block filled with concrete. These ranges are soundproofed to the outdoors,
but on the inside, the noise from muzzle blasts can be unbearable to the
shooters even with ear protection.
The problem is that the noise from the firing weapons is confined and has
no where to go within this space.
There are ways to reduce this noise by up to 15 dB, which doesn't sound like
a much, but it would actually make the range much more tollerable and would
keep the muffle the noise and prevent it from reflecting endlessly off of the
walls, ceiling and the floor of the range.
There is a panels that is called Silent panel that is a propylene bead board
panel that is extremely effective and reducting the reverb and reflective
noise from the interior of the range.
Obviously the more area you cover the better the reduction would be.
The method for reducing the reflective noise is relatively easy. On the
concrete walls as well as the ceiling you would attach 1" furring strips
attached with masonry screws. The furring strips would be placed 2 ft apart
to allow for a bonded acoustical cottom backing to be fitted between these
strips. The bonded acoustical cotton helps to absorb the reflective noise in
conjunction with the Silent panels which we will discuss more in this article.
Once the walls and the ceiling are fitted with the 1" furring strips you
would then glue in sections of the 1 " bonded acoustical cotton strips. The
acoustical cotton material is called Echoless Roll matand it comes in rolls
that are 4' wide by 50' long (200 sq ft per roll) These rolls would need to
be cut in half down the middle so they would fit tightly between the 1"
furring strips. it is best to glue the Echoless material drectly to the
concrete walls between the furring strips. Once you have the Echoless roll
material adhered to the walls between the furring strip you come to the last
step in this process.
At this point you would adhere the Silent panels directly attached to the 1"
wood furring strips. You can actually hard fasten these panels to the furring
strios using decking screws. The Silent panels are not heavy and so they
could easily be screwed directly to the furring strips. The fact that the
Silent panels are simply screwed to the furring strips makes it easy to
replace the Silent panels should it become damaged by a stray round.
As stated before, the more area you cover with the system the better the
noise reduction will be.
These materials are relatively inexpensive and can make a remarkable
difference in the internal acoustics of your firing range.
this system has a two fold purpose and is able to absorb the noise from both
sides. The bonded cotton is one of the most absorbent materials on the market
today and in conjunction with the Silent panels which block and diffuse the
sound, you would have a very effective sound reduction system and your range
would be much more appealing to your shooting customers.
This sound absorbing system works for all indoor shooting ranges whether
public or private.
For more information on reducting the reverb and reflective noise in your
firing range, please contact the professionals at Soundproofing America, Inc.
Thanks for reading and learning about Gun range soundproofing.
www.soundproofingamerica.com
www.soundproofingamerica.us
e-mail bob@soundproofingamerica.com
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