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WOW, how did this thread slip past me?!

25% panel coverage is really all that is needed. In some cases more is desired to achieve certain results... each install is different though.

General rule of thumb, avoid areas that are welded or otherwise reinforced, they don't need anything.

Apply the sound deadener to the center most point of the panel.

Flat panels (flat being a relative term) should be the areas of focus as curved panels tend to resonate much less, thus not requiring much, if any, material.

Have a question about Second Skin? E-Mail me!

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This post helped me, I got a 91' civic hatchback dx, and when i get mine I would going to SS the roof, hatch, door and possibly some of my floor.

On 11/20/2012 at 8:54 PM, AMI CUSTOMS said:

Turned mine up today at a light, guy next to me his steering wheel started moving and he looked over at me like I was a magician lol.

On 5/9/2012 at 8:45 PM, skittlesRgood said:

fuck the plating. look at what the main metal used is. you could buy unicorn blood plated terminals but if its just covering up dog shit, whats the point

On 4/10/2013 at 12:26 PM, mrd6 said:

I'll admit, half way through sanding that fiberglass in the rain and cold while I was all itchy I was definitely starting to question why i was doing this haha

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WOW, how did this thread slip past me?!

25% panel coverage is really all that is needed. In some cases more is desired to achieve certain results... each install is different though.

General rule of thumb, avoid areas that are welded or otherwise reinforced, they don't need anything.

Apply the sound deadener to the center most point of the panel.

Flat panels (flat being a relative term) should be the areas of focus as curved panels tend to resonate much less, thus not requiring much, if any, material.

Ok so is there such a thing as too much deadener?

Also what do you lose or gain from doing only center most area?

was going to do roof, and floor with little on doors...

2001 Ford Expedition

2 SA 12's

Crescendo 2000

M.E.C.A. 141.4 DB

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More is not necessarily better, so yes you can use too much and this is called the point of diminishing return. Typically this point is reached when you've covered anywhere from 25%-50% of the panel (it varies between vehicles and surfaces). When you exceed this point the audible difference isn't noticeable when compared to the typically 25%-50%, therefor more material is not needed or advantageous. Most people can't tell the difference between a car door that has been covered from head to toe and one that has only been treated 30%. It's hard to believe, but it's true.

The reason behind just treating the center most point of a panel is that is where it is at it's weakest/least supported/least structurally sound, therefor it will resonate the most as compared to say the edges which are typically fixed, rolled, or even welded to another panel (or otherwise reinforced and are less likely to resonate/vibrate).

So what you gain from just treating the centermost portion of a panel is:

1. Time saved (you're only treating a small area as opposed to the entire panel).

2. Money saved (less product needed/used).

Doors tend to have the most noticeable change when you install sound deadener.

When you open and close them, you notice.

When you have music playing, you notice.

Even road, tire, and wind noise can be transferred in and through them, so they are definitely worth doing.

Roof, not as much... unless you have a big booming system, then it's more noticeable.

Have a question about Second Skin? E-Mail me!

usa_render4.png

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More is not necessarily better, so yes you can use too much and this is called the point of diminishing return. Typically this point is reached when you've covered anywhere from 25%-50% of the panel (it varies between vehicles and surfaces). When you exceed this point the audible difference isn't noticeable when compared to the typically 25%-50%, therefor more material is not needed or advantageous. Most people can't tell the difference between a car door that has been covered from head to toe and one that has only been treated 30%. It's hard to believe, but it's true.

The reason behind just treating the center most point of a panel is that is where it is at it's weakest/least supported/least structurally sound, therefor it will resonate the most as compared to say the edges which are typically fixed, rolled, or even welded to another panel (or otherwise reinforced and are less likely to resonate/vibrate).

So what you gain from just treating the centermost portion of a panel is:

1. Time saved (you're only treating a small area as opposed to the entire panel).

2. Money saved (less product needed/used).

Doors tend to have the most noticeable change when you install sound deadener.

When you open and close them, you notice.

When you have music playing, you notice.

Even road, tire, and wind noise can be transferred in and through them, so they are definitely worth doing.

Roof, not as much... unless you have a big booming system, then it's more noticeable.

WOW thank you for that

2001 Ford Expedition

2 SA 12's

Crescendo 2000

M.E.C.A. 141.4 DB

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