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Soundproofing Question Form

Ask us about anything Soundproofing here!

STC Value of Acoustical Caulk

“Backer Square” is cheaper and less labor-intensive than multiple thicknesses of acoustical caulk for filling large gaps.

Cutting sound control insulation with the InsulKnife



Cuts all types of insulation!

Tips for builders.

CAULKING – Backer Rod or Backer Square?

Acoustical caulk, if installed as a full load into the open seam or joint will maintain the STC of the wallboard, (sheetrock, drywall, etc), but this entails a lot of caulk.

You need to caulk the full depth of the seam, not just lay a bead in it.  “Backer Square” helps here; it’s a closed cell foam (far superior to open cell foam ‘backer rod’ commonly used by contractors to reduce the amount of caulk needed in seams).

The technique is to apply the Backer Square (1/2″X1/2″ or 3/4″X1″) where the wallboard is to be installed with a bit of a recess to as to leave some room for the caulk.  It has an adhesive backing, so is easy to install and won’t move as the caulk is used over it to fill the gap.  This saves caulk and saves time caulking.  On a big job, it gets tiresome squeezing the handle of the caulk gun!


Quietud: €œ Una practica guia para el control del ruido €. Anteriormente impresa por la EPA. Como €œQuie€¦

S U P E R     I N S O N O R I Z A C I O N

su primer recurso de insonorizacion en la internet

Ahora disponible, para usted , una reimpresion de el popular manual de insonorizacion, este manual esta impreso con las reglas establecidas por la nacional EPA. Publicado por tiempo, nosotros ponemos a su disposicion una reimpresion, de este manual solamente por el bajo costo de impresion y pago de correo.

“Quietud: Una practica guia para el control del ruido€  Anteriormente impreso por la Nacional EPA, como “Quietud en el hogar”. Con 120 Paginas, 8.5″ X 11″ completamente ilustradas, incluye detalles tecnicos exactos, simples y sencillos sin mucha tecnica.

INDICE:  Basicos principales para la reduccion del ruido.

Capitulo 1:

  • El control del ruido desde su origen.
  • Conceptos de origen, trayectoria y receptor.
  • Requerimientos para el funcionamiento de la quietud
  • El control del ruido destro de la senda de transmision.
  • Factores que afectan el recorrido del sonido.
  • €œQuietud€ dentro de la trayectoria.
  • Protegiendo el receptor.

Capitulo 2

  • Control del ruido en el hogar.
  • Transmision y aerotransportacion del ruido en la estructura.
  • El bloqueo del ruido y sus efectos.
  • Franqueando la transmision del ruido.
  • Soluciones generales para el control del ruido en el hogar.
  • Absorcion del sonido VS la insolacion del sonido.
  • El ruido de la cocina.
  • Cuartos de juego y recreacion.
  • Corredores, pasillos y escaleras.
  • Mejorar la privacidad de su alcoba, y el area del piso del bano.
  • Perfeccionando la aislacion de sonido de los muros.
  • Perfeccionando la aislacion de sonido del piso y construccion del techo.
  • Control de el piso que rechina.
  • Control de las escaleras que rechinan.
  • Control del ruido de los sistemas de calefaccion, ventilacion y aire acondicionado.
  • Control del ruido del conducto.
  • Ruido y vapor del calentador.
  • El ruido del rodapie del sistema de calefaccion.
  • Control del ruido de las instalaciones sanitarias.
  • Control del ruido del chorro del canal de deshague.

Capitulo 3

  • Como se coloca la aislacion de ruido en su hogar en contraste con el aire libre.

Capitulo 4

  • Seleccionando la tranquilidad de su casa o apartamento.

Capitulo 5

  • Una guia para la compostura de averias.
  • Analizando el problema.
  • Como buscar las fugas de ruido.
  • Usando sus oidos €“ y un contador de ruido barato.
  • Usando en su casa los aparatos e implementos que mencionamos.
  • Probables causas del ruido, quejas, problemas y soluciones.
  • Tecnicas generales para disminuir el ruido.
  • Indice especifico que le muestra problemas y remedios del ruido.
  1. Este manual viene escrito en capitulos, por practico y guia, ha servido a muchos para resolver problemas del control del ruido/sonido. Incluye tecnicas especificas para usar en la absorcion del sonido, los materiales a usar y sus STC raitings.Contiene imagenes sobre la reflexion, la reverberacion y fracciones en aplicaciones para motores, generadores. En la construccion de casas, oficinas e industrias. Ruido de aviones, aves, perros ladrando y muchas mas ilustraciones.

