
1-800-966-9261
Starting from $268.00
Liftgate delivery to your address
Custom built to your exact opening size
Backed by Porch Conversions warranty
The V-4 is the go-to window for screen porch and sunroom enclosures where you want clear views, fresh air, and real weather protection — all in one unit. Unlike fixed glazing, the V-4’s memory vinyl panels slide on four independent tracks, so you can open as much or as little of the window as you want. On a nice day, stack all 4 panels at the top. When rain comes in, close it completely in seconds.
The heavy-duty extruded aluminum frame is electrostatically painted — it won’t peel, chip, or chalk like painted aluminum from lesser manufacturers.
Windows are custom made to your openings with widths from 12 to 65 inches and heights to 110 inches, depending on width. If you’re looking for an alternative to Eze-Breeze or similar vinyl porch window systems, these windows are built to the same standard — heavy-duty aluminum, proper memory vinyl, and full exterior screen included — at a competitive price point with direct-to-customer shipping.

Manufacturer · Made in USA
Porch Conversions has been manufacturing premium porch enclosure systems for decades. Their Triple Horizontal Side Slider series handles the widest openings in the line — from standard bay sections to full-wall porch conversions.
| Available Widths | 12″, 24″, 30″, 36″, 42″, 48″, 54″, 60″, 65″ |
| Available Heights | 30″–90″ or 30″–110″ depending on width (see pricing tab) |
| Window Type | Vertical 4-Track Horizontal Slider |
| Frame Material | Heavy-duty extruded aluminum |
| Finish | Electrostatic paint — chip, peel, and UV resistant |
| Frame Colors | White, Bronze, Clay, Black, Tan |
| Vinyl Colors | Clear, Light Gray, Dark Gray, Bronze |
| Vinyl Type | Memory Vinyl — shatterproof, UV-filtering, flexible |
| Vents | 3 vents at smaller heights, 4 vents at taller heights (varies by width) |
| Screen | Full exterior fiberglass mesh screen included |
| Warrantyt | Manufacturer warranty — see warranty documents |
| Lead Time | 4–5 weeks (custom made to order) |
| Shipping | Common carrier freight, liftgate delivery nationwide |
| Width | Height | Price | Vents | Notes |
|---|---|---|---|---|
| 24″ | 30″ | $268.00 | 3 vents | — |
| 24″ | 36″ | $282.00 | 4 vents | — |
| 24″ | 42″ | $302.50 | 4 vents | — |
| 24″ | 48″ | $315.50 | 4 vents | — |
| 24″ | 54″ | $338.00 | 4 vents | — |
| 24″ | 60″ | $354.50 | 4 vents | — |
| 24″ | 66″ | $373.00 | 4 vents | — |
| 24″ | 72″ | $390.00 | 4 vents | — |
| 24″ | 78″ | $418.00 | 4 vents | — |
| 24″ | 84″ | $436.00 | 4 vents | — |
| 24″ | 90″ | $450.00 | 4 vents | — |
| 24″ | 96″ | $467.50 | 4 vents | — |
| 24″ | 102″ | $501.00 | 4 vents | — |
| 30″ | 30″ | $282.00 | 3 vents | — |
| 30″ | 36″ | $302.50 | 3 vents | — |
| 30″ | 42″ | $315.50 | 3 vents | — |
| 30″ | 48″ | $338.00 | 3 vents | — |
| 30″ | 54″ | $354.50 | 4 vents | — |
| 30″ | 60″ | $373.00 | 4 vents | — |
| 30″ | 66″ | $390.00 | 4 vents | — |
| 30″ | 72″ | $418.00 | 4 vents | — |
| 30″ | 78″ | $436.00 | 4 vents | — |
| 30″ | 84″ | $455.50 | 4 vents | — |
| 30″ | 90″ | $475.00 | 4 vents | — |
| 30″ | 96″ | $501.00 | 4 vents | — |
| 30″ | 102″ | $519.00 | 4 vents | — |
| 36″ | 30″ | $302.50 | 3 vents | — |
| 36″ | 36″ | $315.50 | 3 vents | — |
| 36″ | 42″ | $338.00 | 3 vents | — |
| 36″ | 48″ | $354.50 | 3 vents | — |
| 36″ | 54″ | $373.00 | 4 vents | — |
| 36″ | 60″ | $390.00 | 4 vents | — |
| 36″ | 66″ | $418.00 | 4 vents | — |
| 36″ | 72″ | $436.00 | 4 vents | — |
| 36″ | 78″ | $455.50 | 4 vents | — |
| 36″ | 84″ | $467.50 | 4 vents | — |
| 36″ | 90″ | $501.00 | 4 vents | — |
| 36″ | 96″ | $518.50 | 4 vents | — |
| 36″ | 102″ | $549.00 | 4 vents | — |
| 42″ | 30″ | $315.50 | 3 vents | — |
| 42″ | 36″ | $338.00 | 3 vents | — |
| 42″ | 42″ | $354.50 | 3 vents | — |
| 42″ | 48″ | $373.00 | 3 vents | — |
| 42″ | 54″ | $390.00 | 3 vents | — |
| 42″ | 60″ | $418.00 | 4 vents | — |
| 42″ | 66″ | $436.00 | 4 vents | — |
| 42″ | 72″ | $455.50 | 4 vents | — |
| 42″ | 78″ | $467.50 | 4 vents | — |
| 42″ | 84″ | $501.00 | 4 vents | — |
| 42″ | 90″ | $519.00 | 4 vents | — |
| 42″ | 96″ | $549.00 | 4 vents | — |
| 42″ | 102″ | $551.50 | 4 vents | — |
