For nearly 100 years, Pella has crafted products with one purpose in mind — to help you create beautiful spaces that make life’s favorite moments more comfortable and enjoyable. Pella® Impervia® products are engineered to last with sleek, timeless style.
This fiberglass double-hung window features lasting strength and durability with sleek, timeless style
SunDefense Low-E glass is best used in hot, sunny climates and helps block the heat of the sun; it blocks 94% of UV rays
Both upper and lower sashes open and tilt in for easy cleaning from the interior of the home and improved ventilation
Windows are constructed from an incredibly strong, proprietary fiberglass material; featuring an energy-efficient foam-filled sash and frame for added comfort
Exclusive cam-action lock design improves the security of the window and creates a stronger seal by reaching out and grabbing the opposing sash and pulling it into the other sash
A cam-action lock reengages the sashes and pulls them against the weatherstripping to ensure a reliable weathertight seal
For added strength, durability and reliable water performance, Pella Impervia products are secured with corner locks, metal fasteners and injected with sealant
Ready to install and completely assembled for easy nail fin installation for new construction applications
Pella Impervia windows are backed by a national brand with one of the strongest warranties in the industry