Explaining STC, IIC, & Delta IIC

Metal Wall Wallblokker STC

There’s a large amount of misinformation regarding the common sound rating criteria used by acoustical consultants and architects; from STC and NRC to IIC and Delta-IIC, many of these various ratings measure significantly different performance metrics of the assemblies in question. Below, we explore the data gathered, analysis performed, and underlying ASTM specifications used to […]

Principles of Soundproofing: Flanking & Workmanship

Sound Flanking Pathways

There are two complementary principles of soundproofing – flanking and workmanship. Sound Flanking Pathways 1% Rule: “Flanking” is the process of sound bypassing the partition through its path of least resistance. The 1% rule declares that a 1% opening in a partition will allow 50% of the sound to pass through. A corollary is that […]

Eastside High School Auditorium Acoustics

High School Auditorium Acoustics

East Side High School in Gainesville, FL was renovating their school auditorium. As part of the renovation, the school decided that the auditorium would require acoustic treatment. The project was put out to bid and Commercial Acoustics was invited to provide the bid for sound absorbing panels. After providing the bid and a site visit […]

Multi-Family Soundproofing Underlayment Colorado

Multi-family floor underlayment

Multi-Family Floor Soundproofing Art District Flats (ADF) is a new multi-family development under construction in the heart of Downtown Denver. Construction began on the 125,000 SF, 8-story apartment complex in July 2019 and the completion was scheduled for the end of 2020, but it is still under construction. Multi-family developments such as this one do […]

Luminary Hotel Acoustic Treatment

Hotel Acoustic Treatment

Luminary Hotel is a high end Autograph Collection hotel that recently opened in Fort Myers, along with a new culinary theater and multiple restaurants. The Workshop Culinary Theater is a spot where guests can watch food be prepared on the stage and taste what’s been cooked by the chef. Ella Mae’s Diner is a southern […]

How Sound Travels

Perception of dBa Changes

Vibration (Structure-Borne) and Airborne Sound There are two primary modes of sound travel in Architectural Acoustics – through air, and through solid components, such as walls, floors, beams, columns, and other rigid building elements. This is because the molecules of the material are so much closer together. Sound travels much more quickly in hard materials […]

Historic School Renovation with AcoustiStep Flooring Underlayment

Historic Renovation Floor Underlayment

The historic McDonogh 19 school site in New Orleans is being renovated into a Civil Rights museum that will also contain 25 affordable apartments for senior citizens. Despite its significance as a Civil Rights Landmark for being the first integrated public school in New Orleans, the school has remained boarded up and vacant since Hurricane […]

Amgen Office Expansion Acoustic Fabric Wall

Acoustic Fabric Wall

In 2017, the biotechnology company Amgen moved into their new 130,000 square foot office space in Tampa, FL. The company is now undertaking fit-out renovations within the existing space at ACC Tampa, so their 500 plus employees have more room to collaborate and continue to grow. When to Use Acoustic Fabric Wall The additional conference […]

ABC2 – Soundproofing & Acoustic Solutions

soundproofing & acoustic solutions

Sound Issues fall into a few basic categories. By correctly defining and categorizing your sound problem or concern, you can effectively design a treatment for the space without spending money on unnecessary mitigation approaches that do not yield results. Contact Us About Your Sound Issues Checklist to Determine Noise Issue and Treatment Options: What is […]