Flexible, Custom Plaster Designs and Installations – If you can draw it, we can make it

Heritage Restoration | New Builds | Commercial

Quality Fibrous Plastering Services in Mosgiel and Across Otago

Seddons Fibrous Plasterers is based in Mosgiel, proudly serving Dunedin, Queenstown, and the wider Otago region. Established in 1953, we manufacture and install high-quality moulded fibrous plaster for homes, commercial spaces, and heritage buildings. Whether you’re building new, renovating, or restoring, we deliver exceptional plasterwork with care and precision.

Quality NZ-Made Moulded Fibrous Plaster Products

At Seddons, we manufacture an extensive range of fibrous plaster products right here in Mosgiel, using durable materials and time-tested techniques. Our range includes both contemporary and heritage-style designs, making it easy to match any building’s look and feel. If you're after something unique, we also offer custom designs to suit your exact project specifications.

Close-up of ornate white ceiling molding with repeating leaf and scroll designs.

Cornices

Cornices are the perfect finishing touch, adding clean lines or decorative flair to your ceiling and wall joinery. Choose from simple styles or ornate, heritage-inspired profiles.
Octagonal white ceiling medallion with intricate relief patterns. A colorful glass and metal hanging lamp is below.

Ceiling Centres

Ceiling centres, also known as ceiling roses, are ideal for creating a focal point—especially when paired with a feature light. We offer both traditional and modern ceiling centre designs.
Ornate white plaster ceiling detail with a crystal chandelier below.

Domes

Plaster domes create a dramatic, architectural statement in foyers, dining areas, or large rooms. We manufacture and install domes in a range of sizes and styles.
A person paints a white ornate decorative molding with a paintbrush on a white surface, outdoors.

Corbels

Our fibrous plaster corbels are ideal for adding detail beneath shelving, arches, or beams. They offer both functional support and visual interest.
A-frame ladder in a bright room, reaching towards decorative ceiling molding. Sunlight streams through a window.
White classical-style columns and ornate ceiling corner, possibly a building exterior or interior.
A bright, airy living room with arched doorways, a light green rug, and a cozy cream-colored sectional sofa.
White ornate plaster ceiling detailing with floral and curved patterns.
A white vase with greenery sits on a stack of books beside a cup and saucer on a light-colored wooden table against a white wall.

Specialist Plaster Projects

Our skilled team provides full fibrous plastering services for all types of building projects across Otago. Whether you're designing a new home, upgrading a commercial fit-out, or restoring a historic building, we have the experience to deliver top-quality results. From supply to installation, we manage every step with care.

View from below of a white spiral staircase with black railings, lit by spotlights and a skylight.

Commercial

We provide fibrous plaster solutions for retail, hospitality, medical, and office spaces. Our team works closely with architects and builders to meet design and compliance requirements.
Living room with grey sofa, brick fireplace, orange accent wall, and tripod.

Residential

From feature ceilings to full-house installations, we offer plaster products that enhance the beauty and value of your home. Our work suits both modern and traditional styles.
Corner of a room with white crown molding and a pale yellow wall.

Heritage

We understand the care required for heritage-listed buildings. Our team can replicate original features and restore damaged plasterwork while complying with regulations.

Why Choose Seddons for Fibrous Plastering in Otago?

Seddons is proud to be the last remaining fibrous plaster specialist servicing the South Island. With more than 70 years of experience, we’re trusted for our craftsmanship, custom solutions, and commitment to quality. Our fibrous plaster products offer flexibility, strength, and detailed finishes that enhance any interior space.

We supply moulded plaster nationwide and ship internationally, with expert on-site installation available throughout Otago and parts of Southland. Our plaster solutions are ideal for builders, architects, designers, and homeowners looking for a refined, long-lasting finish. From a single cornice to full ceiling domes, we treat every job with the same attention to detail.

Explore Our Extensive Selection of Plaster Mouldings

We have one of the largest libraries of fibrous plaster moulds in New Zealand and can also create one-off pieces to suit your project. To view our full product range, you’re welcome to visit our showroom at 4 Gow Street, Mosgiel. Our friendly team is always happy to provide advice or help you get started with your plastering plans.

Fibrous Plaster FAQs

  • What Is Fibrous Plaster Made From?

    Fibrous plaster is made by combining gypsum plaster with reinforcement materials like fibreglass mesh. It’s cast in moulds to create detailed, lightweight architectural features.

  • Can You Match Existing Plasterwork?

    Yes. We can replicate original designs by creating flexible moulds or casting from existing pieces, which is ideal for restoration and heritage projects.

  • Do You Offer Supply Only or Also Install?

    We offer both. You can order our plaster products for delivery throughout New Zealand or book our team for installation across Otago and Southland.

  • How Durable Is Fibrous Plaster?

    Fibrous plaster is strong, flexible, and long-lasting when installed correctly. It’s commonly used in both commercial and residential builds for its quality finish.

  • Can I Visit Your Showroom?

    Absolutely! We’d love to show you our range in person. You’ll find us at 4 Gow Street, Mosgiel.

Bring timeless style and detail to your space with Seddons’ fibrous plaster.

Get in touch today for expert advice, product recommendations, or to request a quote.