


Acoustical Solutions for Auditoriums
Auditoriums are designed to host large audiences for social, educational, spiritual, and special events, such as concerts, lectures, and ceremonies. To ensure that the sound quality is optimal, auditoriums need acoustical finishes to function properly.
Acoustical finishes are materials that absorb, reflect, or diffuse sound waves in a controlled way. They help to reduce unwanted noise, enhance speech intelligibility, and create a balanced sound environment for the audience and the performers.
In addition to acoustical control, the International Cellulose Corporation’s acoustical solutions for auditoriums are available in an array of colors and textures to further interior design objectives, enhance the ambiance, and contribute towards the overall audience experience.
International Cellulose Corporation’s line of high-performance acoustical finishes can help you achieve both acoustical and aesthetic goals for your auditorium. They come in a range of colors and textures to suit any style and ambiance and are applied in varying thicknesses to deliver targeted acoustical control. They are also eco-friendly, made from sustainable cellulose fibers, and certified GREENGUARD Gold to support healthy indoor environments.
If you are planning to design an auditorium, we suggest working with an acoustical consultant to help you achieve the best sound quality for your space. Acoustical consultants can conduct acoustical measurements, modeling, and analysis to predict and assess the acoustical performance of your auditorium and identify potential problems and solutions. Working with an acoustical consultant can ensure that your auditorium meets the desired vision and functional needs. Visit the National Council of Acoustical Consultants to learn more at https://ncac.com/.
Our solutions
K-13
K-13 is a spray-applied acoustic insulation typically used as an exposed ceiling finish, which requires no additional barriers or materials. K-13 meets project requirements for noise control and features an attractive natural texture that is available in both standard and custom colors.


SonaSpray “fc”
SonaSpray “fc” is an exposed-ceiling acoustic insulation used for premium sound control. SonaSpray “fc” provides an attractive refined texture, high-performance solution to acoustic and lighting design objectives in both new construction and renovation projects.
SonaKrete
SonaKrete is a premium, spray-applied ceiling acoustic finish with a very refined troweled texture. SonaKrete provides an attractive, high-performance solution to acoustic and lighting design objectives in both new construction and renovation projects.

Why Partner with icc?
Custom Colors. Performance. Quality. Sustainability.
ICC offers all our products in custom colors and varying finishes to meet your design objectives while also solving your thermal and sound control problems. For new constructions or renovations, our thermal and acoustical insulation solutions can be customized to help you create the ideal space.
Developed over 60 years ago, we are proud to say that our products are tested for performance and durability to meet specifications for insulation and noise reduction. Additionally, our products are highly rated in fire safety, boasting a Class 1, Class A rating.
ICC’s commitment to quality and service is reflected in our ISO 9001:2015 Certification. K-13 and SonaSpray “fc” are manufactured under the Underwriter’s Laboratories Classification. Additionally, K-13 is Factory Mutual-approved.
Lastly, International Cellulose Corporation’s line of sustainable spray-on insulation systems consists of natural, plant-based fibers and specialty water-based adhesives. In addition to acoustic and thermal performance, our products meet some of the world’s most rigorous and comprehensive standards for low emissions of VOCs into indoor air. Our products are UL GREENGUARD Gold Certified and contribute to healthier indoor environments. To find out more about ICC’s sustainability practices, read here.
Our Work
ICC’s spray-applied thermal and acoustic materials are readily available for shipment to our network of licensed installers. Please contact us for details on how we can help your project be the best it can be!