Custom Arched Cornice Board

Sera Linen Arched Cornice Board

Custom Arched Cornice Board

1 Fabric & Design
Draperfect Fabrics
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Jacquard
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Artist & Fabric Partner Design
Sera Linen Arched Cornice Board
Product Description

The Arched Cornice Board brings a graceful curve to the top edge, echoing the shape of arched and Palladian windows while grounding the space with structure. Fully upholstered on a rigid frame and built to your exact dimensions, this custom cornice board conceals curtain rods and mounting hardware for a clean, architectural finish — a refined choice for arched, coastal, or transitional interiors. Made to order in your choice of fabric, it pairs beautifully with drapery or stands alone as a polished statement above the window.

Features

  • Curved Architectural Line: The gently arched top mirrors the shape of arched windows, adding a soft, sculptural finish above the frame.
  • Board-Mounted Precision: Built on a rigid board for a smooth, wrinkle-free finish that holds its form — no sagging, no restyling needed.
  • Conceals & Coordinates: Hides curtain rods, brackets, and hardware, and pairs seamlessly with drapery for a complete, tailored window look.

Specifications

  • Mounting: Board mounted
  • Board Thickness: Approx. 1.2 cm (1/2")
  • Drop Profile: 8"–11 7/8": 3" drop; 12"–16 7/8": 4" drop; 17"–21 7/8": 5" drop; 22"–30": 5" drop
  • Return / Depth: 2", 3", 4", 5", or 6"
  • Sizing: Custom width and length

Notes

  • All dimensions are finished dimensions and include the mounting board.
  • Due to handcraftsmanship, the finished length may vary by up to 1 inch.
  • Color may vary slightly between production runs due to different dye lots.
Fabric Details
  • Sera: 10% Linen, 90% Polyester; 350 gsm (10.3 oz/yd²)
  • Lily: 100% Linen; 335 gsm (9.9 oz/yd²)
  • Iris: 100% Wool; 268 gsm (7.9 oz/yd²)
  • Iris Plaid: 100% Wool; 275±5 gsm (5-5.3 oz/yd²)
  • Flint: 10% Linen, 90% Polyester; 390 gsm (11.5 oz/yd²)
  • Zora: 45% Cotton 55% Linen; 205 gsm (6 oz/yd²)
  • Tara: Linen Cotton Blend; 240-280 gsm (7.1-8.3 oz/yd²)
  • Willow: 10% Linen, 90% Polyester; 280–330 gsm (8.3–9.7 oz/yd²)
  • Livia: 45% Linen, 55% Cotton; 200-210 gsm (5.9–6.2 oz/yd²)

We recommend ordering fabric swatches to see and feel in person.

Care Instructions

Wipe Clean.

Shipping and Returns

Shipped via DHL Express, FedEx, or UPS, lead time 7–14 days. Door-to-door service. Expedited shipping options are available at an additional cost. Find more details on our Shipping Policy.

Due to the bespoke nature of our custom curtains, all sales are final. We highly recommend ordering fabric swatches and carefully reviewing your measurements before placing your order. Check our Return & Refund Policy.

Why Choose our Cornices

  • Conceals the Hardware: Hides rods, tracks, and mechanisms for a clean, finished line.
  • Balances Uneven Windows: When window heights vary slightly, a valance sets a consistent upper line and restores visual order.
  • Closes the Gap: Fills the space between window top and ceiling or crown molding, giving the treatment a more grounded feel.
  • Improves Insulation: Adds a layer that helps reduce drafts from older windows.
  • A Considered Finish: Brings a tailored, designer touch to the room.

Your Custom Journey

Four steps. One dedicated team. Zero guesswork.

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Touch before you commit

Request Swatches

Browse our curated collections and order complimentary swatches to see the colors and feel the textures in your own light

Free Swatches

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Personalize Your Vision

Design Your Look

Collaborate with our design specialists to compose a look tailored to your architecture and lifestyle. Every detail, dialed in.

Start Design

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Perfect Fit Guaranteed

Measure with Confidence

Follow our expert measuring guidance or schedule an virtual consult. We ensure every inch is accounted for before we start.

Schedule Meeting

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A Flawless Finish

Complete the Installation

Opt for our experienced installers for a seamless setup, or use our comprehensive DIY guides for a professional look on your own.

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Our design experts are ready to bring your vision to life.

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FAQs

What is a "return"?

The return is the distance from the wall to the front edge of the valance or cornice. It's what allows the treatment to fully conceal the rod, track, or bracket beneath it for a clean look.

How do I measure for a valance?

Start with the width — measure your window frame or curtain rod, adding 4–6 inches on each side for a balanced look, or aligning flush with the frame for a more minimal, modern line.

Next, measure the height from the mounting point down to where you'd like the bottom edge to fall.

Finally, measure the return — the distance from the wall to the front of the rod or track — to make sure the hardware is fully concealed.

Do you offer professional installation?

Yes, in select cities. We offer professional in-home installation services that handle fitting, hanging, and final dressing.

How long does it take to receive my order?

Normally, curtains will arrive within 5–12 days after you place the order. Expedited options are available at checkout.

Can I try the fabric before I place my order?

Yes — request fabric swatches, delivered in 2–6 days. See the color in your own light and feel the weight before you commit.

Didn’t find your answer?

Don't hesitate to contact us