| Item No | Size (mm) | Cut Out Corner Radius |
| 71C55A | 300x500 | 4R70 |
| 71C55B | 500x300 | 4R70 |
| 71C55C | 500x350 | 4R70 |
| 71C55D | 450x500 | 4R70 |
| 71C55E | 610x450 | 4R70 |
| 71C55F | 500x450 | 4R70 |
| 71C55G | 500x500 | 4R70 |
| 71C55H | 600x600 | 4R70 |
| 71C55I | 700x300 | 4R70 |
| 71C55J | 700x400 | 4R70 |
| 71C55K | 700x600 | 4R70 |
| 71C55L | 700x800 | 4R70 |
| 71C55M | 900x450 | 4R70 |
| 71C55N | 900x500 | 4R70 |
| 71C55O | 900x550 | 4R70 |
| 71C55P | 900x600 | 4R70 |
| 71C55Q | 900x900 | 4R70 |
| 71C55R | 1000x500 | 4R70 |
| 71C55S | 1000x600 | 4R70 |
| 71C55T | 1000x800 | 4R70 |
| 71C55U | 1100x450 | 4R70 |
| 71C55V | 1100x550 | 4R70 |
| 71C55W | 1200x350 | 4R70 |
| 71C55X | 1200x500 | 4R70 |
| 71C55Y | 1300x600 | 4R70 |
| 71C55Z | 1450x550 | 4R70 |
Sleeping in a trailer fitted with an integrated‑forming RV acrylic hinged window is a transformative experience. Compared to conventional framed glass windows, this type of acrylic unit opens wider on its hinge, weighs less, and transfers far less heat and cold. The outward‑hinged design also allows the sash to be propped fully open in rain or even light snow while still keeping the interior dry and well ventilated. Since that first setup, integrated‑forming RV acrylic hinged windows have become a standard feature in every trailer built afterward.
1. Lightweight construction
The acrylic pane and integrated-forming frame significantly reduce overall window weight compared to traditional framed glass units, helping improve RV fuel efficiency and payload capacity.
2. Enhanced thermal insulation
The double- or multi-layer acrylic structure reduces heat and cold transfer, helping maintain a more stable interior temperature and reducing HVAC load.
3. Wide opening angle
The hinged design allows the sash to open outward at a large angle, maximizing airflow and natural ventilation inside the RV.
4. All-weather ventilation
The outward-opening acrylic panel can be set at multiple positions, allowing ventilation even in rain or light snow while keeping the interior dry.
5. Aerodynamic, seamless design
Integrated forming creates a smooth, low-profile frame-to-body transition, improving aerodynamics and reducing wind noise at highway speeds.
6. UV and impact resistance
The acrylic material offers good resistance to UV degradation and minor impacts from debris, helping the window maintain clarity and structural integrity over time.
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Homku is a subsidiary of Homful Group. We are committed to providing high-quality RV parts products. Please contact us through the form below or email to inquire about the products you are interested in. Our customer service will answer your questions within 24 hours.