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RevoCell®
Our hung windows feature a solid microcellular PVC construction that offers the window extra strength and insulation. This technology allows manufacturing windows that are more energy-efficient, brighter, and stronger.
More Efficient.
We build our windows for maximum indoor comfort, year-round. Our RevoCell hung windows lead national charts with the highest Energy Rating (ER) with both double and triple-pane glass – in standard configuration!
Energy Rating (ER)
Stronger.
Our window frames, sashes, mullions, and brickmoulds are solid inside, which makes then stronger than the typical hollow chambers used in PVC replacement windows. All of our windows come standard with a 4½” deep frame, 38% more than the industry standard of 3¼”. This makes them more rigid and help seal the wall opening better.
As a result, our hung windows achieve Performance Grade of 40, levels above the nearest competitors.
Brighter.
The extra strength of microcellular PVC allows manufacturing our hung windows with slimmer frames and sashes. This adds an extra 1½” of glass in each dimension compared to ordinary PVC windows. Our internal mullions are only 4½” wide, as opposed to the usual 6-7”. And our glass is clearer. As a result, you get more glass, and more natural light inside your home.
Isn’t that what you put windows in your wall for?
RevoCell® Hung Window Features
Space-saving, durable, and energy-efficient, our RevoCell® tilt-in hung windows have been specifically designed for the Canadian climate extremes. Here are some features that make them exceptional:
Solid-core Microcellular PVC Frame
The solid-core microcellular PVC frame is 4.5”, deeper than the usual 3.25”, making a window that’s stronger and seals the rough opening better.
Triple Weatherstripping
Triple weatherstripping at the window frame and sash interface provide top weather protection.
Double-Pane / Triple Pane Option
Our hung windows are available with double-pane or triple-pane glass and filled with 98% environmentally-friendly Argon gas.
Minimize Heat Transfer
Our insulated glass units use a top-performance cellular warm-edge spacer to minimize direct heat transfer.
Low-e Coatings
Our super-clear low-iron glass allow more visible light through, while low-e coatings help reflect back heat.
mPVC Jamb and Sill Extension
Jamb and sill extension in cellular PVC, matching the window finish, that won’t rot or warp like wood.
Removable Sash
The operable sash on our hung window is removable for easy cleaning from the interior.
Trouble-free Operation
The constant force spring balancing system allows for easy and trouble-free operation.
Integrated Latches
The integrated latches secure the operable sash to the window frame.
Extra Security
The decorative cam action locks provide extra security.
Easy-Remove Screens
The screens on our slider windows are easily removable and require no fastening hardware.
Integrated Brickmould Option
Brickmould available as an option for select installations.
Your choice of colour
Most homeowners get their replacement windows in stock white, which is a great all-around colour. But you don’t have to: we offer a comprehensive selection of durable factory finishes on RevoCell® windows, to suit any home style. And if these don’t work for you, custom paint is always an option.
RevoCell® Hung / Slider Window Colours
Click Swatch to preview colour.
Energy Efficient Hung Windows
The manufacturing process of all Energy Star® certified double hung windows installed by Verdun Windows and Doors are audited by an independent accredited certification body and approved by Natural Resources Canada. Our windows and doors carry the Energy Star® label showing their rating.
All of our RevoCell® mPVC windows meet and exceed the latest Energy Star designation criteria in Canada.
Hung Window Ratings
Here are the ratings on our standard Hung windows, to CAN/CSA-A440.00 and NAFS-11 standards:
| Window Model | Double-pane hung | Triple-pane hung |
|---|---|---|
| Air Tightness | A3 | A3 |
| Forced Entry Resistance | F10 | F10 |
| Performance Class | R | R |
| Performance Grade | 40 | 40 |
| U-factor Btu/ft²•hr•F° | 0.27 | 0.17 |
| Energy Rating (ER) | 40 | 48 |
| NRCan reference # | 37096718 | 37096726 |
| ENERGY STAR rated | 2025 Most Efficient | 2025 Most Efficient |
Grilles Patterns and Styles
In the old days, large panes of glass could not be manufactured cost-efficiently, so windows were filled with many smaller pieces of glass held in the sash by bars called muntins. These divided lite looks have become a sought-after architectural element, especially on traditional home styles. Take advantage of our window customization expertise to elevate the look of your new windows.
Internal grilles are installed between the panes of glass, inside the the insulated glass unit. This allows for the easiest window cleaning. Our internal grilles are available in a variety of profiles, sizes, and finishes.
Simulated Divided Lites (SDL) are external grilles. They are applied on the exterior of the insulated glass unit and give a more realistic muntin appearance. Like internal grilles, our SDL’s are available in multiple profiles and finishes.
Grille Patterns
Rectangular
This classic divided-lite look offers a traditional Old-World aesthetic. Works equally well on traditional and newer homes, adding a timeless elegance.
Partial Covering
Our grilles can be aplied to a portion of the window only. Combined with an SDL profile, you can also reproduce a hung sash appearance on a casement window.
Contour
Contour grilles go around the perimeter of the sash. Often associated with the Prairie School style, they add a artsy touch that’s distinctively North American.
Diamond Patterned
The diamond pattern can add an artistic touch to a traditional home. The understated charm of thin grilles adds extra interest from up close.
Divided Lites
Our grilles can be aplied to a portion of the window only. Combined with an SDL profile, you can also reproduce a hung sash appearance on a casement window.
Speciality Glass
We also offer some alternatives to clear glass in your windows. Tinted glass can be used to lower light levels, or to alter the colour balance indoors. Textured glass adds a degree of privacy as well as decorative interest, while letting natural light inside.
Bronze Glass
Grey Glass
Frosted Glass
Gluechip Glass