In Part 1 of our “Design Details for Good Acoustics” webinar series, PAC International, LLC dives deep into the critical role wall details play in achieving real-world sound isolation. While laboratory-tested wall assemblies can meet STC (Sound Transmission Class) requirements under ideal conditions, real-world construction introduces countless variables — like electrical boxes, cabinets, window mullions, control joints, and intersections — that can drastically compromise acoustic performance.
This webinar explains:
• Why construction details are crucial for effective noise control
• How poor detailing impacts acoustical performance (with test data when available)
• Best practices to maintain sound isolation across various wall elements If you are an architect, builder, designer, or acoustical consultant, this presentation will help you bridge the gap between lab-tested walls and real-world acoustic success.

Got questions about Home Theater, Acoustics, AV equipment, or the science behind it all? Drop them in the comments below, and I GUARANTEE to answer all the questions with a YouTube Super Feature “$THANKS” ($30 minimum) in an upcoming videos!

Discover The Data – An Overview of New Testing on CLT Assemblies Join us for an insightful overview of the latest testing and research on Cross-Laminated Timber (CLT) assemblies. In this session, industry experts break down the most recent data, methodologies, and results from acoustic performance testing, shedding light on how CLT assemblies perform in real-world applications. Whether you’re an architect, engineer, acoustician, or building professional, this presentation will provide valuable insights into designing with CLT while meeting sound isolation requirements.

What You’ll Learn:
• New findings from laboratory and field testing
• Acoustic behavior of CLT wall and floor systems
• Design implications for multifamily and commercial construction
• Best practices for achieving code-compliant sound ratings

Stay informed on innovative building solutions and the science behind high-performance assemblies.

Are you looking to streamline your steel stud framing and enhance soundproofing in one go? In this video, we’ll walk you through how to simplify your steel stud design using RSIC-1® sound isolation clips combined with PABCO® gypsum board.

What You’ll Learn:
• The benefits of RSIC-1® sound isolation clips for reducing noise transfer
• How to integrate RSIC-1® clips into your steel stud framing
• Tips for using PABCO® gypsum board to maximize sound isolation and structural integrity Step-by-step installation process to ensure a flawless finish

Whether you’re a contractor, DIY enthusiast, or just curious about soundproofing techniques, this guide will provide you with practical tips and insights to achieve superior acoustic performance and a streamlined installation.

In this webinar, we will go over elements of acoustic and fire design both for basic wall and floor/ceiling assemblies and for design details like wall-wall and wall-ceiling intersections. PAC International, LLC. is the creator of the original Resilient Sound Isolation Clip®. We have strived to develop and manufacture unique designs using noise control and isolation solutions to meet your specific site or project requirements, as well as establish a full line of acoustical noise control products.

This course looks “under the hood” of the STC and IIC ratings to get a better understanding of what they are, how they work, and what they do and don’t tell us.
• Importantly, this course covers shortcomings of the STC and IIC ratings that if not understood can lead to poor designs for noise control
• Discover two new acoustic ratings, HIIC and LIIC, which provide a better insight into the impact-noise reduction provided by floor/ceiling assemblies
• Use the knowledge gained about ratings to discuss general methods of improving the acoustic performance of floor/ceiling assemblies

• Learn how to read a UL assembly
• Identify where to find details pertinent to acoustics
• Understand elements of fire design that can affect acoustics

In this webinar, Mike Gernhart, PAC International’s CEO, will go over how to “RSIC Low Profile Wall Designs”. Focusing on an introduction and summary about uses for the RSIC alternative products we offer. This will include: • RSIC-DC04
• RSIC-DC04 alternative mounting options for different components
• Low-Profile Walls
• RSIC-U for panel mounting
• RSIC-U for Head of wall
• RSIC-1 Backer
• RSIC-WFI

Acoustic Testing: Lab vs. Real-World Performance | Webinar Laboratory test results don’t always tell the whole story when it comes to acoustical design. Floor/ceiling assemblies may perform well under controlled lab conditions, but real-world construction introduces challenges that can compromise sound isolation.
In this webinar, our experts break down:
• Why acoustical details matter for noise control
• Common issues that affect floor/ceiling performance (e.g., can lights, soffits, control joints, window shades, access panels, speakers, and intersections)
• The acoustical impact of poor detailing—backed by test data
• Best practices for achieving effective sound isolation in the field Whether you’re an architect, engineer, contractor, or designer, this session will give you the knowledge to move beyond STC and IIC numbers and design with confidence in real-world conditions.

