217 ArmaSound® Barrier E HIGH PERFORMANCE NOISE BARRIER FOR ARMASOUND INDUSTRIAL SYSTEMS • Excellent at reducing the transmission of airborne sound • Enhances the insertion loss performance of pipe insulation • Flexible, easy to install • Mean sound reduction index RW ≥ 28 dB • Free of lead, unrefined aromatic oils and bitumen • Integral component of ArmaSound Industrial Systems • Compliant to ISO 15665 Class C and Shell DEP 31.46.00.31-Gen Class D • Satisfies acoustic class 8 according to NORSOK R-004