Premium Ceiling Acoustical Finish

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SonaKrete is a premium ceiling acoustic finish with a very refined, plaster texture. SonaKrete is spray-applied, then troweled for a seamless finish making it ideal for historic renovation and domed or arched ceilings. SonaKrete is specified in interior spaces to reduce excessive noise and improve intelligibility without compromising aesthetic objectives. Additionally, SonaKrete typically provides these features at a more competitive install cost than alternative acoustical plaster systems. SonaKrete is available in two standard and specially-matched custom colors.

Premium Acoustical Finish System

SonaKrete is composed of uniquely prepared cellulose fibers combined with natural fire retardants in a strict, quality-controlled manufacturing process to produce a Class A, Class 1 rated material.

SonaKrete is installed by an international network of professional contractors licensed by ICC. During application, SonaKrete is spray-applied in thin layers, and with each pass, troweled out to compress the product for a total thickness ranging from 1/4" to 3/4" thick. All edges are trimmed for a seamless appearance to adjacent surfaces or textures. The final result is a beautiful hard finish, free from irregularities. For more information on our spray applied seamless acoustical finish, contact us today!

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With SonaKrete, Quiet Never Looked So Good.™

M1 Emission Class for Building Materials

SonaKrete Health Product Declaration (HPD 2.0)

Sound Control

SonaKrete reduces noise and reverberation present in interior spaces, significantly improving ambient sound quality and intelligibility without interfering with design goals.

SonaKrete's superior acoustical performance is measured using the room reverberation method per ASTM C 423 to calculate a noise reduction coefficient (NRC). At just 1/2", Sonakrete achieves an impressive NRC of .65. This, along with a spray-applied and troweled application method makes SonaKrete the perfect solution for historical renovation, concert halls, or any commercial project where aesthetics and acoustical performance are key.

ASTM C 423 - Sound Absorption (NRC)

SonaKrete on Solid Backing

Inches	125 Hz	250 Hz	500 Hz	1,000 Hz	2,000 Hz	4,000 Hz	NRC
.25”	0.01	0.07	0.39	0.69	0.83	0.87	0.50
.375”	0.06	0.11	0.46	0.77	0.84	0.89	0.55
.5”	0.01	0.16	0.49	0.89	1.03	0.97	0.65
.75”	0.25	0.48	0.81	0.85	0.85	0.94	0.75

All acoustical testing was performed by an NVLAP-accredited laboratory. Testing available on request.

Custom Colors Available

SonaKrete is available in four standard colors and can also be specified in specially-matched custom colors. SonaKrete White and Arctic White provide high light-reflectance values.

Please contact us for more information on customizing your SonaKrete application.

SonaKrete Standard Color Chart

Note: Color selection will affect the final price.

White SonaKrete on the ceiling Ryerson University Student Learning Center

Ryerson University Student Learning Center - Toronto, Canada
SonaKrete White | 155,000 sf

White SonaKrete on the ceiling in Ryerson Student Learning Center

Ryerson University SLC - Toronto, Canada
SonaKrete White | 155,000 sf

White SonaKrete on the ceiling in Highland Park Town Hall & DPS

Highland Park Town Hall & DPS - Dallas, Texas, USA
SonaKrete White

Highland Park Town Hall Historic Restoration

Highland Park Town Hall & DPS - Dallas, Texas, USA
SonaKrete White

White SonaKrete on the ceiling in McDonough High School Dining Hall

McDonough High School, Edward St. John Student Center Dining Hall - Owings Mill, Maryland, USA
SonaKrete White | 11,200 sf - 1/2" Thick

White SonaKrete on the ceiling in Flint Hills Discovery Center

Flint Hills Discovery Center - Manhattan, Kansas, USA
SonaKrete White | 1,000 sf - 3/4" Thick

Arctic White SonaKrete on the ceiling in American University College of Law

American University College of Law, Steven S. Weinstein Courtroom - Washington, D.C., USA
SonaKrete Arctic White | 3,050 sf - 3/4" Thick

