How much material do I need?

The table below shows average material coverage per vehicle area.

Use it to calculate how many square metres (m²) to add to your cart based on
the areas you want to soundproof.

Car Areaㅤㅤㅤㅤㅤㅤㅤㅤㅤ Layerㅤㅤㅤㅤㅤ Material Type Material Example Approximate Coverage
4 Doors – Inner door skin, Outer Door Skin, Plastic Door card Layer 1 Vibration Damping StP Gold/StP Aero 4 m²
4 Doors – Inner Door Skin Layer 2 Sound blocking StP Sonora 2 m²
Door plastic cards Layer 2 Sound absorption StP Biplast Wave, StP Biplast 10mm 2 m²
Boot floor + rear wheel arches Layer 1 Vibration damping StP Gold/StP Aero 3 m²
Interior floor, Boot floor, wheel arches Layer 2 Sound blocking StP Sonora, StP NoiseBlock 5 m²
Boot lid Layer 1 Vibration damping StP Gold/StP Aero 1 m²
Boot lid Layer 2 Sound blocking StP Biplast Wave, StP Biplast 10mm 1 m²
Roof Layer 1 Vibration damping StP Gold/StP Aero 1.5 m²
Roof Layer 2 Sound absorption StP Accent 6, StP Accent 10mm 1.5 m²

✅ Best option (recommended)

For the easiest and most accurate result, we recommend choosing one of our pre-configured soundproofing Kits.ㅤㅤㅤㅤㅤ

Our Kits:

Include the correct materials and quantities

Are matched by vehicle type and soundproofing level

Remove all guesswork

Ensure balanced, multi-layer coverage

👉 Visit the “Kits” section to get the best result with confidence.

Important notes

Coverage values are average estimates for standard passenger vehicles

Larger vehicles (SUVs, wagons, 4WDs) may require more material

For best performance, always use multi-layer installation

If unsure, choosing a Kit is the safest and most cost-effective option

If you want, I can:

Shorten this for product page mobile view

Turn it into a step-by-step calculator

Write a tooltip microcopy for each layer

Create a comparison block: Kits vs Custom

Just tell me 👍

Contact us

Working Hours

Monday - Sunday: 10:00 AM - 6:00 PM

Address

9/380 Pittwater Rd North Manly

Phone

0415 623 634