Need window replacement in Texas that’s built for extreme heat, wind, and weather? The Pella Impervia Series uses a commercial-grade fiberglass frame that’s stronger than wood, aluminum, or vinyl — perfect for homes in Houston, Dallas, San Antonio, or anywhere the weather hits hard.
If you want durability without sacrificing a clean, modern look — Pella Impervia is built for you.
Made from Pella’s exclusive Duracast® fiberglass composite
Outperforms wood and vinyl in strength and stability
Designed to handle Texas summer heat, high winds, and humidity
Will not warp, crack, corrode, or expand — even in extreme conditions
This makes Impervia a great choice for coastal Texas homes, storm-prone areas, or anyone tired of window problems.
With Low-E glass + Argon gas, Pella Impervia helps lower indoor temps and reduce strain on your HVAC.
Performance Ratings:
U-Factor: as low as 0.26 – meets ENERGY STAR® for Texas
SHGC: as low as 0.20 – blocks harsh solar heat
DP Rating: 50 – high wind and pressure resistance
Texas-tested and Texas-tough.
Sleek, narrow frames give you more glass, less frame — ideal for modern homes.
Choose from clean finishes like matte black, white, brown, and tan to match today’s design trends.
No paint, no sanding, no cracking. Impervia’s finish resists chalking, fading, and weather damage — a must-have in high UV zones like Central and South Texas.
From traditional homes in Fort Worth to new builds in Austin, Impervia windows install smoothly and fit a variety of home styles.
Experts in fiberglass window replacement for Texas homes
We handle everything — just send photos to get started
Local knowledge of storm zones, building codes, and weather extremes
Serving Dallas–Fort Worth, Houston, Austin, and all of Texas
When strength matters most, choose the fiberglass window that’s made to last.
Send us your window photos now to get a personalized quote for Pella Impervia — fast, easy, and built for Texas.
The Pella Impervia Series is designed for homeowners who need uncompromising strength and modern style. Made with Pella’s exclusive Duracast® fiberglass composite, Impervia windows perform in extreme climates while maintaining a refined appearance.
Material: Duracast® fiberglass (engineered 5-layer composite)
Glass: Dual-pane Low-E with Argon gas (SmartSun™ available)
Warranty: Limited Lifetime Warranty
U-Factor: 0.26 (varies by location) – ENERGY STAR® certified
SHGC: 0.20 (varies by location) – ENERGY STAR® certified
DP Rating: 50
Jamb Depth: 3 1/4"
Operation: Single hung, non-tilt sash
Sizes: Custom sizes available
Colors: See Color Wheel
Country of Origin: Made in the USA
Fiberglass Strength: More durable than wood, aluminum, or vinyl — resists warping, cracking, and swelling.
Modern Aesthetic: Narrow sightlines and smooth matte finish for a sleek, architectural look.
Low Maintenance: Will not corrode, peel, or chalk — even in high-heat zones.
Energy Efficient: Excellent thermal insulation helps lower energy costs in both hot and cold conditions.
Ideal for Tough Environments: Withstands extreme temperatures, heavy winds, and strong sun exposure.
Pella Impervia is a top-tier option for homeowners who want long-term durability, low maintenance, and strong curb appeal in one package.