2.  Nosotros le enviaremos unos pequenos ejemplos a cuenta nuestra de los materiales acusticos , asi como una guia para usar los canales de metal para la maxima reduccion de sonido al costo mas bajo!

Ordene con su tarjeta de credito por el servidor de seguridad!

  • Obtenga una copia de este libro por correo……..Por el precio de $15.00 dolares con porte pagado (Canada y Mexico agregar $3.75)
  • (Usted selecciona este medio de envio o tambien se lo podemos enviar a su cargo de un dia para otro si usted tiene su propio numero de cuenta para envios en alguno de estos medios: FED-EX, Airborne, UPS,
  • Obtenga una copia rapido por correspondencia de prioridad……Por el precio de $18.50 Con porte pagado (Tambien enviamos algunas ordenes al extranjero por este precio, solamente por correspondencia ordinaria.
  • Obtenga su copia igualmente rapido por aire (UPS) Por el precio de $28.50 dolares, en el extranjero.   $24.00 dolares.

GREEN GLUE for sound reduction and noise control.


Our green glue vs that other runny thin stuff!  (Better called “Green Glop!”.)

While it’s not a soundproofing paint, it’s even better!  (Yes, we Do have a soundproofing paint)!

Big 29 OZ tubes of Green glue make it easy to use

We were the first Western Region distributors for GREEN GLUE! We stock massive quantities of it and sell it in odd lots (Tubes) so you don’t have to buy more than you need!

For existing walls, just apply Green Glue to some new sheets of drywall and stick it up on the wall, fasten in a few places, tape off and paint or wallpaper! For bare studding or ceiling joists, for double drywalling, use MLV.  Apply padding tape to the studs before hanging the sheets for even more enhanced sound control! Easy to use, for small jobs it comes in caulk-type 29 oz. tubes or in buckets for large jobs.  A case of 12 covers about 190 Sq. Ft.  (A wall 24′ long and 8′ high).  Dollar for dollar delivered, the best value in soundproofing products!

Priced too low to show here!  Call for best price.


The Ultimate in a Sound deadening paint

Buy Now

The Ultimate in a Sound Damping Coating!Almost like a soundproofing sound deadening paint!  (See the Video!)

Use this acoustic treatment to block and dampen sound!

Super Soundproofing Co™, (San Marcos, Ca.) master distributors, is introducing Noxudol 3101, a patented water-based soundproofing sound insulation and deadening compound. Along with being water-based, it absorbs noise and vibration, is sprayable, nontoxic, dries hard. It works really well for damping resonance in aluminum, steel, fiberglass and poly-glass. It is nonabrasive, anti-corrosive, protects against condensation and is ideal for automotive, industrial and railway applications.  Plus – the flame-retardant properties are awesome!

While not a sound proofing paint, it’s pretty close!  (It’s thicker, but can be sprayed). For sound barrier, use MLV.

Sound deadening with Noxudol 3101Reference object – Djupviks ShipyardBefore: Usually, they glued 1,5 mm aluminium plate with 1 mm glue on the inside of the hull. This required 1 working hour per sqm. All the aluminium plates had to be cut to the exactly right size. The weight per sqm was 5 kg.Today: All vertical places, which need sound damping, included the frame ribs, are treated with Noxudol 3101. Up to 5 kg/sqm can be applied without exceeding the cost for the material of the old system. However, Noxudol 3100€™s unique sound damping properties and the possibility to treat 100 % of all vertical surfaces and frame ribs, reduce the requirement of material to about 2 kg/sqm (about 3 litre/sqm wet material). They apply up to 3 kg/sqm on surfaces where extra sound damping is required.

– Less working hour to sound damping one sqm. Up to 80% reduction.
– Reduced material cost.
– Less weight. Up to 50% reduction.
– Environmentally harmless product.
– Contains no solvent or other dangerous materials.
– Better sound damping results.

– Lloyd Certificate of Fire Approval
– Bureau Veritas Certificate of Type Approval
– Smoke generation 3101 ISO 5659-2 (1994)
– Spread of flame 3101 IMO Resolution A.653(16)
– Noxudol 3101 F1 Class
– Noxudol 3101 M1 Class
– DIN 54837 Adtranz Nox 3100
– Burning rate 3100 Volvo STD 5031,1
Notes on application:  To obtain proper results of sound deadening, the material needs to be built up on the surface it is applied to, with a number of coats, drying somewhat between coats, (It dries quickly),  increasing the thickness to 3/16th to 1/4″.  It can be sprayed with our special sound control spraygun!Not available in spray cans.It will dry hard and firm with a beige color.

