4mm Heavy Duty Rubber Acoustic Underlay – Floor Soundproofing | Up to 54 dB Impact & Airborne Noise Insulation | 94% Recycled Rubber | 10m² Roll Entrance Accessories Grass typically establishes within 2–4

Grass typically establishes within 2–4 weeks after installation

What makes this underlay unique

Free weights and Olympic lifting areas — 10mm & 12mm recommended

Suitable for: Residential & Commercial Use

83 m2 Material Dense Vulcanised Rubber (SBR) Surface Finish Anti-slip textured top Edge Type Precision interlocking jigsaw edges Colour Black (with yellow or black edge strip options) Suitable For CrossFit

4mm Heavy Duty Rubber Acoustic Underlay – Floor Soundproofing | Up to 54 dB Impact & Airborne Noise Insulation | 94% Recycled Rubber | 10m² Roll Entrance Accessories Grass typically establishes within 2–44mm Heavy Duty Rubber Acoustic Underlay Up to 54 dB Sound Reduction 94% Recycled Rubber 10m Roll UK Part E Compliant Stop floor impact noise in its tracks. This 4mm premium acoustic rubber underlay is engineered for maximum sound insulation in residential and commercial projects. Manufactured from 94% recycled rubber, it delivers site tested impact sound insulation of up to 54 dB and airborne sound insulation of up to 5054 dB outperforming many