noise

Acoustic Barrier Sound

Acoustic Barrier Sound

Acoustic Barrier Sound

Understanding the rules governing the cavity barriers

With advances in construction technology, cavity barriers have become an element standard construction. They are widely used by manufacturers and installers to improve the thermal efficiency and fire resistance of a building. Whereas the importance of cavity barriers is essential to understand the regulations that determine the authorities. Knowing these rules helps us to make an informed decision barriers to buying a building cavity.

Test Cavity Insulation barriers

The main objective of the installation the cavity barrier is to achieve a thermal break. Therefore, it is essential to test the barrier properties of cavity insulation before installing. Find the material for manufacturing a cavity barrier to understand its thermal behavior. Check the R-value of the raw material. This gives a fair idea of ​​the conductivity thermal material. Polystyrene is a good insulator and is widely used in the manufacture of closure of the cavity. Renowned manufacturers typically use a chemical process polystyrene derivatives to improve thermal efficiency.

In addition, you should check the installation of the barrier of the cavity. A good barrier is easy to install and is flexible enough to accommodate different forms. Delete barriers that require screws, adhesives or complex tools for installation. The installation process should save time by eliminating the complex process of wooden dummy. Compatibility is another factor to consider. It should readily accept window systems of different sizes.

Cavity fire barriers

Cavity barriers should not act as a transit system of smoke and fire. You must have the property fire resistance. According to building codes in the United Kingdom, any cavity near the edges or perimeter of a fire-prone element must be treated with cavity barrier 100% fire resistant. The only exceptions to this rule are cavities in the floor and ceiling, where the element should have the property of fire resistance 30 minutes. To increase fire resistance property of the barriers of the cavity, some manufacturers add fiber or glass items. It is important to ensure that the barrier has been tested and approved for fire resistance by the appropriate authority.

Testing noise barriers for cavity

barriers the cavity should have a high acoustic performance as the building regulations. Should be used together with the cavities of the inner and outer wall for steel structure or building wood structures to reduce noise transmission. The barrier of the cavity acoustic performance is even stricter for buildings that require mandatory soundproofing.

Environment-friendly cavity barriers

Find href = "http://www.cavalok.com/" title = "Barriers cavity" cavity barriers> are made ​​from raw materials and environmentally friendly. Help reduce pollution and preserve the environment. PVC-U is widely used by manufacturers to close the cavity to produce environmentally friendly. These products are manufactured from solid recycled material collected from consumer waste. Encourage manufacturers use no harmful chemicals and gases harmful to the environment in the process production. The use of cavity barriers manufactured by recycling helps to gain the approval of the supervisory authority in a matter of local buildings.

Although not part of the standards, durability is a crucial factor to decide the election, while the cavity barriers. Cavity barrier should be constructed with durable material that can withstand extreme conditions of the work without cracking. In addition, cavity barriers should not get easily affected by periodic changes in the building, such as shrinking, sinking or heat exchange.

For more information on cavity barriers, http://www.cavalok.com visit. Cavalok Building Products is a leading UK manufacturer of fasteners of the cavity, the recipients of the window and breathing systems on board the head. Responding to the demands of a customer base of environmentally conscious, manufactures closers Cavalok products PVC cavity through recycling. Through innovation and experimentation, Cavalok has mastered the science and art of making lasting closers cavity. Their products are easy to set approved by the British Board of Agreement (BBA) and the National Construction Council (NHBC). While closures the custom window and door, Cavalok supplies to major UK manufacturers and installers.

AcoustiWood Sound Barrier Fence System Demonstration


Sonic Barrier 1
Sonic Barrier 1" Acoustic Foam w/PSA 18" x 24"
List Price: $17.99
Sale Price: $12.23
You save: $5.76 (32%)
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Description

The Sonic Barrier 1" acoustic damping foam is a precisely engineered material that offers optimum absorption for its thickness. The material features our exclusive embossed surface finish that helps to trap acoustic energy and improve high frequency performance. This finish is applied to an acoustic-grade open-cell polyether foam, which absorbs and converts the acoustic energy into low-level heat. A very aggressive pressure sensitive adhesive provides easy and permanent installation onto any surface. The Sonic Barrier 1" foam is excellent for general loudspeaker cabinet use. The non-composite nature of this material means that it acts as a sound absorbent across a wide range of frequencies. For situations where the cabinet walls are already acoustically dead, composite barriers may not be necessary-- in this case, the pure foam material can offer a lower-cost alternative with minimal difference in performance. The foam will help absorb unwanted sound from within the cabinet without disrupting airflow between the driver and port. This can reduce unwanted sound reflections and prevent them from exiting through the cone or port. The foam can cause an increase in apparent volume, which can help to offset the space taken up by the driver or the port. Sold in 18" x 24" Sheets

