Arched or half-circle windows add architectural charm but can be tricky to cover. The following half-moon window shades combine blackout capabilities, easy installation, and customizable sizing to fit radii from 6 to 36 inches. Each product below is designed to reduce light, improve privacy, and help regulate indoor temperatures without drilling or tools. Use the quick reference table to compare options at a glance.
| Product | Brand | Size / Radius | Color | Highlights |
|---|---|---|---|---|
| Myshade Arch Window Shades Half Circle Blackout | MYshade | 72″W x 36″H (radius 36″) | White | Cordless, no drill, easy install, room darkening |
| Grandekor No Drill Arch Window Shades Blackout | Grandekor | 48″W x 24″H (radius 24″) | White | DIY cutting, heat and light control, privacy |
| Grandekor Half Circle Arch Window Shade Blackout | Grandekor | 72″W x 36″H (radius 36″) | White | Easy install, honeycomb insulation, light blocking |
| Myshade Arch Window Shades Half Circle Blackout | MYshade | 48″W x 24″H (radius 24″) | Black | Cordless, no drill, privacy |
| Arch Window Shade Radius 18 inch Half Circle | Maritown | 12″ x 12″ flat to 18″ radius | Unspecified | Self-adhesive, easy to install, light filtering |
Myshade Arch Window Shades Half Circle Blackout 1PC
This Myshade half-circle shade uses durable non-woven fabric with a laminated aluminum foil for complete blackout and privacy. The 36-inch radius fits arched windows and can be trimmed for irregular shapes. It includes accessories to prevent tilting or falling and is installed with double-sided tape—no tools required. The cordless design enhances safety in homes with children and pets, and the white color complements modern interiors.
Grandekor No Drill Arch Window Shades Blackout 48X24
Grandekor’s No Drill Arch shade is crafted from white non-woven fabric with an inner honeycomb design and laminated aluminum foil. It provides room darkening, light control, privacy, and thermal insulation. The kit supports DIY sizing for arched windows with radii 6 to 24 inches, with clear guidance to cut to fit. It emphasizes warmth retention in winter and cooler interiors in summer, while maintaining a sleek, clean appearance.
Grandekor Half Circle Arch Window Shade Blackout 72X36
This 72×36 Grandekor shade shares the brand’s premium design, featuring a white, durable non-woven fabric and a honeycomb inner structure for passive insulation. The shade blocks light effectively and supports privacy while offering an easy, no-drill installation. The DIY-cut option enables exact sizing for arched windows, reducing edge light leakage when fitted to radii between 6 and 24 inches before trimming to the final radius.
Myshade Arch Window Shades Half Circle Blackout 1PC Black 24″
The black 24-inch radius Myshade shade shares the cordless, tool-free installation approach. It uses a durable non-woven fabric with a laminated aluminum film for complete blackout and privacy. The product is designed for arched windows with radii from 6 to 24 inches, and like its larger sibling, includes accessories to prevent tilting or falling and double-sided tape for simple mounting.
Maritown Arch Window Shade Radius 12 Inch
Maritown offers a 12-inch unit that unfolds into a 12-inch radius arch shade. It attaches with double-sided adhesive, allowing quick, tool-free installation. The thick non-woven fabric filters 40-60% of light and helps block heat while protecting privacy. It’s positioned as an accessible option for smaller arched openings or decorative applications, with a focus on simple, no-tool setup.
Buying Guide: Key Considerations And Comparisons
- Light Blocking Efficiency: Look for laminated aluminum foil or dual-sided coatings for stronger blackout performance, especially for bedrooms or media rooms. Honeycomb (cellular) designs improve insulation and reduce heat transfer in seasonal changes.
- Radius And Sizing: Half-circle shades come in radii from 6 to 36 inches. Always measure your arch/window width and radius, then choose a shade that can be trimmed or cut to fit. Some products offer DIY cutting to match exact radii.
- Installation Method: No-drill, adhesive-backed shades deliver quick, tool-free setup, but verify surface compatibility (smooth, clean frames are usually best). Double-sided tape is common and helps prevent tilting or falling.
- Privacy And Safety: Cordless designs are safer for homes with children or pets. For fully private interiors, seek blackout materials and non-translucent fabrics.
- Durability And Maintenance: Non-woven fabrics are commonly used for arch shades; check for color consistency, resistance to sagging, and ease of cleaning or dusting.
- Color And Aesthetic: White shades tend to blend with most interiors, while black or darker shades provide a sharper contrast. Consider whether you want the shade to be visible from the outside at night or blend into the wall color.
- Edge Results: Edges may leak light if the window radius is not perfectly matched. Some kits include trim guidance; ensure precise measurement before cutting to avoid gaps.
These options emphasize easy installation, privacy, and energy efficiency for half-circle windows. When choosing, balance the need for light control with the arched radius and the overall interior style. The products above provide cordless operation, no-drill installation, and DIY sizing, making them suitable for a range of residential settings across the United States.