---
title: Busting the STC 30 myth
description: Echo Barriers redefine construction noise control, outperforming plywood in a groundbreaking field trial. Discover the future of quieter sites is not STC 30
image: https://blog.echobarrier.com/hubfs/Echobarrier-email.jpg
---

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# Busting the STC 30 myth

Posted by [Echo Barrier](https://blog.echobarrier.com/blog/author/echo-barrier) on Aug 15, 2023 1:46:14 PM  | [noise barriers](https://blog.echobarrier.com/blog/tag/noise-barriers?hsLang=en-us) [noise codes nyc](https://blog.echobarrier.com/blog/tag/noise-codes-nyc?hsLang=en-us) [STC 30](https://blog.echobarrier.com/blog/tag/stc-30?hsLang=en-us)

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**Revolutionizing Noise Control: High-Tech Echo Barriers Redefine Construction Site Soundscapes**

Construction sites have long been known for their bustling activity, heavy machinery, and the constant symphony of sounds echoing through the urban landscape. For residents living in the vicinity of such sites, this cacophony can be a significant source of frustration and disturbance. To mitigate these noise-related challenges, traditional construction practices have leaned on heavy plywood barriers, often specified to meet a Sound Transmission Class (STC) rating of 30. However, a groundbreaking field trial has unveiled an alternative solution that typically provides around double the attenuation of these traditional barriers, heralding a new era of noise reduction technology: the Echo Barriers.

**Questioning the STC 30 Myth**

The STC 30 rating has long served as the gold standard for noise barriers, dictating that only materials with substantial mass can effectively attenuate sound. But is mass truly the only viable approach? The recent field trial demonstrated the limitations of this approach. The STC 30 test, originally designed to evaluate materials for fully enclosed rooms, does not accurately capture the performance of open site barriers. This leads to a paradox wherein the specification of a higher STC rating results in barriers that might be ineffective at attenuating noise in real-world construction scenarios.

Enter Echo Barriers, a lightweight and innovative solution that challenges the STC 30 myth head-on. By using a combination of high-tech materials, these barriers have demonstrated that they typically provide around double the attenuation of their old fashioned heavy plywood counterparts  in a variety of settings.

**Field Trial: Unveiling the Echo Barrier Advantage**

The field trial, supported by independent acoustic consultancy AKRF Manhatten, sought to evaluate the efficacy of Echo Barriers against traditional plywood barriers in a typical real-world construction environment. Two adjacent 8-foot-high structures were set up, one adorned with the customary ¾” plywood barrier and the other with Echo Barriers. The tests involved a small jackhammer as the noise source, positioned at varying distances from the barriers.

The results were nothing short of remarkable. At a receiver height of 5 feet, the Echo Barriers exhibited an attenuation of up to 12dB, double the 9dB attenuation achieved by the plywood barrier. As the source of noise moved farther from the barriers, this disparity in performance only grew more pronounced. And that's not all – the trial introduced an additional element to the equation: a mobile Echo Barrier placed close to the noise source. This dynamic solution further bolstered the attenuation, culminating in an astonishing 18dB to 10dB increase, rendering the attenuation up to ten times more effective than the plywood barrier alone.

**Unveiling a Quieter Future**

The field trial not only presents a resounding case for the superiority of Echo Barriers in real-world construction settings but also opens the door to a paradigm shift in noise mitigation strategies. By breaking away from the shackles of the STC 30 paradigm, the construction industry can embrace lightweight, innovative solutions that are not just more effective but also offer the flexibility and adaptability required in today's dynamic urban landscape.

As cities continue to expand and evolve, the need for effective noise control becomes ever more critical. Echo Barriers, with their proven performance and technological innovation, promise to be an integral tool in shaping a quieter, more harmonious urban environment for residents, workers, and communities alike. With this groundbreaking field trial as evidence, it's clear that the future of noise reduction is lighter, more versatile, and full of promise.

