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illbruck PROSPEC Decibel DropTM

Product Information

PROSPEC Decibel Drop, a high-performance viscoelastic-damping compound, decreases the sound traveling to adjacent rooms. It is easy to install between layers of drywall, plywood or sub flooring in new and retrofit applications. PROSPEC Decibel Drop is ideal for use in commercial, broadcast/audio, home theater and multifamily interior spaces.

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Advantages 3800 Washington Avenue North Minneapolis, MN 55412 Toll-Free 1-800-662-0032 [email protected] www.illbruck-acoustic.com

Complete Soundproofing 3750 Riviera Dr #3 San Diego CA 92109 1-866-300-3172 completesoundproofing.com

Decreases sound traveling to adjacent rooms Offers exceptional damping properties Superior performance in low frequencies Easy to install between drywall layers Class 1 fire-rated

illbruck PROSPEC Decibel DropTM

Product Information

Material PROSPEC Decibel Drop is a high-performance viscoelastic-damping compound. It provides an economical solution for reducing sound transmission into adjacent areas. Each case contains 12 -- 29 oz. cartridges. Installation

Use on walls, floors and ceilings Use in new construction or retrofit applications Apply 2 to 3 cartridges per 4' x 8' (32 sq. ft of drywall)

PROSPEC Decibel Drop's Effect on Wood Stud Wall Assemblies

70 60 50 40 30 Frequency Hz 20 10 Transmission loss (dB)

randomly over surface area; No trowling required Press drywall to first layer of drywall already installed and screw it to the studs Install on one or both sides of the wall See installation guide and technical data for more information Sound Transmission --

24" OC Studs; R13 Fiberglass Insulation; Drywall 5/8"; Coverage: 2 Cartridges/32 Sq. Ft.

STC BAND

80 100 125 160 200 250 315 400 500 630 800 1000 1250 1600 2000 2500 3150 4000 5000 1 layer of drywall on both sides 2 layers of drywall on both sides Side 1 with 2 layers of drywall and PROSPEC Decibel Drop, Side 2 with 1 layer of drywall 2 layers of drywall with PROSPEC Decibel Drop on both sides

STC

50 54 57 62 57 62

Studs

Wood Wood Steel Steel Staggered Wood Staggered Wood

Sources Side

2 layers of drywall with PROSPEC Decibel Drop 2 layers of drywall with PROSPEC Decibel Drop 2 layers of drywall with PROSPEC Decibel Drop 2 layers of drywall with PROSPEC Decibel Drop 2 layers of drywall with PROSPEC Decibel Drop 2 layers of drywall with PROSPEC Decibel Drop

Receiving Side

1 layer of drywall 2 layers of drywall with PROSPEC Decibel Drop 1 layer of drywall

The Superior Low Frequency Isolation of PROSPEC Decibel Drop on Wood Stud Wall Assemblies

Transmission loss (dB) Higher is Better 70 60 50

2 layers of drywall with PROSPEC Decibel Drop 1 layer of drywall

40 30

2 layers of drywall with PROSPEC Decibel Drop

20 10

Frequency Hz

STC BAND

80 100 125 160 200 250 315 400 500 630 800 1000 1250 1600 2000 2500 3150 4000 5000 PROSPEC Decibel Drop Soundboard Mass Loaded Vinyl

Physical Data -- PROSPEC Decibel Drop

Fire Resistance Flame Spread per ASTM E 84 Smoke Density per ASTM E 84 Class 1 per ASTM E 84 15 35

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Other Products 3800 Washington Avenue North Minneapolis, MN 55412 Toll-Free 1-800-662-0032 [email protected] www.illbruck-acoustic.com

Complete Soundproofing 3750 Riviera Dr #3 San Diego CA 92109 1-866-300-3172 completesoundproofing.com

Wall Panels Ceiling Tiles Baffles Barriers, Foams and Composites

© 2007 illbruck elements GmbH. All rights reserved. 04/07 illbruck acoustic, inc. is a company of illbruck elements GmbH.

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