SenzaPlasterAcoustic Plaster
Restaurant dining room with a sculptural amber chandelier under a seamless acoustic plaster ceiling
Photographer: Chris Orange
Sound-Absorbing Finishes

Acoustic Plaster

Senza’s acoustic plaster systems combine sound-absorbing mineral fiber with a seamless, sculptural finish — commercial-grade noise reduction without a single visible panel, tile, or joint.

Explore Performance Request a Sample

0.80 – 0.90

Max NRC

A

Fire Class

72%

Average System Recycled Content

28mm–48mm

System Thickness

Acoustic Plaster Benefits
Why It Matters

Create Calm and
Inviting Spaces

Restaurant dining room with a curved acoustic plaster ceiling and pendant lighting

Every room has an acoustic signature — the echo in a lobby, the reverberation in an open-plan office, the harsh reflections off a concrete ceiling. Senza’s acoustic plaster rewrites that signature at the source, absorbing sound energy directly into a seamless acoustic system so the spaces you design feel as good as they look.

Superior Sound Absorption

Reducing echo, reverberation, and noise pollution — sound is absorbed at the wall or ceiling plane instead of bouncing back into the room.

Sleek & Seamless Aesthetic

Smooth, sophisticated, natural finishes with no visible panels, seams, or fasteners — performance that reads as pure.

Natural & Sustainable Materials

Natural & Sustainable
Mineral Materials

Hotel stair landing with a curved acoustic plaster ceiling above a glass balustrade

A high-end finishing system for walls and ceilings that combines sound-absorbing fibrous and porous materials.

Senza acoustic plaster is built from natural mineral materials rather than synthetic foams or petroleum-based binders — a formulation that’s better for the people who occupy a space and for the planet the building sits on. Because the finish is inherently breathable, non-toxic, and largely made from reclaimed content, it supports healthier indoor air and lowers the embodied impact of a project without asking anyone to compromise on how the finish looks or performs.

That combination of performance and material integrity is exactly why architects, interior designers, commercial developers, general contractors, and luxury homeowners increasingly specify acoustic plaster over conventional acoustic panels or ceiling tile — it satisfies wellness and sustainability goals, simplifies maintenance, and gives every client a finish that will still look intentional a decade from now.
Acoustic Performance

Distinct Acoustic Performance

Senza acoustic plaster reduces sound reflection and noise levels by converting sound energy into heat. The finish coat is engineered to let sound pass through, where it attenuates within the mineral wool layer beneath — delivering measurable, lab-tested acoustic performance while presenting a single, monolithic surface to the eye.

0.90

NRC Value
48mm System

0.80

NRC Value
28mm System

How It Works — Layer Cross-Section

  • ASeamless Acoustic Plaster Topcoat
  • BAcoustic Plaster Undercoat
  • CAcoustic Plaster Basecoat
  • DMineral Wool Panel
  • EBondplast Gypsum Adhesive
  • FSubstrate
Wellness by Design

Live Better,
Improve Productivity

By reducing ambient noise and limiting stress from echoing, Senza acoustic plaster creates quieter, more comfortable environments — essential for private conversations, offices, schools, and residential homes where focus and calm matter most.

Barn conversion kitchen under an exposed oak truss ceiling finished in clay lime plaster
The Long Barn
Location: East Sussex, UK
Photographer: Jonathan Banks Clay Lime Plaster Clime Honed: Organic White
Clay Lime Plaster Clime Coarse: Sea Salt
https://armourcoat.com/en-us/case-study/the-long-barn/
Product Superiority

Sustainable, Durable, Breathable

We use superior products that look luxurious and offer beneficial qualities.

Senza is the exclusive partner of ArmourCoat, whose plaster systems are specified by architects and designers worldwide for a rare combination: decorative depth that reads as fine art, paired with the technical performance developers and contractors require. Beyond acoustics, ArmourCoat’s mineral plasters deliver a visual richness — soft light diffusion, subtle variation, a hand-finished depth — that manufactured panels simply cannot replicate, making plaster the preferred decorative and acoustic material for architects, designers, commercial developers, general contractors, and luxury homeowners alike.

ArmourCoat

An exclusive ArmourCoat partnership

Polished ArmourCoat plaster wall with the brand's surface-finishes signage

ArmourCoat’s decorative and acoustic plasters have finished landmark hospitality, retail, and residential interiors internationally. As their exclusive partner, Senza brings that same specification-grade material, application expertise, and finish consistency to every project — so the sample you approve is the surface that gets built.

Where It's Used

Custom Acoustic Plaster
Solutions for Every Space

From landmark commercial lobbies to quiet residential studies, Senza’s acoustic plaster adapts to the surface, the substrate, and the sound problem in front of you — flat, curved, or vaulted.

Work With Senza

Ready to design a
quieter, calmer space?

Tell us about your walls, ceilings, and acoustic goals.
We’ll help you specify the right Senza acoustic plaster system — thickness, NRC target, and finish — for your project.

Request a Quote Download Spec Sheet