Things you should know about sound blankets and sound curtains

Soundproofing is an art that can be approached in different ways, as is apparent by the wide array of products on the market promising to lessen or eradicate undesired noise. Nonetheless, a one-size-fits-all soundproofing product exists that will successfully prevent noise across all applications.

Efficiently lessening unwanted noise involves understanding the science behind sound and applying methods and treatments that counteract the natural tendency of the sound waves to pass through and reflect from structures.

Sound transmission describes the tendency of a sound wave to pass through molecular mediums like air, floors, and walls, while sound reflection refers to the part of the wave that reflects from a surface instead of travelling through. Professional sound reduction treatments are generally meant at controlling sound transmission and capturing sound reflections to lessen the audible decibel level in a particular area.

As preventing sound reflection and sound transmission need various treatment methods, some soundproofing solutions focus on both the behaviors while the goals of other projects can be accomplished by absorption treatment only. Sound blankets are highly efficient, customized treatments designed to absorb sound reflections and impact a drop in the audible decibel level in an area surrounding a fixed source of sound.

In many cases, a source of undesired sound is not confined within an enclosed area, as in the case of outdoor residential air conditioning units, loud industrial equipment and pool pumps. For such fixed sound sources, outdoor or indoor sound curtains can be used to absorb sound waves in the area surrounding the sound source, lessening the overall decibel level to people nearby. These might be affixed to a frame covering noisy equipment, suspended from a wall or a ceiling, or attached directly to the equipment if possible.

Various types of fabric wrapped panels are available to meet the various demands associated with controlling stationery noise. Some Sound blankets are designed to suspend from an indoor wall or ceiling and work as sound absorption curtains. More heavyweight sound control blankets comprising of fiberglass surrounding an inner layer of vinyl, absorb sound waves while serving as a barrier to further lessen noise levels in an area. Specialized sound control blankets are also designed to meet the demands associated with adverse environments. For use in industrial environments, sound control blankets are lined with a layer of dB-Bloc on the exterior, guarding the blanket against abuse and enabling more flexibility than its vinyl lined counterpart. For external environments or indoor environments featured by extreme moisture and heat, sound control blankets are available with a protective silicone facing to protect against the UV rays, moisture and heat.

For noise control for hospitals, sound control blankets are generally customized to create fitted enclosures that ensure maximum absorption of sound while enabling for proper ventilation of the equipment.

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