PRODUCTS
THE EXPANSE™ WINDOW SYSTEM
Expanse™ Porch Windows are designed for a 3-Season Room. This is defined as a non-insulated room with multiple screens, window panes or storm windows.
This is also known as a Category II space, in which the space is uninhabitable, unconditioned, and thermally isolate from the main structure; walls are enclosed; openings are enclosed with plastic or glass.
RETROFITTED
More than half of our business comes from retrofitting the expanse™ window system into existing porch or lanai spaces. Porchwerx LLC make your existing porch even better with the versatility and view these windows provide. Have your contractor get a hold of us today!
NEW CONSTRUCTION
Your new home deserves an ultimate porch space. Your ultimate porch begins with the expanse™ window system. Porchwerx LLC can take your vision and help your builder make it a reality. We provide builders with the windows and support they need to give you amazing views and element protection.



EXPLORE THE BENEFITS OF EXPANSE™


The photos above are from the same neighborhood. The left image is an Expanse™ window porch and image on the right is a vinyl four-track product porch. Take a look and see the benefits of choosing the Expanse™ porch window system. Expanse units are easy to install and come in custom sizes that deter moisture.
Expanse™ Porch Windows | Vertical Four Track |
---|---|
Double strength 3/16” safety glass | 10 mil vinyl |
Clear Unobstructed View – retractable screens | Exposed Full Screen |
Clean Lines – 1 Center Meeting Rail | 3 Horizontal and Vertical Lines |
Scratch and Mar Resistant Glass | Vinyl Skin |
Clean With Any Household Cleaner | Manufacturer’s Cleaner/Conditioner Must Be Used |
Easy to Clean Glass | Must Remove Vinyl Panels to Clean |
Full 3” T-6 Aluminum Frame | Aluminum Screw Flange |
6 Standard Sizes in Stock | Custom Sizes Only |
Maximum Custom Size 72” x 96” | Maximum Size 60” x 80” |
DP Rating up to 45 | No DP Rating |
90 MPH Wind Load | Remove Panels at 65 MPH |
Aircraft Cable Counterbalance | |
Patented Quad Pulley System |
Porch EnclosureS • Screened In PorchES
LanaiS • 3 Season Spaces
THE ExPANSE™ WINDOW SYSTEM FEATURES
An Innovative design
The dual sash panels are uniquely designed to optimize natural airflow and comfort. Easy to operate, the retractable panels simply disappear when closed.
Retractable screens
The dual sash panels are uniquely designed to optimize natural airflow and comfort. They provide protection from bugs and other outside elements while enjoying top and bottom ventilation, with the added ability to seal the porch from the weather when needed.
EASY VENTILATION
The patented dual sash panels are uniquely designed to optimize natural airflow and comfort. This retractable screen technology lets fresh air in and keeps the bugs out.
BEYOND ExPANSE™ - FIXED GLASS WINDOWS
Ideal for knee walls, transoms, sidelites, filler board, and specialty shapes.

For job-specific fixed glass window needs, to fill the spaces around your expanse install, please contact us. We’re here to get you the answers you need.