acoustic insulation Articles

  • Acoustic and Insulated Sheeting

    Powerclad Acoustic and Insulated sheeting systems are insulation materials laminated to scaffold sheeting for temporary weather protection and containment applications. Powerclad provides an effective system for controlling noise on construction sites and conditioning the working environment in both hot and cold climates. The Flame Retardant grades are ...

  • Enhanced acoustic material testing in a tube

    Demands from the Industry   A growing number of customers demand quieter vehicle cabins, and cabin acoustic comfort has become a major concern for the automotive industry. Optimization of the acoustic insulation performance has, therefore, been given a more prevalent role in the design process. In the aircraft industry, acoustic comfort for customers and the use of new, lighter ...

  • Finding Acoustical Weak Points in Room Dividing Modular Walls Case Study

    Problem A conference hotel is using modular walls to divide large halls into several smaller conference rooms. The rooms are divided by modular walls that provide several different opportunities for subdivision and multipurpose use of the large area spaces. When measuring the sound insulation between adjacent rooms through the modular walls, the resulting value was found to be too ...


    By Norsonic AS

  • Does my site, house, or flat need a sound test? Sound Insulation Testing requirements.

    Approved Document E:  Resistance to the passage of sound’ governs the sound testing requirements for newly built, and refurbished dwellings, as well as newly-built and refurbished ‘rooms for residential purposes’ (e.g. hotels, student accomdation) constructed since 2003.  (link here: ...


    By Acoustic Tests

  • GKN aerospace success with portable impedance meter

    The GKN site in Cowes, Isle of Wight, UK, has long experience in the design and manufacture of passive sound insulation systems for air-intakes and by-pass ducts of aircraft engine nacelles. Dr. Armando Vavalle, Technology Development Engineer from GKN reports here on impedance tests conducted with Brüel &Kjær’s Portable Impedance Meter Type 9737 for the development of such ...

  • A study of the coincidence effect and critical frequency of a dash panel using the hybrid FEA–SEA and experimental methods

    This paper provides a new method to determine critical frequencies of any engineering structures by identification of peak frequencies of their internal damping loss factor curves. The novelty embodies the following aspects: first, the indirect method was applied to measure the critical frequencies of large complex thin–walled panels; second, the hybrid FEA–SEA was applied to analyse the sound ...


    By Inderscience Publishers

  • Shanghai International Gymnastics Center case study

    223’ (68 m) diameter CST Covers Aluminum Dome and matching lower facade National and international gymnastics competitions The 4,000 seat gymnastics center/arena was built for the eighth National Games of the People’s Republic of China. The mill finish CST Covers Aluminum Dome roof is engineered to support 45,000 kg or 100,000 pounds of sound cloud and catwalk loads. The ...


    By CST Industries Inc

  • Elements for a Position Paper on Night-Time Transportation Noise and Sleep Disturbance

    The EU Directive on the Assessment and Management of Environmental Noise (END) specifies Lnight as the indicator for sleep disturbance. This report presents relationships between Lnight and sleep disturbance for transportation noise. These relationships can be used in a position paper on relationships between Lnight and sleep disturbance for transportation noise by the working group 'Health and ...


  • Identifying Low-Frequency Tonal Noise in Windy and Noisy Conditions - Case Study

    Problem A large LNG gas facility (approximately 300m x 150m) producing 300 000 tons of LNG annually is situated in a terminal area with the nearest populated area at a distance of around 1 km. Within the gas production facility, a low-frequency tonal noise at around 500 Hz is generated causing complaints from nearby neighbours. The tone imposes a more stringent noise requirement on the ...


    By Norsonic AS

  • Case study - What is asbestos?

    Asbestos is the name for a group of naturally occurring silicate minerals that can be separated into fibers. The fibers are strong, durable, and resistant to heat and fire. They are also long, thin and flexible, so that they can even be woven into cloth. Because of these qualities, asbestos has been used in thousands of consumer, industrial, maritime, automotive, scientific and building products. ...

  • Measuring Impact of Traffic Noise in Apartment Living Room Case Study

    Problem An apartment on the ground floor of a two story house in the city lies close to a busy road. The living room in the apartment is facing the road, and the inhabitants are bothered by traffic noise, especially in the morning and the afternoon, when the traffic is the heaviest. Traffic noise could be clearly heard when standing in the living room. The facade facing the city ...


    By Norsonic AS

  • Pinpointing Low Level Sanitary Noise in Apartment Building Case Study

    Problem A newly built apartment building consists of several floors with multiple apartments on each floor. One of the ground floor apartments is disturbed by sanitary noise from the apartment above, which is heard whenever the toilets in the top apartment are being flushed. The sanitary noise is heard in several rooms, and the level was measured to be around 30 to 35 dB, which is above ...


    By Norsonic AS

  • Solid Waste Reduction: Insulform Pty Ltd

    Insulform Pty Ltd is a medium sized Melbourne based company that manufactures trim and insulation components for the automotive industry. Reformulation of the raw material and the process used to manufacture rear parcel shelves for passenger vehicles has resulted in significant cost savings, with reduced price to the customer, and the elimination of a significant solid waste stream. ...


  • What is asbestos?

    Asbestos is the name for a group of naturally occurring silicate minerals that can be separated into fibers. The fibers are strong, durable, and resistant to heat and fire. They are also long, thin and flexible, so that they can even be woven into cloth. ...

  • Composite construction products from waste tyres

    The construction industry consumes approximately 420 million tonnes of products per year, and therefore utilises large quantities of raw materials. Alternatives to primary materials in construction products are already widely used; examples include the use of construction and demolition wastes as aggregates, timber wastes in composite board products and by-products from steel-making in the ...

  • The mills grind efficiently

    The – “Milser Mühle“ – has relied on AERZEN for 50 years When the Borgstedt Family took over the Milser Mühle 130 years ago, at first, it only produced feed material, and then, from 1918, it started to produce flour for human food. “Therefore we selected oilfree compressing AERZEN Positive Displacement Blowers of series GM as conveying air producer ...

  • Mishandling of Hazardous Materials & Contaminants, Asbestos, Lead, Mould & Fungus, PCB`S

    Untitled Document Everyday in Canada and the United States Hazardous Materials are being removed improperly contaminating the buildings we occupy. The hazardous materials including ...

  • Case study - Beltran WESPs deliver superior gas cleaning performance for Zambia’s fast-growing copper industry

    The central importance of copper production to the Zambian economy is reflected in the fact that the value of copper exports in 2010, about $5.8 billion, accounted for 78 percent of the country’s total merchandise export earnings, and helped make it the seventh largest producer in the world. Capitalizing on a worldwide surge in copper prices and the coincident privatization of ...


    By Beltran Technologies, Inc.

  • Reducing the risk of dust explosion hazards

    In the wake of recent tragic and highly publicized dust explosions, companies are asking, 'Could that happen here?' and 'What can I do to prevent such an incident at my facility?' One approach is to manage dust explosion hazards as though they were subject to OSHA’s Process Safety Management (PSM) requirements (29 CFR 1910.119), even though dust hazards often are not covered under this ...


    By ABS Consulting

  • Asbestos: Eliminating the Threat

    While asbestos dangers are well documented, history has long avoided eliminating the threat it poses to human health. We are starting to progress in our waste habits by recycling different streams of waste and using closed landfills constructively. Composting food waste and recycling plastics, glass, metals, cardboard and newspapers is our way of life. We are ...


    By ABCOV Companies

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