CombiFelt Acoustic Underlay – 10mm

CombiFelt Acoustic is a high-performance carpet underlay made from an extra-tough combination of felt and crumb rubber, designed specifically for prestige and luxury carpet installations.

This underlay provides a noticeably plush feel underfoot, making it ideal for Axminster, Wilton and other high-quality carpets where comfort and appearance matter most. Its robust construction is built to withstand heavy domestic and commercial use, exceeding BS5808 Heavy Contract standards for durability.

CombiFelt Acoustic also delivers excellent impact sound insulation, helping reduce noise transfer between floors while enhancing the overall feel and lifespan of your carpet. It is a popular choice for hotels, offices, public buildings and busy homes where performance cannot be compromised.

Key Features

• Premium felt and rubber combination underlay
• Luxurious feel underfoot for high-end carpets
• Excellent impact sound reduction
• Extremely durable and long-lasting
• Suitable for heavy domestic and commercial use
• Ideal for prestige, Axminster and twist carpets

Technical Specifications

Composition: Jute, wool and synthetic fibres with crumb rubber backing
Nominal Weight: 720 oz/yd² (≈2440 g/m² ±10%)
Nominal Thickness: 10mm (±5%)
Roll Dimensions: 7.3m x 1.37m
Static Loading (BS4939): Thickness loss 20% retained 80%
Dynamic Loading (BS4052): Thickness loss 14.5% retained 85.5%
Tensile Strength (BS2576 & BS5808): Breaking strength 170N longitudinal, 40N transverse
Flammability (BS4790 Hot Nut): Pass – low radius of effect
Classification: Heavy domestic / heavy contract (BS5808)