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 Composites
Because few noise problems can be solved by using any one type of noise reducing material by itself, we design them in various combinations. For instance, it is frequently desirable to have a layer of vibration damping material, or, more often a layer of sound barrier material, adhered to a sound absorbing material.
Instead of simply increasing the mass of a barrier to obtain greater sound barrier properties, a lighter construction can be achieved by separating the barrier from the wall or panel with a spacer, generally called a decoupler. These decouplers are made from of light materials, such as polyester fiber or flexible foam.
Many of our composites are surprisingly complicated in composition; for example, our Barymat BTRLA-24C-ET is composed of a 1/2-inch open cell polyester foam acting as a decoupler attached to a 1.6 lb. per sq.ft. barrier, which in turn is attached to a 1-inch open cell polyester foam absorber faced with reinforced heat resistant foil. A moisture heat resistant edge tape is applied to the outside of the entire part, and attached to the 1/2-inch open cell polyester foam is a 3-mil acrylic pressure-sensitive adhesive with a release liner.
Our composites are sold under the registered trademarks Antivibe®, Barymat®, and Conasorb®.
Further information and guidelines for use can be found in Guidelines and Applications.
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