Soundproofing doors Mazda 3 BM Optima level. AutoShum.

An example of the analysis and sound insulation of Datsun On Do doors in the Optima sound insulation level (middle of three) by Shumoff materials.
Optima sound insulation level.
Modern materials are used that increase efficiency by 2 times while reducing the weight of materials by 35%
In this video, you can make soundproofing doors Mazda 3 BM do it yourself.
For self-soundproofing Mazda 3 doors you will need (for 1 door):
Shumoff M2,7 Ultra -5 sheets 400 rubles
Shumoff Absorber A15 -1list 650 rubles
Total: 1050 rubles.
Calculate materials for the remaining parts can be on our website: https: //xn--80ae4ahth8a.xn--p1ai/calc
The cost of insulation of one door (material with work) for the Mazda 3 was 2,000 rubles.
All work was done in the service of noise insulation of cars AvtoShum Novosibirsk
Website: https: //xn--80ae4ahth8a.xn--p1ai/
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Novosibirsk
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Address: Fedoseyev 36/3 k1
Omsk
Telephone: [phone]
Address: Factory 34a / 1