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Acoustical Solutions for Indoor Pools


Key Elements

Effective acoustic insulation is crucial in optimizing functionality and enhancing customer comfort in indoor pools. The unique acoustic challenges of indoor pool environments, characterized by hard surfaces like tiles and concrete along with the presence of water, demand effective solutions. Without proper acoustic insulation, sound waves easily reflect off these surfaces, resulting in heightened reverberation and excessive noise levels that disrupt the overall experience for patrons trying to communicate, enjoy the facilities, or relax by the pool. To meet these needs, International Cellulose Corporation's spray-on acoustic insulation products emerges as the optimal choice.


In indoor pool facilities, clear communication among lifeguards, staff, and patrons is essential for a safe and enjoyable experience. Excessive noise poses a potential hazard by impeding communication, leading to accidents or misunderstandings. Mitigating these risks through proper acoustic insulation fosters a safer and more functional indoor pool space.


Equally significant is customer comfort, as visitors seek relaxation and recreation in indoor pools. Sporting events, swim meets, and competitions generate excessive and potentially overwhelming levels of noise from announcements, whistles, buzzers, communication between competitors and cheering from the crowd. This excessive noise and reverberation can detract from the serene atmosphere patrons desire. Investing in high-quality acoustic insulation allows architects and builders to create a more pleasant and tranquil environment for swimmers and spectators alike.

International Cellulose Corporation’s cutting-edge products offer effective sound control, minimizing reverberation and noise in indoor pool settings. The spray-on application ensures seamless coverage, adapting to the unique design elements of each facility while enhancing aesthetics. Architects and builders, by choosing International Cellulose Corporation's acoustic insulation, can promote the creation of functional and comfortable indoor pool spaces, setting a new standard for excellence in aquatic facility design

Our solutions

K-13 Sound Absorption Spray


The K-13 sound absorption spray system begins with specially prepared cellulose fibers combined with natural fire retardants in a strict, quality-controlled manufacturing process to produce a Class 1, Class A-rated material. K-13 is then spray-applied by an international network of professional contractors licensed by ICC to ensure consistent and predictable results. During application, the K-13 fibers combine with a patented water-based adhesive, resulting in a durable, exposed finish.

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SonaSpray “fc”


SonaSpray “fc” is an exposed ceiling insulation finish used for acoustical control. SonaSpray “fc” provides an attractive, high-performance solution to acoustical and lighting design objectives in both new construction and renovation projects. SonaSpray “fc” has a refined texture and is available in standard colors and specially matched custom colors.

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K-13 UL Classified K-13 Factory Mutual Approved K-13 UL GREENGUARD GOLD M1 Emission Class for Building Materials K-13 Health Product Declaration (HPD 2.0) K-13 80% Recycled

Why Partner with icc?

Performance. Quality. Sustainability. Readily Available.


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 unsurpassed in fire safety, boasting a Class A, Class 1 rating.

Our spray-on thermal insulation bonds to most commercial exposed ceiling finishes, such as concrete, steel, gypsum board, wood, and rigid insulation. Our factory-trained applicators can install our thermal insulation products to the most complex configurations and cover exposed ceiling areas quickly, easily, and efficiently in a wide range of buildings and structures, including:

International Cellulose Corporation is dedicated to delivering the finest thermal insulation products available to conserve energy, reduce noise, protect construction investments, and create better working environments.

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 acoustical 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

SonaSpray in Minges NatatoriumSonaSpray “fc” | Arctic White | East Carolina University – Minges Aquatic Center | Greenville, NC
SonaSpray “fc” | Arctic White | Windsor High School | Windsor, Colorado
SonaSpray “fc” | White | Spray-Applied To The Ceiling
Novopecherski School Pool with Acoustical SpraySonaSpray “fc” | Arctic White | Spray-Applied To The Ceiling
Astroid Kids Aqua Camp Indoor PoolK-13 | Black | Spray-Applied To The Ceiling

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!

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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.
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