Best Shades for Arched Windows That Fit Any Radius
Arched or half-round windows bring architectural charm but require custom-fitting shades. This guide highlights five top-rated options suitable for radii from 6 to 36 inches, offering blackout or light-filtering performance, easy DIY installation, and durable materials. Each product below is designed to install with minimal tools, while providing room-darkening privacy and energy-saving benefits.
| Product | Radius Range | Shade Type | Visible Color |
|---|---|---|---|
| MYshade Arch Window Shades (72″ x 36″) | 6–36 inches | Blackout Cellular | White |
| HOMEDEMO Arch Window Shade (48″ x 24″) | Suitable for half-round arches | Blackout Cellular | White |
| Redi Shade No Tools Arch | 72″ x 36″ | Light Blocking Pleated | White |
| Touri Arch Window Light Filtering Shade (72″ x 36″) | Maximum 36″ radius | Light Filtering Pleated | White |
| Maritown Arch Window Shade (36″ x 18″) | Up to 36″ radius | Blackout Cellular | White |
MYshade Arch Window Shades Half Circle Blackout (72″ x 36″)

These arch honeycomb blackout shades are built from durable non-woven fabric for long-lasting performance and easy maintenance. A laminated aluminum foil layer ensures complete blackout and privacy protection. Designed for half-round windows with a 36″ radius, they fit radii ranging from 6 to 36 inches. They can be trimmed to accommodate irregular arches, and include accessories to prevent tilting or falling. A sturdy double-sided tape eliminates the need for complex tools during installation.
HOMEDEMO Arch Window Shade Blackout White (48″ x 24″)

The HomeDemo arch shade uses strong adhesive Velcro strips for easy detachment and cleaning. It provides 100% blackout with a reflective aluminum foil layer and offers improved insulation and noise reduction. The kit includes two Velcro strips, a support bracket, a measuring tape, and two clips. No drilling is required, making installation quick and tool-free for most arch windows.
Redi Shade No Tools Arch Light Blocking

Redi Shade offers a simple trim-at-home solution with no-tools installation. The half-round shade is designed to be trimmed to fit, then peeled and stuck for a permanent setup. It delivers effective light control, privacy, and UV protection and uses a non-woven polyester fabric with a heat-reflective layer to enhance performance on arched windows.
Touri Arch Window Light Filtering Shade (72″ x 36″)

This light-filtering shade provides 60%–70% light reduction, creating a private and pleasant room environment while protecting furniture from UV rays. It’s easy to cut and install with included tape, though the window radius should be confirmed as suitable for a 36″ semicircle. It’s sized to accommodate most standard arch windows up to a 36″ radius.
Maritown Arch Window Shade Half Circle (36″ x 18″)

This blackout cellular shade comes in multiple sizes and colors, with an upgraded two-sided color honeycomb design. It features a built-in silver coating for effective light and heat blocking on both sides. It includes a fixed arched bracket and strong double-sided tape, enabling stable, tool-free installation without complex tools. The shade is designed to fit radii up to 36 inches and can be trimmed for irregular arches.
Buying Guide: Key Purchase Considerations For Arched Windows
When selecting shades for arched windows, consider fit, installation, and performance. The following perspectives help cover common needs and scenarios:
- Shade Type: Choose blackout cellular or pleated shades for privacy and light control. For rooms needing complete darkness, prioritize built-in blackout features and reflective layers.
- Radius Compatibility: Confirm the shade’s stated radius range (e.g., 6–36 inches) matches your window. Some products offer trim-to-fit options for irregular arches.
- Installation Method: Tools-free installations using Velcro, double-sided tape, or clip brackets are ideal for DIY setups. If you prefer a more permanent solution, look for trims and mounting hardware that secure the shade firmly.
- Material Durability: Non-woven fabrics with aluminum foil or reflective layers improve privacy, insulation, and UV protection. Consider two-sided or double-layer designs for added durability.
- Light Control vs. Filtering: Decide between 100% blackout or light-filtering shades. Light-filtering options reduce glare while still offering some visibility and ambiance.
- Energy Efficiency: Insulating layers help regulate indoor temperatures, potentially reducing energy costs and improving comfort year-round.
- Cleaning and Maintenance: Removable or easy-clean designs with simple detachment simplify upkeep. Adhesive systems should be durable but replaceable if needed.
- Color and Aesthetic: White shades blend with most interiors and reflect heat, but consider the overall room design. Two-tone or white-backed options may provide a cleaner look on the outside.
Handy tips for best results include measuring your arch radius precisely, accounting for any irregularities in the window frame, and testing a small section of adhesive or tape before full installation. For renters or situations requiring quick swaps, tool-free solutions offer the greatest flexibility without compromising performance.