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Install Steps

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Step 1: VIBRATION DAMPERS - CLD

 * Made In The USA *

Damplifier & Damplifier Pro CLD Sound Deadening Mats or Spectrum Liquid Sound Deadener

The first step at reducing noise is to reduce resonance. This is accomplished by installing a constraint layer damper (CLD) such as Damplifier, Damplifier Pro or Spectrum liquid deaden-er. 

Below are pics of an installed Damplifier Pro CLD layer with Heat Wave Pro thermal and noise insulation on top.

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Step 2: MLV NOISE BARRIERS

Luxury Liner & Luxury Liner Pro - Mass Loaded Vinyl Barriers - MLV

Second Step: Install an MLV to quiet airborne noise from engine noise, exhaust drone, or outside ambient sound waves. Installed on doors, floor, trunk, cabin side firewall, and wheel wells, Luxury Liner or Luxury Liner Pro MLV noise barriers reduces airborne noise that is not dampered by a CLD.

Luxury Liner or Luxury Liner Pro installed:

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Complete 2 Layer Install of a Chevy Cavalier Trunk:

First Layer - Constraint Layer - Damplifier Pro 

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 Start of the 2nd Layer - Luxury Liner Pro Barrier Layer  CCF/MLV 

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A lighter weight alternative to a (MLV) is  most commonly installed on ceilings, hoods, and trunk lids  Heat Wave Pro or MegaZorbe.

Complete second Layer Install of a Chevrolet Suburban Roof (MegaZorbe is used on roofs for the 2nd layer):

First Layer - Constraint Layer - Damplifier Pro

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Start of the 2nd Layer - Absorbing Layer - Hydrophobic Melamine Foam (lightweight for ceilings)

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These 2 steps are the base foundation for the sound deadening and thermal control. Both noise and heat will be reduced by a very large margin.

Step 3: NOISE & VIBRATION COATINGS

Spectrum & Spectrum Sludge automotive vibration coatings 

Our proprietary liquid acoustical undercoatings, Spectrum and Spectrum Sludge are formulated for exterior floor pan applications. However, when used inside a vehicle, they provide an odorless, seamless viscoelastic polymer constraint layer damper(CLD) that is nearly 300% more effective than tar boards and asphalt sound deadener mats.

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Spectrum and Spectrum Sludge may be used inside of the vehicle instead of Damplifier/Damplifier Pro. 

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Spectrum is also frequently used on sub-woofer boxes:

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Here is a video of the box being sprayed SMD Speaker Box Build