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What is the Sound Insulation or acoustic insulation Index of Expanded Clay Aggregate (ECA ®) Construction Masonry Blocks?

What is the Sound Insulation or acoustic insulation Index of Expanded Clay Aggregate (ECA ®) Construction Masonry Blocks?

Sound Insulation or acoustic insulation Index of Expanded Clay Aggregate (ECA ®) Construction Masonry Block is Up to 46 dB for 100 mm thick wall and up to 52 dB for 230 mm wall

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