Keystones

Add a touch of classical elegance to your home with our premium Keystones. Designed to mimic traditional stone, these lightweight polyurethane accents are completely weather-resistant and incredibly easy to install. Whether you are accenting a doorway or highlighting a window, our keystones provide the perfect architectural focal point. They are durable, paintable, and maintenance-free, ensuring your home looks sophisticated for years to come.

Showing all 5 results

  • 4.85.001.100-b

    Keystone 4.85.001

    Dimensions: 281 x 294 x 65 mm.

    (Height x Width x Depth)

    €33.80

    A keystone, 293 mm wide, 282 mm high and 65 mm deep, with a tapered face with a deep recessed panel. Set at the centre of the head of a window, door or arch, it is the finishing touch that makes a moulded surround look like real stonework, and it sits over the top of…

  • 4.85.002.100-b

    Keystone 4.85.002

    Dimensions: 234 x 222 x 67 mm.

    (Height x Width x Depth)

    €29.90

    A keystone, 221 mm wide, 232 mm high and 68 mm deep, with a tapered face carved with a scrolled console. Set at the centre of the head of a window, door or arch, it is the finishing touch that makes a moulded surround look like real stonework, and it sits over the top of…

  • 4.85.003.100-b

    Keystone 4.85.003

    Dimensions: 213 x 200 x 54 mm.

    (Height x Width x Depth)

    €29.90

    A keystone, 200 mm wide, 211 mm high and 51 mm deep, with a tapered face with a raised, fielded panel. Set at the centre of the head of a window, door or arch, it is the finishing touch that makes a moulded surround look like real stonework, and it sits over the top of…

  • 4.85.004.100-b4.85.004.20

    Keystone 4.85.004

    Dimensions: 206 x 256 x 75 mm.

    (Height x Width x Depth)

    €30.80

    A keystone, 255 mm wide, 206 mm high and 75 mm deep, with a plain tapered face with a stepped, layered outline. Set at the centre of the head of a window, door or arch, it is the finishing touch that makes a moulded surround look like real stonework, and it sits over the top…

  • 4.85.005.100-b4.85.005.20

    Keystone 4.85.005

    Dimensions: 306 x 255 x 75 mm.

    (Height x Width x Depth)

    €42.80

    A keystone, 253 mm wide, 306 mm high and 75 mm deep, with a tall, plain tapered face with a stepped, layered outline. Set at the centre of the head of a window, door or arch, it is the finishing touch that makes a moulded surround look like real stonework, and it sits over the…

The Crowning Jewel for Your Arches and Windows

Give your home the architectural authority it deserves with our stunning range of Keystones. Often called the "jewelry" of a building's exterior, a keystone instantly draws the eye upward, turning a standard doorway or window into a grand entrance. Whether you are renovating a forever home in the Irish countryside or adding character to a new build in the suburbs, these accents provide that bespoke, high-end finish that sets your property apart.

Why Choose Modern Polyurethane?

Forget the headache of heavy, expensive stone that requires specialist masons to install. Our collection focuses on "affordable luxury"—giving you the timeless aesthetic of traditional masonry with none of the drawbacks. Because we craft these from high-density polyurethane, you get distinct advantages:

  • Effortless Installation: Lightweight materials mean you or your carpenter can fit these quickly during the second fix stage, saving you significant labor costs.
  • Irish Weather Proof: Unlike timber that rots or poor-quality plaster that cracks, our keystones are impervious to moisture and temperature changes, making them perfect for our damp climate.
  • Perfect Finish: Every piece comes primed and ready for painting, allowing you to match your exterior colour scheme seamlessly.

Create a Cohesive Design

A keystone looks beautiful on its own, but it truly shines when you integrate it into a wider design concept. For a fully transformed facade, pair your keystone with our exterior arch frames to define the shape of your windows. If you want to heighten the drama above your doors, consider adding one of our elegant pediments for a stately, classical effect.

Don't stop at the outside walls. Many of our customers carry this attention to detail indoors, using our moisture-resistant wall panels to create flow and consistency from the driveway right through to your hallway and bathrooms.

Ready to elevate your home's exterior character? Browse our collection of Keystones below and find the perfect finishing touch for your project today.

Frequently Asked Questions

Find clear answers to common questions about Gaudi Coving products, installation, delivery, and ordering to help you choose the right coving and decorative mouldings with confidence.

We are based in Kylekiproe, Portlaoise, Co. Laois, Ireland, R32 R58W. You’re welcome to contact us directly or visit during our opening hours.

Call us on +353 45 433 585 or Mobile: +353 87 348 8884. You can also email us at [email protected] for enquiries, quotes, and support.

Our physical location is open Tuesday to Saturday, 10:00am–5:00pm.

We accept major credit and debit cards through secure online payment, as well as bank transfers for invoice payments.

With your invoice, you will receive an estimated delivery date and delivery cost. Please note that this is an estimate and not a guaranteed delivery date. In most cases, orders are delivered within up to 5 working days.

Estimated delivery times are calculated based on the full order process, including order preparation, packaging, transfer to the delivery provider, and transit time to the delivery address.

Yes — we deliver our premium coving, skirting, and mouldings across Ireland, helping you complete projects from Dublin to Cork and beyond.

Gaudi Coving mouldings are lightweight, paint-ready, and designed for easy installation using standard adhesives and tools. Accurate measuring, clean mitre cuts, secure fixing, and joint finishing will ensure a professional result. Suitable for experienced DIY and trade installation.

Our coving and mouldings are manufactured from high-density polyurethane and polystyrene. These materials provide excellent strength, sharp detailing, moisture resistance, and long-term dimensional stability.

Yes. All products come with a smooth, paint-ready surface and can be painted using standard water-based or solvent-based interior paints.

Yes. Our mouldings are moisture-resistant, making them suitable for kitchens, bathrooms, and other high-humidity areas when installed correctly.

Yes. We supply flexible coving and moulding options designed for curved walls, arches, and non-linear surfaces.

Absolutely. Our products are widely used by contractors, fit-out specialists, architects, and designers for both residential and commercial applications.