Professional Crumb Rubber 4.5mm Foil Acoustic Underlay for Wood Flooring

A heavier-duty rubber crumb underlay offering enhanced comfort and sound reduction for engineered wood flooring.

The 4.5 mm option delivers improved acoustic performance and slightly increased underfoot cushioning while maintaining excellent dimensional stability and recovery.

Ideal for apartments, upper floors, and areas where noise reduction is a priority, this underlay supports the long-term performance of engineered wood floors without compromising firmness or structural integrity.

Key Features

• Thickness: 4.5 mm

• Roll size: 10 m × 1 m (10 m² per roll)

• Weight: approx. 1.47 kg/m²

• Impact sound reduction: up to 26 dB

• Thermal resistance: 0.9 Tog

• Excellent compression recovery

• Durable, crack-resistant construction

• Biocide treated for improved hygiene

• Low ignition impact performance

• Moisture Vapour Resistance 

Suitable for:
Floating engineered wood flooring in residential and light-commercial environments.