How to use Soundproofing Paint!

Use for autobody sound control and undercoating.  Pickup bed coating!  Computer side panels. Reduce noise in washing machines or dryers by painting the back sides.  Soundproofing built-in light or recessed  fixtures.

Noxudol 999:   Aircraft firewalls and engine mounts! (See this Video!  It increases the resistance to fire of in-flight conditions). Paint your plywood shear walls.

Technical data for noxudol 3101 More Videos on this Product!



Interior windows are fitted to the inside frame of your existing windows and held in place with magnets, providing excellent sound reduction.  Please give us some info on how to contact you about how the windows are fitted and to discuss your needs.  Indicate if you feel competent to measure them and install them or need someone to come out and do it. It’s best to have one of our experts call you.  (We pay for the call that way!).

See our MagnaSeal Sytem!

Making Clear Interior Windows for SOUNDPROOFING


Low-cost Interior (Secondary) Windows for Soundproofing and reducing sound passing through existing windows.


For maximum sound reduction, the plastic acrylic panels should be thick and heavy, at least 1/4″ thick.  They should be readily removable.  They should not yellow from UV (Ultra Violet) sun rays over time.  They should be relatively inexpensive to buy and make.  They must fit well to eliminate sound leaks.

To overcome these and other shortcomings and still be able to have a reasonably cost effective product, we introduce:

MAGNETSEAL FRAMING for acrylic panels..

Start by taking your window measurements top, bottom and sides – for the plastic panel you need. (Which you can obtain locally from any plastics outlet.  (Look in the Yellow Pages under Plastic Suppliers). Have them cut your plastic 1/4″ or 3/8″ thick panel to size.  You need to decide whether to fit the flat sheet inside the edge frame of your window or over the face of the frame.  We recommend fitting over the entire wall opening because it will give a little more dead air space, which is what makes these types of windows work so well. Fitting to the inside opening may be more difficult than you imagine, especially if the opening is not square.  Only an inch or so oversize  of the opening is needed.

Take your acrylic edge measurements and add them together to order enough steel “Mounting Frame” and our special “peel off adhesive backed” 1″ wide Magnetic Tape for the job.  To install a 1/4″ or 3/8″ acrylic (Plexiglas) panel in your window you will need 4 “L” shaped metal trim pieces and enough magnetic tape for attachment to around the edges of your acrylic panels.  The  trim and the tape are sold by the foot, so you only have to buy what you need.

Window Magnet Seal

To install your window: Flush or Recessed?

Apply tape tape strips all around the acrylic edges as shown.

Attach the “L” shaped metal mounting trim to the window frame edges using screws, double sided tape or adhesive – if the new window is wider and taller and to be mounted over the face of the  opening, attach the trim angle over and around, covering the entire frame opening.


If Recessed, (This is harder to do) attach with the one leg of the “L” facing toward the existing window, just recessed enough for the new plastic panel to be  flush with the opening frame as shown.


Magna-Seal Magna-Seal Window


  • Make sure the magnetic tape does not have any gaps in the butt edges where it mates with other strips of tape at the corners.  These gaps will leak sound.
  • See that your “L” shaped trim is flat and square (not twisted or distorted) with the magnetic tape for maximum attachment strength.  Caulk the corners if there is any gap. The “L” trim goes around the entire perimeter of the window frame, not just in the corners as is shown for clarity in the drawings. If your windows has a “sill” to support the new window pane, you’ll not need tape and “L” channet for the bottom edge.  If no sill a few pane support screws should be added to prevent the pane from sliding down.
  • If there are any gaps that could leak sound, fill with caulk.
  • To quickly remove a flush window, use a bit of sticky tape.

Notes: If you desire a window that will not yellow or pass UV in the very long term, ask for Museum grade acrylic.  It will not yellow or pass UV for 20 years or more.  (Regular acrylic will last 7- 10 or more years, depending on climate and UV present).  Another of the advantages of using acrylic is that you can get it with tinting!

It’s best not to use polycarbonate or Lexan because it’s unbreakable and may delay in an emergency.

Tips on your existing windows: They must not pass any air through any gaps or crevices. Caulk or otherwise seal them off.  If need be, use some of our black foam, closed cell tape to make a gasket where they close.

