WeatherLok Windows Features:
  • WeatherLok vinyl windows and doors will never chip, peel, fade, crack or rot.
  • Transferrable limited lifetime warranty.
  • Rigid vinyl construction and fusion welded sashes and frames.
  • Low-E glass with argon gas keeps indoor temps. comfortable and consistent.
  • Exclusive Insulkor™ polyurethane fiberglass - enriched sash reinforcement for superior thermal and structural performance (series 3900).
  • Tilt-in top and bottom sashes make cleaning safe and easy for inside the home.
  • Insulated glass panels with optimum thermal air space featuring warm-edge space system.
  • Super Spacer®, NXT™ sealant system creates insulated glass panels with maximum thermal performance and surpassed condensation resistance (series 3500).
  • Sloped sill for easy run off.
  • Air filtration is minimized by interlocking sashes.
  • Sashes feature heavy duty, spring-loaded night latches, plus positive-action deluxe can locks (series 3500).

Replacement Windows

WeatherLok Windows are high performance replacement and new construction windows that are beautifully simple and remarkably affordable. WeatherLok windows offer exceptionally high performance, and are engineered to provide outstanding energy efficiency, exceptional strength and lasting durability.

Maintaining wood-framed windows and doors can be a never-ending task. Fortunately there's an alternative, WeatherLok vinyl windows and doors. They never chip, peel, fade, crack or rot, so they're easier to install, work better and last longer.
WeatherLok windows strike the perfect balance between total comfort and smart style.
No need to choose between style and energy-savings, get the best of both worlds with WeatherLok windows!

WeatherLok vinyl windows and doors also come in a wide variety of designs, glass options and colors to enhance any building style or decor. And to top it all off, we back our vinyl windows and doors with a transferrable limited lifetime warranty.

Every WeatherLok product goes through a rigorous process of quality control to be certain it meets our superior standards. In our ceaseless pursuit of excellence, WeatherLok continually looks for ways to make the best even better. This means ongoing research and development and constant engineering advances. We do all of this so that our vinyl windows and doors stand up to the ultimate building standards - yours.

It is what you don't see that makes WeatherLok more energy efficient - high-performance warm-edge system. The secret is the insulated glass spacer with warm-edge design hidden within the frame of each WeatherLok window and door that keeps heat and cold from passing through the glass panes.