| 48″ | 30″ | $338.00 | 3 vents | — |
| 48″ | 36″ | $354.50 | 3 vents | — |
| 48″ | 42″ | $373.00 | 3 vents | — |
| 48″ | 48″ | $390.00 | 3 vents | Center bar |
| 48″ | 54″ | $418.00 | 3 vents | Center bar |
| 48″ | 60″ | $436.00 | 4 vents | Center bar |
| 48″ | 66″ | $455.50 | 4 vents | Center bar |
| 48″ | 72″ | $467.50 | 4 vents | Center bar |
| 48″ | 78″ | $501.00 | 4 vents | Center bar |
| 48″ | 84″ | $518.50 | 4 vents | Center bar |
| 48″ | 90″ | $549.00 | 4 vents | Center bar |
| 48″ | 96″ | $560.00 | 4 vents | Center bar |
| 48″ | 102″ | $575.00 | 4 vents | Center bar |
| 54″ | 30″ | $354.50 | 3 vents | — |
| 54″ | 36″ | $373.00 | 3 vents | — |
| 54″ | 42″ | $390.00 | 3 vents | — |
| 54″ | 48″ | $418.00 | 3 vents | Center bar |
| 54″ | 54″ | $436.00 | 3 vents | Center bar |
| 54″ | 60″ | $455.50 | 4 vents | Center bar |
| 54″ | 66″ | $467.50 | 4 vents | Center bar |
| 54″ | 72″ | $501.00 | 4 vents | Center bar |
| 54″ | 78″ | $518.50 | 4 vents | Center bar |
| 54″ | 84″ | $549.00 | 4 vents | Center bar |
| 54″ | 90″ | $560.00 | 4 vents | Center bar |
| 54″ | 96″ | $575.00 | 4 vents | Center bar |
| 60″ | 30″ | $373.00 | 3 vents | — |
| 60″ | 36″ | $390.00 | 3 vents | — |
| 60″ | 42″ | $418.00 | 3 vents | — |
| 60″ | 48″ | $436.00 | 3 vents | Center bar |
| 60″ | 54″ | $455.50 | 3 vents | Center bar |
| 60″ | 60″ | $467.50 | 4 vents | Center bar |
| 60″ | 66″ | $501.00 | 4 vents | Center bar |
| 60″ | 72″ | $518.50 | 4 vents | Center bar |
| 60″ | 78″ | $549.00 | 4 vents | Center bar |
| 60″ | 84″ | $560.00 | 4 vents | Center bar |
| 60″ | 90″ | $575.00 | 4 vents | Center bar |
| 60″ | 96″ | $587.00 | 4 vents | Center bar |
| 65″ | 30″ | $373.00 | 4 vents | — |
| 65″ | 36″ | $390.00 | 4 vents | — |
| 65″ | 42″ | $418.00 | 4 vents | — |
| 65″ | 48″ | $436.00 | 4 vents | Center bar |
| 65″ | 54″ | $455.50 | 4 vents | Center bar |
| 65″ | 60″ | $467.50 | 4 vents | Center bar |
| 65″ | 66″ | $501.00 | 4 vents | Center bar |
| 65″ | 72″ | $518.50 | 4 vents | Center bar |
| 65″ | 78″ | $549.00 | 4 vents | Center bar |
| 65″ | 84″ | $560.00 | 4 vents | Center bar |
| 65″ | 90″ | $575.00 | 4 vents | Center bar |
A V-4 is a vertical 4-track sliding porch window with memory vinyl panels in an aluminum frame. It’s designed for screen porches and sunroom enclosures — providing weather protection and visibility with ventilation when open. It’s a popular alternative to Eze-Breeze and similar 4-track vinyl window systems.
Yes. You provide your rough opening measurements and we manufacture the window to fit. Standard deduction is 1/4″ from both height and width to guarantee proper fit with room for the mounting fin.
Measure your opening at three points in each direction — top, middle, and bottom for width; left, center, and right for height. Use the smallest measurement. Allow at least 7/8″ clearance around the perimeter for the mounting fin. Email us your sizes and we’ll send a written estimate before you commit.
Memory vinyl is a flexible, shatterproof vinyl material used for the sliding panels. It’s UV-filtering and impact-resistant — it won’t crack like rigid plastic, and it returns to shape after flexing. It’s commonly used in premium vertical 4-track systems like Eze-Breeze.
No. These windows are custom manufactured to your specifications and cannot be returned or cancelled once production begins. We send you a written estimate with all specifications for your approval before we start — so review it carefully before confirming.
At smaller heights, the window has 3 vinyl panels (vents). At taller heights, a fourth panel is added. The exact cutoff depends on width. 4 vents provide better airflow control and improved ventilation for larger openings.
You can mix and match freely — frame color and vinyl color are independent choices. A common combination is White frame with Clear vinyl for maximum light, or Bronze frame with Bronze vinyl for a matching look. Color does not affect pricing.
Yes. We also offer cabana-style doors and French doors designed to match the V-4 window system. Contact us for pricing if you’d like doors included with your window order.
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