welded Vinyl Windows
Ultra-Premium, Custom-Made Windows
Theres a unique feeling of confidence that comes from knowing you have chosen UltraMaxx Windows from Alside. They are not only beautiful; their heavy-gauge, fusion-welded vinyl sash and mainframe structure makes them incredibly strong and durable. Years of operation and harsh weather wont diminish their quality or performance. And they offer superior resistance to the elements and air and water infiltration.

Vinyl Color Choices
Customize your home by selecting a vinyl color that complements its style and look. Optional decorative interior and exterior paint finishes create the perfect curb appeal.

Color Selected:
White*
*Extruded Solid Color
Our Limited Lifetime Warranty
Your investment in Alside windows, siding and accessories is backed by lifetime limited transferable warranties. This peace-of-mind warranty coverage is added assurance that you have not only invested in windows and siding from a leading innovator in vinyl building products, but with proper care, your purchase is guaranteed to perform for the lifetime of the product.
For more information download the UltraMaxx Brochure and Warrranty


Features and Benefits
The multi-chamber design of the Sheffield Window helps trap dead air to produce an effective insulating barrier.
Fusion-welded frame and sashes provide superior structural strength and create a permanent barrier against air and moisture infiltration.
Quad 4 weatherstripping at the header and sill adds greater protection from the elements.
Heavy-duty SteelForce reinforcement is placed within the sashes at the meeting rails to ensure extra protection at this very critical and often used location.
The Intercept Spacer System helps reduce conducted heat loss through the window and is better at retaining insulating gas than many conventional designs.
Triple-barrier weatherstripping between the sash and jamb for superior protection from air and water infiltration.
Full-capture sill channels water to the exterior keeping your windows free from accumulation of water and debris.
UltraMaxx Fusion-Welded Vinyl Windows can be fitted with ClimaTech Insulated Glass packages, featuring Low-E glass, argon gas and the Intercept Warm-Edge Spacer System. The superior thermal performance of this insulating glass unit can help lower your energy costs while further reducing the consumption of fossil fuels. Many ClimaTech insulating glass packages meet the latest ENERGY STAR requirements.


In todays world we need to look beyond just the aesthetics of our new windows. We find our environment captured by an increased focus on energy, and we can help you reduce energy consumption with ENERGY STAR qualified windows from Alside. Since windows are roughly 80% glass, its important to choose an energy-efficient ENERGY STAR qualified window.
Alside windows meet stringent ENERGY STAR performance requirements in all U.S. climate zones. Rebel Exteriors Inc. can help you choose the best insulated glass package to meet the ENERGY STAR requirements for your home.