Before i upload the picture and share my knowledge, i wanna specially thanks to Mr.Dmitriy ( StP's technical consultant) who come from Ukraine,and teach us wat to do can Efficiently to reduce the car noise and improve comfortable in our car. Thanks to Mr.Dmitriy

MR.DMITRIY picture



Mr.Dmitriy is come fro Ukraine, he is a Acoustics Engineering, specially in Physical Acoustics, so he is a professor in Acoustics Engineering. Now work as a Technical Consultant in Stp. Before he work as a Technical Consultant in Stp, he is a experts in Car Audio System, he won alot of champions in EMMA, ISACA international competition.




Mr.Dmitry said : If you wan to get maximum effect use complex of suitable materials for each surface and follow " Applications instructions. Acoustic Materials" . Different materials are different effective.

3 catagories of soundproof :

a) Vibrations Damping Materials

- Reduce the low frequency noise (50hz - 1000hz)
- absorb / reduce the vibrations


b) Sound Damping Materials

- Reduce / Absorb / Reflect the mid high frequency
- Reduce wind noise, road noise and heat insulating properties.


c) Contact Damping

- Absord mid to high frequency
- Required to eliminate squeak of the contacting element of interior and also for joint sealing


Only use a suitable materials of soundproof, then just can efficiently to reduce the noise. If not。。。。。just wasting ur money



Mr.Dmitriy was explained the door strucure and vibrations caused by mechanical movements.




Explained that where is the noise come from





Use a dry cloths clean the surface





Measure the size of the door




Using the Stp BiMast Bomb to reduce the door vibrations and noise




Pls Kindly reply my topic, so that i can keep on share more pic , thank you

This post has been edited by mr.wong: Mar 13 2011, 07:05 PM

possible to have a before and after vid(audio file) about the noise?thx

we need to reduce the door vibrations first, it can help u to reduce ur noise also.























Please kindly reply my topics, then i can share more picture, thank you

This post has been edited by mr.wong: Mar 13 2011, 07:19 PM

how much total cost?

so the deadening at only a small part at the door?not the whole door?

nice info

how much the cost for full soundproof for new vios? please share

please share more, your vast knowledge are very much appreciated

about the door panel, if you have enough budget, better full vibration damping, then add another Contact Damping

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Added on March 13, 2011, 8:35 pmStP BiMast Bomb series @ Optimal effect is reached after 40-50%of the square is treated

StP Vibroplast @ Optimal effect is reached after 70-80% of the square is treated


This post has been edited by mr.wong: Mar 13 2011, 08:35 PM

bro my behind storage bumper are using this stp product it is damn exp ar...only left n right up down rm600 zzz~

after Vibrations Damping on the roof, add on another Sound Damping














after Vibration Damping, complex with the Sound Damping






ugly boy and Mr.Dmitriy

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Added on March 13, 2011, 8:49 pmgood product with good price.
ur trunk stick the soundproof left, right , up and down, i think need 5-7 pcs of vibrations damping, they quote u rm600, i think this price is reasonable.


This post has been edited by mr.wong: Mar 13 2011, 08:49 PM

including spoiler...la n infront 2 door 2 layer they price is rm300 ??izzit good price

yup, tat price is reasonable

皇朝's tsunami coming, who dun wanna be poisoned stay away from his thread.

Fuhhh...How much did you finish to do this Alza???

If someone would to duplicate the same thing...how much they have to prepare???

aiseh, accidently take the pic of my super soundproofing pant and sexy shoe......

woh you included as well? aiseh why no showface

I think he went there to goyang kaki, take leave and goyang kaki...

When ppl soundproof the car, he sits there..point here point there.

that sounds very likely to be the case haha.

good thing no cheap, cheap thing no good!

belum try belum dau , sudah try hari hari mau~

u 2 dun always shoot me can a?

lol where got always

erm, u know lor :>

anymore details on each of the materials used?
Very interested as I am planing to do a full car sound deadening.

different area use different materials to control the low frequency, mid frequency and high frequency

May I know which Shop in KL/Selangor can do this kind of things on Alza ?

how much to soundproof saga fl? thanks

Howieee PM me too please!!

Hi There....can someone please assist me. Please PM me the location of the shop and price to do on Alza as in the picture.

Thanks in advances..

hi there. Can you PM me the location of the shop and I would need consultation from the pros too~ PM me thanks!!!!

Fuyoh! even the top also applied....
Wah! Bomb blast outside also cannot hear lah....

thts wat im thinking, roof also stp? but im no professor...lol, he must got his point.

Hi there,

How much for side and down part only for mazda 3 sedan?

Hmm..and then you realized that there's creeks & squeaking from the parts you dismantled to put in all these sound proofing.

Hi, TS. Can i noe will it reduce heat as well? PM me the price for wira for roof, and side doors only. anyway, where is ur shop?

Izzit he putting silicon on those spacing ?

how much the cost to do this?

how much to do saga flx 4 side doors and hood? and where is the location of the shop?

Why never reveal the shop who provide this service? possible to reveal?