 

[![Download the original tech sheet and report](https://no-cache.hubspot.com/cta/default/3882358/6a4a0e3a-5399-417c-9faf-9441a5ef7ba3.png)](https://cta-redirect.hubspot.com/cta/redirect/3882358/6a4a0e3a-5399-417c-9faf-9441a5ef7ba3)

 

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- [Acoustic Barriers|Background Related (1)](https://blog.echobarrier.com/blog/tag/acoustic-barriersbackground-related)
- [Acoustic Barriers|Construction Related|Rail Relate (1)](https://blog.echobarrier.com/blog/tag/acoustic-barriersconstruction-relatedrail-related)
- [Acoustic Barriers|Council Responsibility Related|N (1)](https://blog.echobarrier.com/blog/tag/acoustic-barrierscouncil-responsibility-relatednoi)
- [Acoustic Barriers|Events Related|Noise Reduction (1)](https://blog.echobarrier.com/blog/tag/acoustic-barriersevents-relatednoise-reduction)
- [Construction Related|Events Related|Noise Reductio (1)](https://blog.echobarrier.com/blog/tag/construction-relatedevents-relatednoise-reductionu)
- [E.N.D (1)](https://blog.echobarrier.com/blog/tag/e-n-d)
- [EIA (1)](https://blog.echobarrier.com/blog/tag/eia)
- [Events Related (1)](https://blog.echobarrier.com/blog/tag/eventsrelated)
- [Events Related|Noise Reduction (1)](https://blog.echobarrier.com/blog/tag/events-relatednoise-reduction)
- [Events Related|Uncategorised (1)](https://blog.echobarrier.com/blog/tag/events-relateduncategorised)
- [Hydraulic Hammers (1)](https://blog.echobarrier.com/blog/tag/hydraulic-hammers)
- [Insider (1)](https://blog.echobarrier.com/blog/tag/insider)
- [LA sound ordnance (1)](https://blog.echobarrier.com/blog/tag/la-sound-ordnance)
- [NoiStop (1)](https://blog.echobarrier.com/blog/tag/noistop)
- [Noise Barriers (1)](https://blog.echobarrier.com/blog/tag/noise-barriers-it)
- [Noise Reduction (1)](https://blog.echobarrier.com/blog/tag/noise-reduction-gb-fr)
- [Noise Reduction (1)](https://blog.echobarrier.com/blog/tag/noise-reduction-gb-it)
- [STC 30 (1)](https://blog.echobarrier.com/blog/tag/stc-30)
- [Tool specific solutions (1)](https://blog.echobarrier.com/blog/tag/tool-specific-solutions)
- [What is the environmental noise directive? (1)](https://blog.echobarrier.com/blog/tag/what-is-the-environmental-noise-directive)
- [a frequency weighting (1)](https://blog.echobarrier.com/blog/tag/a-frequency-weighting)
- [absorption coefficient (1)](https://blog.echobarrier.com/blog/tag/absorption-coefficient)
- [ac noise barrier (1)](https://blog.echobarrier.com/blog/tag/ac-noise-barrier)
- [acoustic barrier hire (1)](https://blog.echobarrier.com/blog/tag/acoustic-barrier-hire)
- [acoustic barrier products (1)](https://blog.echobarrier.com/blog/tag/acoustic-barrier-products-fr)
- [acoustic barrier products (1)](https://blog.echobarrier.com/blog/tag/acoustic-barrier-products-ar)
- [acoustic barrier recycling (1)](https://blog.echobarrier.com/blog/tag/acoustic-barrier-recycling)
- [acoustic barriers for events (1)](https://blog.echobarrier.com/blog/tag/acoustic-barriers-for-events)
- [acoustic barriers live event noise (1)](https://blog.echobarrier.com/blog/tag/acoustic-barriers-live-event-noise)
- [acoustic cutting station (1)](https://blog.echobarrier.com/blog/tag/acoustic-cutting-station)
- [acoustic panels (1)](https://blog.echobarrier.com/blog/tag/acoustic-panels)
- [acoustics beginner (1)](https://blog.echobarrier.com/blog/tag/acoustics-beginner)
- [acoustics trees (1)](https://blog.echobarrier.com/blog/tag/acoustics-trees)
- [after hours work permit (1)](https://blog.echobarrier.com/blog/tag/after-hours-work-permit)
- [air compressor noise reduction (1)](https://blog.echobarrier.com/blog/tag/air-compressor-noise-reduction)
