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

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

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

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

yup, tat price is reasonable

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