Features

  • Precisely engineered material that offers optimum absorption for its thickness
  • Features our exclusive embossed surface finish
  • Helps to trap acoustic energy and improve high frequency performance
  • Absorbs and converts the acoustic energy into low-level heat
  • Non-composite nature of this material
Lightweight Vinyl Sound Damping Sheet 10
Lightweight Vinyl Sound Damping Sheet 10" x 13"
List Price: $6.99
Sale Price: $4.25
You save: $2.74 (39%)
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Description

The VE-1 was formulated for maximum damping efficiency over a broad frequency and temperature range. It is made of a mineral filled viscoelastic polymer that transforms vibrational energy into thermal energy (low level heat). It provides twice the damping of asphalt based product without the weight and odor. The VE-1 has a grain leather finish and is cosmetically pleasing, so it can be used on front speaker baffles and other applications that are visible to the eye. The flexible nature of the VE-1 damping sheets enables it to mold and conform to irregular surfaces. It can be easily cut using a standard razor knife or scissors. The pressure sensitive adhesive makes for easy peel and stick installations and will adhere to most surfaces including metal, wood and fiberglass. Excellent flame resistance, can handle continuous temperatures up to 250° F and meets UL94V-O. Thickness: .050".

Features

  • Twice the damping and half the weight of asphalt based damping sheets
  • Easy peel and stick application
  • Makes excellent gasket material
Atlas Sound CP700 Commercial Duty Power Amplifier
Atlas Sound CP700 Commercial Duty Power Amplifier
List Price: $697.00
Sale Price: $510.88
You save: $186.12 (27%)
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Description

Whether your application is a large distributed constant voltage sound system or a high SPL sound reinforcement system, the Atlas Sound CP700 is the perfect answer for high power/low cost amplification needs. A professional grade audio power amplifier specifically designed for demanding contractor applications, the CP700 features esoteric grade toroidal power supply and output transformers. These transformers were chosen for their outstanding reliability as well as extended frequency response. Plus, the CP700's two independent channels are driven by separate power supplies to ensure maximum channel separation and ultra low distortion figures while providing years or faithful service. Specifications: • Power output: 240 watts x 2 (8 ohms), 400 watts x 2 (4 ohms), 550 watts x 2 (2 ohms) • Bridged mono: 850 watts x 1 (8 ohms); 1,100 watts (4 ohms) • Transformer outputs: 280 watts x 2 (25V), 350 watts x 2 (70.7V/100V), 700 watts x 1 (140V/200V Bridged) • Frequency response: Direct: 30 Hz-50 kHz; Transformer: 30 Hz-16 kHz • S/N ratio: >100 dB • Voltage gain: 32 dB • Damping factor: >200 dB • Net weight: 54 lbs. • Dimensions: 18.9" W x 5.19" H x 16.85" D • Mfg. #CP700

Features

  • Stereo, bridge, or parallel operating modes selectable via rear mounted switch
  • Balanced inputs on barrier strip and XLR connectors
  • Short-circuit, temperature, and DC offset protection
  • 25V, 70.7V, 100V, and direct-coupled barrier strip outputs
  • Soft clip limiter protection
Atlas Sound SM8SUB70-W Surface Mount 8 Subwoofer System Passive Crossover 70V Transformer
Atlas Sound SM8SUB70-W Surface Mount 8 Subwoofer System Passive Crossover 70V Transformer
List Price: $374.95
Sale Price: $277.99
You save: $96.96 (26%)
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Description

The SM8SUB70 8 subwoofer system is perfect for restaurants, bars, and high-fashion retail outlets. The system utilizes a 8 woofer housed in a 915 cubic inch multi-angle, flyable, wood enclosure system to provide extended low frequency response with a wide variety of mounting options. Not for outdoor use.Inserts are included for use with 14-20 drop forge eyebolts, optional SM8CBKT-B -W mounting bracket and OmniMount 30 series hardware. An 18 dBoctave three-pole passive crossover eliminates the need for a separate electronic network or dedicated amplification to power the speaker. Its low crossover point 120Hz nearly eliminates localization, allowing a designer to boundary-load the SM8SUB70-B near a wall or into a corner for maximum output, while maintaining even coverage throughout the space.