- [air conditioner noise reduction blanket (1)](https://blog.echobarrier.com/blog/tag/air-conditioner-noise-reduction-blanket)
- [air conditioner sound proofing (1)](https://blog.echobarrier.com/blog/tag/air-conditioner-sound-proofing)
- [android app (1)](https://blog.echobarrier.com/blog/tag/android-app)
- [austin construction noise (1)](https://blog.echobarrier.com/blog/tag/austin-construction-noise)
- [best app to measure noise level (1)](https://blog.echobarrier.com/blog/tag/best-app-to-measure-noise-level)
- [best hearing protection (1)](https://blog.echobarrier.com/blog/tag/best-hearing-protection)
- [bitcoin (1)](https://blog.echobarrier.com/blog/tag/bitcoin)
- [bitmining (1)](https://blog.echobarrier.com/blog/tag/bitmining)
- [bulldozer noise (1)](https://blog.echobarrier.com/blog/tag/bulldozer-noise)
- [c frequency weighting (1)](https://blog.echobarrier.com/blog/tag/c-frequency-weighting)
- [cancer caused by silica (1)](https://blog.echobarrier.com/blog/tag/cancer-caused-by-silica)
- [children noise pollution impact (1)](https://blog.echobarrier.com/blog/tag/children-noise-pollution-impact)
- [clean echo barrier (1)](https://blog.echobarrier.com/blog/tag/clean-echo-barrier)
- [community relations (1)](https://blog.echobarrier.com/blog/tag/community-relations)
- [construction management (1)](https://blog.echobarrier.com/blog/tag/construction-management)
- [construction noise complaints (1)](https://blog.echobarrier.com/blog/tag/construction-noise-complaints)
- [construction noise florida (1)](https://blog.echobarrier.com/blog/tag/construction-noise-florida)
- [construction productivity (1)](https://blog.echobarrier.com/blog/tag/construction-productivity)
- [construction safety week (1)](https://blog.echobarrier.com/blog/tag/construction-safety-week)
- [contractors (1)](https://blog.echobarrier.com/blog/tag/contractors)
- [crane noise (1)](https://blog.echobarrier.com/blog/tag/crane-noise)
- [crypto (1)](https://blog.echobarrier.com/blog/tag/crypto)
- [crystalline silica (1)](https://blog.echobarrier.com/blog/tag/crystalline-silica)
- [decibel meter app (1)](https://blog.echobarrier.com/blog/tag/decibel-meter-app)
- [demolition dust (1)](https://blog.echobarrier.com/blog/tag/demolition-dust)
- [difference between loudness and volume (1)](https://blog.echobarrier.com/blog/tag/difference-between-loudness-and-volume)
- [dust barriers (1)](https://blog.echobarrier.com/blog/tag/dust-barriers)
- [echo barrier storage (1)](https://blog.echobarrier.com/blog/tag/echo-barrier-storage)
- [echo barrier storing (1)](https://blog.echobarrier.com/blog/tag/echo-barrier-storing)
- [electrical transformer noise (1)](https://blog.echobarrier.com/blog/tag/electrical-transformer-noise)
- [environmental noise (1)](https://blog.echobarrier.com/blog/tag/environmental-noise)
- [environmental noise directive (1)](https://blog.echobarrier.com/blog/tag/environmental-noise-directive)
- [environmental noise directive explained (1)](https://blog.echobarrier.com/blog/tag/environmental-noise-directive-explained)
- [environmental protection agency (1)](https://blog.echobarrier.com/blog/tag/environmental-protection-agency)
- [equipment rental (1)](https://blog.echobarrier.com/blog/tag/equipment-rental)
- [festival noise complaints (1)](https://blog.echobarrier.com/blog/tag/festival-noise-complaints)
- [florida noise laws (1)](https://blog.echobarrier.com/blog/tag/florida-noise-laws)
- [freight noise (1)](https://blog.echobarrier.com/blog/tag/freight-noise)
- [frequency weightings (1)](https://blog.echobarrier.com/blog/tag/frequency-weightings)
