Lowcountry Window Replacement
Slider windows on a modern coastal Lowcountry home
Windows
Slider
Simonton Authorized Dealer

Slider Window Replacement in Charleston & the Lowcountry

Featuring Simonton's 5500 Collection and StormBreaker Plus® - wide, panoramic views and contemporary styling engineered for South Carolina's coastal climate.

Authorized Simonton Dealer

America's Most Trusted Vinyl Window Brand

75+
Years Manufacturing
4.7★
Customer Rating
AAMA
Gold Certified
ENERGY★
STAR Qualified

About Slider Windows

Wide Views, Contemporary Style

Simonton slider windows glide open horizontally on a smooth, corrosion-resistant track, offering wide, unobstructed views and a clean, contemporary aesthetic. They're an excellent choice for rooms where you want to maximize the view — whether that's a marsh, the ocean, or a beautiful Lowcountry landscape.

Simonton's 3-lite end vent slider is particularly popular for replacing large picture windows. You get the same wide, dramatic view — but now with the added benefit of ventilation from the operable end vents. The removable sash makes exterior cleaning easy from inside your home.

Built with fusion-welded premium vinyl that resists South Carolina's salt air, humidity, and intense UV exposure. Available with SafePoint® impact-rated glass options to meet coastal building codes throughout the Lowcountry.

No Pressure Sales
Expert Installation
Coastal Climate Specialists
Lifetime Warranty
Simonton slider window with panoramic Lowcountry marsh view

Simonton Features

Built for the Lowcountry

Every Simonton slider window is custom-built to exact size and backed by a Lifetime Limited Warranty.

One or more sashes slide horizontally for easy, smooth operation
Wide, panoramic views with minimal frame obstruction
Contemporary styling that complements modern coastal architecture
ProSolar® Low-E glass with Argon gas for energy efficiency
Fusion-welded frame for superior weather resistance and durability
16-chamber sash design maximizes insulation
Triple-fin weatherstripping virtually eliminates air and water infiltration
Premium vinyl resists salt air, humidity, and UV damage
Available in 2-lite and 3-lite (end vent slider) configurations
Removable sash for easy exterior cleaning
Corrosion-resistant hardware and sill track
SafePoint® impact-rated glass options available for storm protection
Custom-built to exact size for a perfect fit
Lifetime Limited Warranty and AAMA Gold Certified

Simonton Collections

Choose Your Collection

We offer two Simonton slider collections to match your home's needs and budget.

Simonton 5500

Most Popular

Traditional beveled frame design with superior strength and advanced energy efficiency. Available in 2-lite and 3-lite configurations. Wide range of colors and hardware finishes to complement any home style.

  • ENERGY STAR® qualified glass packages
  • 9 exterior colors + woodgrain interiors
  • 2-lite and 3-lite end vent configurations
  • Corrosion-resistant hardware

StormBreaker Plus®

Coastal Impact

Hurricane-rated slider windows with SafePoint® Max laminated glass for coastal South Carolina homes. Provides impact protection without the need for shutters, while also reducing noise and blocking UV rays.

  • Certified Missile D impact rating
  • SafePoint® Max laminated glass
  • 50% sound reduction (STC 35)
  • Deflects 99% of UV rays

Why Simonton

America's Most Trusted Window Brand

75+ Years of Excellence

Simonton has been manufacturing premium vinyl windows for over 75 years with a reputation for quality.

AAMA Gold Certified

Every window is verified to meet industry-leading AAMA Gold Certification standards for durability.

ENERGY STAR® Qualified

Region-specific glass packages meet ENERGY STAR guidelines for optimal energy performance.

Lifetime Limited Warranty

Backed by a comprehensive Lifetime Limited Warranty on vinyl, hardware, and glass.

FAQ

Slider Window FAQs

Ready to Transform Your Home?

Ready for New Simonton Slider Windows?

Get a free in-home estimate from Charleston's most trusted Simonton window dealer.

5 Stars on Google
1,000+ Windows Installed
Lifetime Warranty
Locally Owned