Roll of black underlayment with a 'Value+' label on a beige surface Interior of a vehicle with StP Gold Sound Deadening 4.5m²/2.3mm applied to the floor area, showcasing black and gold vibration damping material for car soundproofing and noise reduction.
StP Gold Sound Deadening 4.5m²/2.3mm with 12 sheets per box, designed for effective car sound insulation and vibration damping to reduce road and tire noise. Black and gold patterned sound deadening sheet measuring 750 by 500 millimeters designed for automotive use, featuring the StP Gold Sound Deadening 4.5m²/2.3mm specification for car vibration damping and noise reduction. Interior floor of a vehicle stripped down and fully lined with StP Gold Sound Deadening 4.5m²/2.3mm material, showing professional car soundproofing installation for vibration damping and noise reduction.
Roll of black underlayment with a 'Value+' label on a beige surface
Interior of a vehicle with StP Gold Sound Deadening 4.5m²/2.3mm applied to the floor area, showcasing black and gold vibration damping material for car soundproofing and noise reduction.
StP Gold Sound Deadening 4.5m²/2.3mm with 12 sheets per box, designed for effective car sound insulation and vibration damping to reduce road and tire noise.
Black and gold patterned sound deadening sheet measuring 750 by 500 millimeters designed for automotive use, featuring the StP Gold Sound Deadening 4.5m²/2.3mm specification for car vibration damping and noise reduction.
Interior floor of a vehicle stripped down and fully lined with StP Gold Sound Deadening 4.5m²/2.3mm material, showing professional car soundproofing installation for vibration damping and noise reduction.

StP Gold Sound Deadening 4.5m²/2.3mm

1Low stock

$274.50 -10% $304.99
$274.50
Tax included.

StP Black Gold Sound Deadening Sheets 4.5m² – Premium Vibration Damping Material Australia

Looking for high-performance car sound deadening material in Australia to reduce road noise and eliminate rattles?

StP Black-Gold is a premium vibration damping solution designed for cars, SUVs, 4WDs, and professional builds. It significantly improves cabin comfort, reduces panel resonance, and enhances audio quality.

What Is StP Black Gold?

StP Black-Gold is a self-adhesive vibration damping sheet made with a high-density polymer base and aluminium foil top layer. It is engineered to reduce metal vibration — the main cause of road noise inside your vehicle.

How Much Coverage Do You Get?

One bulk pack (12 sheets, 4.5m² total coverage) is enough to:

  • Fully sound deaden all 4 car doors, or
  • Cover the entire floor of a sedan or SUV

This makes it one of the most efficient car sound deadening sheet packs in Australia.

Best Areas to Apply Sound Deadening

  • Doors (most effective starting point)
  • Floor (main source of road noise)
  • Roof (reduces rain and wind noise)
  • Wheel arches (tyre noise reduction)
  • Firewall
  • Boot / trunk
  • Bonnet / hood
  • Plastic trims

Why StP Black Gold Works Better

  • Multi-layer construction: aluminium foil + high-density damping layer
  • Strong adhesive – no peeling over time
  • Corrosion protection built-in
  • Extreme temperature resistance: -45°C to +100°C
  • Suitable for Australian climate conditions

By reducing panel vibration, this material helps achieve real road noise reduction, not just surface-level improvement.

Audio Improvement Benefits

  • Tighter and deeper bass
  • Cleaner mid frequencies
  • Less panel rattling
  • More solid door feel

Installation Guide

  • Clean and degrease surface properly
  • Cut sheets to size and apply firmly
  • Use a roller for maximum adhesion
  • Above +15°C: apply directly
  • Below +15°C: use heat gun for best results

For best performance, combine with a sound barrier layer and foam absorber.

Technical Specifications

  • Sheets: 12
  • Sheet Size: 750 × 500 mm
  • Thickness: 2.3 mm
  • Total Coverage: 4.5 m²
  • Weight: 3.2–4.7 kg/m²
  • Fire Safety: Non-flammable

FAQ

Is StP Black Gold good for full car soundproofing?

Yes, it is an ideal base layer for full vehicle sound deadening when combined with barrier and absorber layers.

How many packs do I need?

- Doors only: 1 pack - Full car: 2–4 packs depending on vehicle size

Is it better than cheap sound deadening sheets?

Yes. Premium materials like StP provide significantly better vibration control and long-term durability.

Buy StP Black Gold in Australia

Upgrade your car with professional-grade sound deadening sheets used in real builds across Sydney.

👉 Order now or explore door and floor kits for complete soundproofing