- [glossary (1)](https://blog.echobarrier.com/blog/tag/glossary)
- [hearing protection guide (1)](https://blog.echobarrier.com/blog/tag/hearing-protection-guide)
- [heavy site equipment (1)](https://blog.echobarrier.com/blog/tag/heavy-site-equipment)
- [highway noise wall (1)](https://blog.echobarrier.com/blog/tag/highway-noise-wall)
- [home renovation (1)](https://blog.echobarrier.com/blog/tag/home-renovation)
- [hotel (1)](https://blog.echobarrier.com/blog/tag/hotel)
- [how to install industrial sound blankets (1)](https://blog.echobarrier.com/blog/tag/how-to-install-industrial-sound-blankets)
- [how to reduce air conditioner noise (1)](https://blog.echobarrier.com/blog/tag/how-to-reduce-air-conditioner-noise)
- [how to reduce industrial noise (1)](https://blog.echobarrier.com/blog/tag/how-to-reduce-industrial-noise)
- [how to reduce noise on site (1)](https://blog.echobarrier.com/blog/tag/how-to-reduce-noise-on-site)
- [how to stop fracking noise pollution (1)](https://blog.echobarrier.com/blog/tag/how-to-stop-fracking-noise-pollution)
- [hvac noise barrier (1)](https://blog.echobarrier.com/blog/tag/hvac-noise-barrier)
- [hvac noise barriers (1)](https://blog.echobarrier.com/blog/tag/hvac-noise-barriers)
- [jackhammer (1)](https://blog.echobarrier.com/blog/tag/jackhammer)
- [jobsite safety (1)](https://blog.echobarrier.com/blog/tag/jobsite-safety)
- [krakatoa (1)](https://blog.echobarrier.com/blog/tag/krakatoa)
- [learn more about fracking (1)](https://blog.echobarrier.com/blog/tag/learn-more-about-fracking)
- [logistics noise (1)](https://blog.echobarrier.com/blog/tag/logistics-noise)
- [loud pile drivers (1)](https://blog.echobarrier.com/blog/tag/loud-pile-drivers)
- [loudest noise on earth (1)](https://blog.echobarrier.com/blog/tag/loudest-noise-on-earth)
- [loudness vs volume (1)](https://blog.echobarrier.com/blog/tag/loudness-vs-volume)
- [mayor new york fracking ban (1)](https://blog.echobarrier.com/blog/tag/mayor-new-york-fracking-ban)
- [mine noise (1)](https://blog.echobarrier.com/blog/tag/mine-noise)
- [natural noise absorption (1)](https://blog.echobarrier.com/blog/tag/natural-noise-absorption)
- [neighbourhood noise (1)](https://blog.echobarrier.com/blog/tag/neighbourhood-noise)
- [new york fracking ban (1)](https://blog.echobarrier.com/blog/tag/new-york-fracking-ban)
- [new york noise (1)](https://blog.echobarrier.com/blog/tag/new-york-noise)
- [noise control act (1)](https://blog.echobarrier.com/blog/tag/noise-control-act)
- [noise control laws (1)](https://blog.echobarrier.com/blog/tag/noise-control-laws)
- [noise curtain (1)](https://blog.echobarrier.com/blog/tag/noise-curtain)
- [noise fence panels (1)](https://blog.echobarrier.com/blog/tag/noise-fence-panels)
- [noise mitigation (1)](https://blog.echobarrier.com/blog/tag/noise-mitigation)
- [noise reduction in mining (1)](https://blog.echobarrier.com/blog/tag/noise-reduction-in-mining)
- [noise texas (1)](https://blog.echobarrier.com/blog/tag/noise-texas)
- [nrc (1)](https://blog.echobarrier.com/blog/tag/nrc)
- [pickleball noise (1)](https://blog.echobarrier.com/blog/tag/pickleball-noise)
- [pile driver noise (1)](https://blog.echobarrier.com/blog/tag/pile-driver-noise)
- [portable air conditioner (1)](https://blog.echobarrier.com/blog/tag/portable-air-conditioner)
- [portable cutting station (1)](https://blog.echobarrier.com/blog/tag/portable-cutting-station)
- [project manager (1)](https://blog.echobarrier.com/blog/tag/project-manager)
- [pros and cons of fracking (1)](https://blog.echobarrier.com/blog/tag/pros-and-cons-of-fracking)
- [quiet (1)](https://blog.echobarrier.com/blog/tag/quiet)