Features

  • Multiple 1D4-20 inserts, providing fly points for a variety of mounting configurations
  • Includes internal high efficiency 60 Watt 70.7100V transformer may be bypassed for 8 ohm operation
  • Barrier strip input for 70.7100V8 ohm or parallel 4 pole Speak-On input for 8 ohm operation only
  • Unique input panel allows use of standard 4 square
  • box cover Raco 753 or eq. for applications where flex conduit is required for termination
Atlas Sound SM8SUB70-B 8
Atlas Sound SM8SUB70-B 8" Surface Mount Subwoofer
List Price: $374.95
Sale Price: $277.99
You save: $96.96 (26%)
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Availability: Usually ships in 1-2 business days
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Description

The SM8SUB70 8" subwoofer system is perfect for restaurants, bars, and high-fashion retail outlets. The system utilizes a 8" woofer housed in a 915 cubic inch multi-angle, flyable, wood enclosure system to provide extended low frequency response with a wide variety of mounting options. (Not for outdoor use!). Inserts are included for use with 1/4"-20 drop forge eyebolts, optional SM8CBKT-B /-W mounting bracket and OmniMount™ 30 series hardware. An 18 dB/octave three-pole passive crossover eliminates the need for a separate electronic network or dedicated amplification to power the speaker. Its low crossover point (120 Hz) nearly eliminates localization, allowing a designer to boundary-load the SM8SUB70-B near a wall or into a corner for maximum output, while maintaining even coverage throughout the space. A premium 70.7V transformer allows the SM8SUB70 to be paralleled with any 70.7V commercial audio system to provide extended low frequency response and more overall audio impact for foreground music systems. (Unit is also 8 ohm compatible).

Features

  • Attractive, yet heavy-duty grille assembly
  • Barrier strip input for 70.7/100V/8 ohm or parallel 4 pole Speak-OnT input for 8 Ohm operation only
  • Durable black, rough-coat finish
  • Fuse protection for driver
  • Includes internal high efficiency 60 watt 70.7/100V transformer
Auralex J-10SHBL SheetBlok 10'x4'x0.125 Roll of Mass-Loaded Vinyl in Black Only
Auralex J-10SHBL SheetBlok 10'x4'x0.125 Roll of Mass-Loaded Vinyl in Black Only
Sale Price: $189.00
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Availability: Usually ships in 1-2 business days
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Description

SheetBlok Sound Isolation Barrier is a dense, limp-mass vinyl material that is about 6dB more effective than solid lead at stopping the transmission of sound. It acts as a thin, dense sound barrier layer in walls, ceilings or floors and is most effective when used as one component of a multi-layered construction scheme. SheetBlok helps in decoupling (i.e. floating) floors and walls and, while it's not normally considered a finish product per se, it is paintable with latex paint.

Features

  • dense, limp-mass vinyl material that is about 6dB more effective than solid lead at stopping the transmission of sound
  • Service Temperature: -40° to 180° F
  • Tensile Strength: 400 psi Tear Strength: 70#/inch; Flammability: Rated UL94 S.E. "0"; Passes test MVSS-302
Atlas Sound SM8CXT-B 8
Atlas Sound SM8CXT-B 8" Coaxial Speaker System Black
List Price: $450.00
Sale Price: $334.50
You save: $115.50 (26%)
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Description

The SM8CXT-B features the high efficiency and pattern control of Atlas Sound's compression driver coaxial loudspeakers in a new, highly versatile enclosure system. Internal hardware for flying includes multiple (12) 1/4"-20 inserts for overhead suspension in most any orientation. A unique input panel allows use of standard 4" square box cover (Raco 753 or eq.) for applications where flex conduit is required for termination. A 90° conical pattern (2 kHz octave band) and amazing efficiency make these a perfect choice for a wide variety of high-ceiling applications including school auditoriums, gymnasiums, cafeterias, convention centers, church sanctuary systems, and more. Sold individually. Specifications: • Power handling: 150 watts RMS • 70.7V Taps: 7.5, 15, 30, 60 watts (plus xfmr. bypass for 8 ohm operation) • Frequency response: 60 Hz-15 kHz • Sensitivity: 92 dB 1W/1m • Dispersion: 90° • Net weight: 19 lbs. • Dimensions: 15-1/2" H x 10-5/8" W x 10-3/8" D • Mfg. #SM8CXT-B