If you have steel frames, (not aluminum!), you can use the magnetic tape without buying our metal framing stock. The plastic sheet will have to fit over and on the face on your frame.  If you want to mount this way, you don’t need the “L” frame, just use the magnetic tape, but you may not have much  essential air space.

You’ll need the small screws we supply to attach the L” shaped metal mounting frame, use the sheet metal type to attach to a metal frame (You’ll need to drill small pilot holes), and the supplied wood screws if PVC or wood.  Construction adhesive can also be used.  Double sided tape could be used with a small window, depending on the durability of the tape.  Do not attach the “L”  with the screws on the face where the plastic sheet goes!

* Why not just use glass?  Of course glass can be used and may even be cheaper.  But consider this:

The chance of breakage is far greater when installing and especially when removing the panes from the frame for cleaning, etc.  For this reason, use safety glass as it has a plastic center/filler which reduces (but doesn’t eliminate) the hazard of shatter and splinter effect if broken.  If it falls out and breaks, it will be finished – not like plastic. 

* IMPORTANT:  Keep the heat build-up in mind in the windows airspace that might occur if the window is facing the sun- your blinds, curtain, etc may get fried if they are inside the enclosure.  Window tint on the existing window might be in order if that could be an issue.


NEW! SOUND ISOLATION  DRYWALL CLIP AERO-SUPPORT (AS-1) Drywall mounting hardware reduces wall “build-out”.

Resiliently mounted wall Gypsum board (Drywall/ Sheetrock/ Wallboard) is now a industry standard for  reducing   sound transfer between walls in rooms.  The AS-1 Sound Isolation Mounting Clip (SIMC) is used with Furring Channel (DWFC) in order to mount these drywall panels.  This clip has several molded neoprene grommets that provides high sound insulation between the panel and the framing.  Slots and holes in the flanges can mount the DWFC in a variety of positions, eliminating the need for costly special brackets or time consuming furring-out blocks.

Shown Installed on a stud or joist.

SSP Aero Support Clip (AS-1)

Mounting Horizonally

Shown mounting horizontally or vertically as needed. SSP Aero Support Clip (AS-1)

For existing wallboard, a slot is cut to insert the unused leg then mounted &  fastened over the stud. Call us to discuss what to do about the “Resonant Chamber” created.



Build out of the clip/channel assembly can be less than 1/4″ over the face of the DWFC past the framing member.   (see below) or built out even more as desired to straighten uneven framing.

MLV may be  placed over clips with sound isolation tape installed.

The rubber mounting grommets used are unique “Pull-Down” units designed to lock the clip in place by compressing the rubber.  Depending on the application, not all three grommets are needed.

It mounts with  drywall screws (or other fasteners appropriate to the material to which it’s mounted), providing a low-profile sound control system that is low-cost and simple to implement.

One mount is used for every four to eight sq. ft. of wallboard area.  A typical 8′ wall  would have AS-1 clips  mounted to the studs in three horizontal rows  with fasteners, one row a few inches from the top and another few inches from the bottom and another in the middle.     2″  Neoprene 3/8″ thick  Vibration pads are spaced every 2′ on the floor to support the edge of the new drywall panels.  The drywall panels are then attached to the DWFC  vertically with drywall screws in the normal manner.  A gap must be provided where the walls meet the ceiling and other walls and sealed with a full load of acoustical caulk. Since the full weight of the drywall is not hanging from the DWFC, but is simply balanced there, (supported by the Neoprene pads),  the loading on the clips rubber mountings is much less, improving the sound reduction dramatically.

The gap at the floor is sealed either with lots of caulk and/or with  “Backer Square” to reduce the amount of caulk needed to seal the gap left by the vibration pad.  Adding one layer of 5/8″ Fire Code Drywall in this manner will double or triple the sound reduction of the existing wall.  More sound reduction would be obtained by adding more sound control elements into the project.  (Green Glue, etc).

These clips can be used to add a floating wall to a  wall where the existing drywall needn’t be removed.

Ceilings would be  similar to the above. However, due the fact we have not completed testing on the load handling capabilities of the clips, we don’t recommend using them for hanging ceilings at this time.

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floors and ceilings Our walk-in soundproofing store is located at 455 EAST CARMEL ST, SAN MARCOS, CA. 92078 -- Open 8-5 Weekdays. Saturdays 'till Noon! Location Map & Street View. Nearby Airports: San Diego, Palomar (Carlsbad), (Coaster, too!) Oceanside, Fallbrook, Temecula (Rancho California: French Valley). Call for pickup! (888) 942-7723 Se Hable Espanol!