NATURALSoundBlok Absorptive timber noise barriers by Gramm Barrier Systems are made from pressure-treated, FSC-certified timber with a double acoustic board design for high sound reduction and a 30-year maintenance-free lifespan. Designed for rural settings, these barriers use mineral wool infill and are tailored to site requirements.

  • Timber acoustic barrier system for reducing noise in outdoor environments

  • Double acoustic board design maintains acoustic seal despite timber movement

  • 30-year maintenance-free design life for both barrier and timber posts

  • High acoustic performance: DL? 32dB, Dla 12dB

  • Made from Tanalith E treated timber with mineral wool infill

  • Customisable heights from 0.5 to 10m and bay widths from 1 to 3m

  • All fixings are stainless steel for durability

Applications

  • Roadside noise reduction

  • Railway noise barriers

  • Rural and countryside developments

  • Residential boundary noise control

  • Commercial and industrial site perimeters

Dimensions

Height range 0.5–10m

Bay width range 1–3m

Weight 37.5kg/m²

Performance

Acoustic performance DL? 32dB, Dla 12dB

Design life 30 years (barrier and timber posts)

Design life 60+ years (steel posts)

Materials

Pressure-treated timber (Tanalith E)

Mineral wool infill (75mm thick, 100kg/m³ density)

Stainless steel fixings

Colours

Green or brown (Tanalith E treatment)

Finish

Tanalith E pressure-treated timber

Installation

Set into concrete foundations or bolted to concrete pads/strips

Galvanised steel or PPC posts with baseplates fixed using resin anchors or cast-in cradles

Steel posts can be set into augered or bucket dug concrete foundations

Accreditations

CE Marked for Highways England schemes (CPR 2013)

Compliant with Sector Scheme 2C for environmental barriers