Features

  • High performance Atlas Sound coaxial loudspeakers in a versatile, flyable, wood enclosure
  • Durable, black, rough-coat finish with an attractive, heavy-duty metal grill assembly
  • Internal, high efficiency 60 watt 70.7/100V transformer (may be bypassed for 8 ohm operation)
  • Barrier strip input for 70.7/100V/8 ohm or parallel 4-pole Speakon® input for 8 ohm operation only
  • Fuse protection for low and high frequency drivers
Atlas Sound SM12CXT-B 12
Atlas Sound SM12CXT-B 12" Coaxial Speaker System Black
List Price: $619.00
Sale Price: $455.92
You save: $163.08 (26%)
  Eligible for free shipping!
Availability: Usually ships in 1-2 business days
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Description

The SM12CXT-B features the high efficiency and pattern control of Atlas Sound's compression driver coaxial loudspeakers in a new, highly versatile enclosure system. Internal hardware for flying includes multiple (12) 1/4"-20 inserts for overhead suspension in most any orientation. A unique input panel allows use of standard 4" square box cover (Raco 753 or eq.) for applications where flex conduit is required for termination. A 90° conical pattern (2 kHz octave band) and amazing efficiency make these a perfect choice for a wide variety of high-ceiling applications including school auditoriums, gymnasiums, cafeterias, convention centers, church sanctuary systems, and more. Sold individually. Specifications: • Power handling: 250 watts RMS • 70.7V Taps: 7.5, 15, 30, 60 watts (plus xfmr. bypass for 8 ohm operation) • Frequency response: 55 Hz-15 kHz • Sensitivity: 99 dB 1W/1m • Dispersion: 90° • Net weight: 39 lbs. • Dimensions: 19" H x 14-1/2" W x 14-1/16" D • Mfg. #SM12CXT-B

Features

  • High performance Atlas Sound coaxial loudspeakers in a versatile, flyable, wood enclosure
  • Durable, black, rough-coat finish with an attractive, heavy-duty metal grill assembly
  • Internal, high efficiency 60 watt 70.7/100V transformer (may be bypassed for 8 ohm operation)
  • Barrier strip input for 70.7/100V/8 ohm or parallel 4-pole Speakon® input for 8 ohm operation only
  • Fuse protection for low and high frequency drivers
Auralex J-30SHBL SheetBlok 30'x4'x0.125 Roll of Mass-Loaded Vinyl in Black Only
Auralex J-30SHBL SheetBlok 30'x4'x0.125 Roll of Mass-Loaded Vinyl in Black Only
List Price: $399.00
Sale Price: $349.00
You save: $50.00 (13%)
  Eligible for free shipping!
Availability: Usually ships in 1-2 business days
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Description

SheetBlok Sound Isolation Barrier is a dense, limp-mass vinyl material that is about 6dB more effective than solid lead at stopping the transmission of sound. It acts as a thin, dense sound barrier layer in walls, ceilings or floors and is most effective when used as one component of a multi-layered construction scheme. SheetBlok helps in decoupling (i.e. floating) floors and walls and, while it's not normally considered a finish product per se, it is paintable with latex paint.

Features

  • dense, limp-mass vinyl material that is about 6dB more effective than solid lead at stopping the transmission of sound
  • Service Temperature: -40° to 180° F
  • Tensile Strength: 400 psi Tear Strength: 70#/inch; Flammability: Rated UL94 S.E. "0"; Passes test MVSS-302
Thermo-coustic Sound Deadening Deadener & Heat Barrier
Thermo-coustic Sound Deadening Deadener & Heat Barrier
Sale Price: $149.99
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Description

Eastwood Thermo-Coustic is the ultimate in thermal and acoustic protection for your muscle car, street rod, SUV, truck, or boat. Minimize road noise Reduce engine and exhaust heat Increase stereo sound quality High strength adhesion Easy to install Equivalant in performance to more expensive name brands Includes (9) 18"x30"x0.063" thick sheets to cover a total of 33.75 sq. ft.

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Wednesday, May 18th, 2011 Mini Home Theater Comments Off