White SonaKrete on the ceiling in Winthrop High School

Winthrop High School - Winthrop, Massachusetts, USA
SonaKrete White | 6,100 sf - 1/2" Thick

Whit SonaKrete on the ceiling in Patrick Henry Ballroom

Patrick Henry Ballroom - Roanoke, Virginia, USA
SonaKrete Arctic White | 1/2" Thick

BEFORE

AFTER

Sustainability

MATERIALS + RESOURCES:

RECYCLED CONTENT:
80% Pre-Consumer

REGIONAL MATERIALS:
Manufactured by International Cellulose Corporation in Houston, TX.

MATERIAL INGREDIENT REPORTING:
Inventoried to 1,000 PPM in accordance with the HPD Collaborative.

INDOOR ENVIRONMENTAL QUALITY:

INDOOR AIR QUALITY:
UL GREENGUARD Gold Certified
May Contribute Towards:
LEED v4: Indoor Air Quality Assessment
LEED v4: Enhanced Indoor Air Quality Strategies

INTERIOR LIGHTING:
SonaKrete in Arctic White has an LRV of 91+ and may contribute to efficient lighting plans for lighting quality.

ACOUSTICAL PERFORMANCE

LOW-EMITTING MATERIALS:
M1 Classified as a Low-Emitting Building Material Compliant With:
LEED v4: Low-Emitting Materials
CDHP/ California Section 01350
SCAQMD Rule 1168
CHPS - Acoustical Ceiling

SonaKrete is made from 80% Pre-Consumer Recycled Content and inventoried to 1,000 PPM in accordance with the HPD Collaborative.

SonaKrete is UL GREENGUARD Gold certified and compliant with LEED v4: Low-Emitting Materials, CDHP/ California Section 01350, SCAQMD Rule 1168, and CHPS- Acoustical Ceiling. Additionally, SonaKrete provides high light-reflectivity, superior acoustical performance, and may contribute to sustainable credit categories for green-building initiatives.

SonaKrete "fc" does not contain silica dust, asbestos, mineral or glass
fibers, or PCB’s.

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Technical Data

SonaKrete on Solid Backing

Inches	125 Hz	250 Hz	500 Hz	1,000 Hz	2,000 Hz	4,000 Hz	NRC
.25”	0.01	0.07	0.39	0.69	0.83	0.87	0.50
.375”	0.06	0.11	0.46	0.77	0.84	0.89	0.55
.5”	0.01	0.16	0.49	0.89	1.03	0.97	0.65
.75”	0.25	0.48	0.81	0.85	0.85	0.94	0.75

All acoustical testing was performed by an NVLAP-accredited laboratory. Testing available on request.

Standard Color	Light Reflectance Value (LRV)
Arctic White	91+
White	88+

Durability

SonaKrete is applied with a patented water-based glue that provides a resilient bond-strength of 800 psf.

Unlike similar acoustic plaster systems, SonaKrete is extremely abuse resistant. SonaKrete does not crack or spawl with age, abuse, or movement from building components often typical with cementitious or plaster-based materials.

Substrate Compatibility

SonaKrete adheres to properly prepared smooth substrates such as level 4 primed drywall and plaster and conforms to curved ceiling configurations like arches and domes.

Surfaces to receive SonaKrete are to be inspected prior to installation to determine if surfaces are acceptable.

Typical Projects

SonaKrete is typically used as an exposed ceiling finish to reduce excessive noise and reverberation and provide versatile color options. It is appropriate for interior spaces such as universities, courtrooms, ballrooms, theaters, and any project where aesthetics and acoustical performance are critical.

Please see our Projects Gallery for more examples of how SonaKrete can be customized to meet your project requirements.

Typical Projects

Our patented water-based adhesive adheres to virtually any properly prepared substrate and ceiling configuration including metal deck, barrel-vaults, concrete "T" corrugated decks, gypsum, wood, concrete, and other complex surfaces. Surfaces to receive K-13 are to be inspected prior to installation to determine if pre-treatment is required.