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Sonic-Fiber Mineral Wool

Sonic-Fiber mineral wool is one of our most popular and effective soundproofing products. Acting as a sound absorption material Sonic-Fiber mineral wool is used in all of our acoustical panels whether they are hard sided or soft sided. Since we use acoustical panels in almost all of our soundproof enclosures, Sonic-Fiber wool shows up in our soundproofing solutions over and over again in many different product forms.


Whenever residential, commercial, industrial or transportation noise problems call for sound absorption, we look to our mineral wool as our first “line of defense” against unwanted noise. Easy to handle and relatively lightweight, Sonic-Fiber is a semi-flexible non-asbestos mineral wool that provides greater sound attenuation than fiberglass bats or urethane foam.

Sonic-Fiber is naturally hydrophobic (repels water), fire resistant, does not promote mold growth, and is vermin-proof.  It is available in sheets that are either un-faced or faced on one side with an encapsulant which protects the fibers and acts like a vapor barrier. Sonic-Fiber comes in standard size sheets of 4’ x 6’ with a 2” thickness, and a density of 8 lbs/cu-ft.  Mechanical and acoustic properties are provided below.

The Noise Reduction Coefficient (NRC) of a material is obtained through testing by a certified laboratory to ASTM standards.  The NRC is an indication of the amount of sound energy absorbed upon striking a particular surface.   An NRC of 0 indicates perfect reflection (such as a smooth concrete surface) and an NRC of 1 indicates perfect absorption.  Sonic-Fiber™ is used inside rooms, enclosures and walls to significantly reduce acoustical reflections and overall sound energy, and may be used together with sound barrier materials, such as Sonic-Shield™ Noise Barrier.

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Our Sonic-Curtains are made using
Sonic Fiber Mineral Wool for noise absorption.


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