- [quiet generators (1)](https://blog.echobarrier.com/blog/tag/quiet-generators)
- [quietest circular saw (1)](https://blog.echobarrier.com/blog/tag/quietest-circular-saw)
- [quietest generators (1)](https://blog.echobarrier.com/blog/tag/quietest-generators)
- [quietest jackhammers (1)](https://blog.echobarrier.com/blog/tag/quietest-jackhammers)
- [quietest table saws (1)](https://blog.echobarrier.com/blog/tag/quietest-table-saws)
- [recycle (1)](https://blog.echobarrier.com/blog/tag/recycle)
- [reducing noise from cutting (1)](https://blog.echobarrier.com/blog/tag/reducing-noise-from-cutting)
- [reducing noise on indoor construction sites (1)](https://blog.echobarrier.com/blog/tag/reducing-noise-on-indoor-construction-sites)
- [remodelling (1)](https://blog.echobarrier.com/blog/tag/remodelling)
- [renovation (1)](https://blog.echobarrier.com/blog/tag/renovation)
- [reusable acoustic barriers (1)](https://blog.echobarrier.com/blog/tag/reusable-acoustic-barriers)
- [road noise barrier (1)](https://blog.echobarrier.com/blog/tag/road-noise-barrier)
- [season (1)](https://blog.echobarrier.com/blog/tag/season)
- [seasonal rentals (1)](https://blog.echobarrier.com/blog/tag/seasonal-rentals)
- [site barriers (1)](https://blog.echobarrier.com/blog/tag/site-barriers-es)
- [solutions for mitigating noise at festivals (1)](https://blog.echobarrier.com/blog/tag/solutions-for-mitigating-noise-at-festivals)
- [sonyc (1)](https://blog.echobarrier.com/blog/tag/sonyc)
- [sound apps (1)](https://blog.echobarrier.com/blog/tag/sound-apps)
- [sounds blankets for live events and concerts (1)](https://blog.echobarrier.com/blog/tag/sounds-blankets-for-live-events-and-concerts)
- [sports and community (1)](https://blog.echobarrier.com/blog/tag/sports-and-community)
- [summer construction (1)](https://blog.echobarrier.com/blog/tag/summer-construction)
- [sustainable (1)](https://blog.echobarrier.com/blog/tag/sustainable)
- [sustainable acoustic barriers, (1)](https://blog.echobarrier.com/blog/tag/sustainable-acoustic-barriers)
- [temporary sound absorbing blankets (1)](https://blog.echobarrier.com/blog/tag/temporary-sound-absorbing-blankets)
- [traffic noise (1)](https://blog.echobarrier.com/blog/tag/traffic-noise)
- [traffic noise barrier (1)](https://blog.echobarrier.com/blog/tag/traffic-noise-barrier)
- [traffic noise wall (1)](https://blog.echobarrier.com/blog/tag/traffic-noise-wall)
- [transformer (1)](https://blog.echobarrier.com/blog/tag/transformer)
- [transformer noise (1)](https://blog.echobarrier.com/blog/tag/transformer-noise)
- [tree noise absorption (1)](https://blog.echobarrier.com/blog/tag/tree-noise-absorption)
- [tree sound absorption (1)](https://blog.echobarrier.com/blog/tag/tree-sound-absorption)
- [truck stop noise (1)](https://blog.echobarrier.com/blog/tag/truck-stop-noise)
- [truck terminal noise (1)](https://blog.echobarrier.com/blog/tag/truck-terminal-noise)
- [truck yard noise (1)](https://blog.echobarrier.com/blog/tag/truck-yard-noise)
- [using echo barriers (1)](https://blog.echobarrier.com/blog/tag/using-echo-barriers)
- [wash echo barrier (1)](https://blog.echobarrier.com/blog/tag/wash-echo-barrier)
- [waterproof acoustic panels (1)](https://blog.echobarrier.com/blog/tag/waterproof-acoustic-panels)
- [wedding (1)](https://blog.echobarrier.com/blog/tag/wedding)
- [what is environmental noise? (1)](https://blog.echobarrier.com/blog/tag/what-is-environmental-noise)
- [winter (1)](https://blog.echobarrier.com/blog/tag/winter)
- [z frequency weighting (1)](https://blog.echobarrier.com/blog/tag/z-frequency-weighting)

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