In this webinar, INCE members Mike Raley from PAC International and Evelyn Way from Maxxon discussed how to incorporate acoustic and fire design elements for your building design projects. There are many design elements that work well for fire and for acoustics, however, there are also areas where what works well for fire can be at odds with what works well for acoustics. In this presentation, Mike and Evelyn discussed acoustic and fire design elements for basic wall and floor/ceiling assemblies and design details like penetrations and assembly intersections.
Topics:
• A basic overview of acoustic and fire design requirements and testing
• A walk-through of a common UL fire-resistive design
• Discussion of the UL design elements that can affect acoustics
• Proper design details for penetrations and intersections that maintain fire and acoustical performance

In this webinar, Michael Raley, An INCE Board Certified Acoustician, will go over how to “An overview of PAC’s full line of spring isolators”. WEBINAR TOPICS AT A GLANCE:

Topic 1: A basic overview of PAC’s spring isolators
Topic 2: Design details such as soffits, ceiling elevation changes, secondary ceilings, and more
Topic 3: UL fire-resistive designs and PAC’s approach to spring layouts

“With the current level of performance specified by the building code, a large percentage of people are highly annoyed by noises from their neighbors, leading to a reduced quality of life and possible negative health effects.” -International Code Council – https://www.iccsafe.org/ ICC G2 – 2010 Guidelines for Acoustics

In this webinar, Michael Raley, An INCE Board Certified Acoustician, will go over how to “Better Design Through A Deeper Understanding of Acoustic Ratings”.

Topic 1: This course looks “under the hood” of the STC and IIC ratings to get a better understanding of what they are, how they work, and what they do and don’t tell us. Importantly, this course covers shortcomings of the STC and IIC ratings that if not understood can lead to poor designs for noise control.
Topic 2: This course also looks at two new acoustic ratings, HIIC and LIIC, which provides a better insight into the impact-noise reduction provided by floor/ceiling assemblies.
Topic 3: Finally, the course uses the knowledge gained about ratings to discuss general methods of improving the acoustic performance of floor/ceiling assemblies.

“With the current level of performance specified by the building code, a large percentage of people are highly annoyed by noises from their neighbors, leading to a reduced quality of life and possible negative health effects.” -International Code Council – https://www.iccsafe.org/ ICC G2 – 2010 Guidelines for Acoustics

By the end of the webinar, you’ll be all caught up on how to better design construction through a deeper understanding of acoustic ratings.

An in-depth look at the acoustical performance of some typical shear walls and discuss ways to increase their acoustical performance while retaining the necessary shear panels.

In this webinar, PAC’s Director of Engineering will discuss the acoustical performance benefits of PAC’s RC-1 Boost. The RC-1 Boost is designed to work with all makes and models of resilient channels to improve their acoustical performance. PAC’s testing has shown that the RC-1 Boost can close the performance gap between premium and less expensive resilient channels and that the Boost consistently increases IIC ratings by 5 points. This opens up the possibility of using a wider array of resilient channel makes and models which can help address price and availability issues with premium resilient channels. In the webinar, we will be joined by our guests Zach Ciambotti of Crescent Communities and Nick Block of SLR Consulting to discuss a recent multi-family project where PAC’s RC-1 Boost was used. We will also talk with Zach and Nick more broadly about their experience designing and building for acoustical performance in multi-family projects. When you are done with this webinar, you will have a thorough understanding of how the RC-1 Boost can save you time and money on your construction project.

• Define the STC and IIC ratings, what they measure, and how they are measured.
• Identify common myths and misconceptions about STC and IIC ratings that can lead to poor designs.
• Explain the limitations of STC and IIC ratings and how they can lead to inadequate acoustical performance of wall and floor/ceiling assemblies.
• Describe the HIIC and LIIC ratings, what they measure, and how they can be used to better engineer acoustical performance of floor/ceiling assemblies.
• Discuss the general methods for improving the acoustical performance of wall and floor/ceiling assemblies.

• Define the STC and IIC ratings, what they measure, and how they are measured.
• Identify common myths and misconceptions about STC and IIC ratings that can lead to poor designs.
• Explain the limitations of STC and IIC ratings and how they can lead to inadequate acoustical performance of wall and floor/ceiling assemblies.
• Describe the HIIC and LIIC ratings, what they measure, and how they can be used to better engineer acoustical performance of floor/ceiling assemblies.
• Discuss the general methods for improving the acoustical performance of wall and floor/ceiling assemblies..

• Learn how to read a UL assembly
• Identify where to find details pertinent to acoustics
• Understand elements of fire design that can affect acoustics

• Learn how to read a UL assembly
• Identify where to find details pertinent to acoustics
• Understand elements of fire design that can affect acoustics

Learn about when and where a Fire-Rated Assembly is required, What are applicable Assembly Codes, how a fire test is conducted, and what sources are used to find fire-rated assemblies.

A presentation on what noise control is, and how to apply it to your systems.

PAC can help address product cost and availability issues with smarter construction methods using less material and more efficient products.

The new PAC International RSIC-SIX low profile spring hanger. Improved ceiling acoustical performance utilizing a new design low profile spring to reduce the ceiling drop and increase low frequency impact noise.

Mutli-Family, Apartment, Condo Noise control is an amenity clients will pay for. Increased noise control has high demand and is a zero maintenance option to entice tenants to move into your building.

Let’s talk about why some walls with cabinets do NOT meet minimum code and how you can fix it! In this 20 minute prerecorded webinar, Michael Raley, Acoustic Engineer, discusses the features and benefits of using our innovative, PAC-RCB (Resilient Channel Backer) for use on walls with cabinets. He looks at an interesting side by side comparison of how the PAC-RCB can maintain a wall’s acoustical performance, while presenting a simple and cost effective mounting for cabinets and heavy loads.

PAC International has release an all new product and assembly selector. Yo now have access to our products and tested assemblies and a way to quickly filter through our site to get the information needed to make construction decision at your pace. These are both available 24/7.