Articles tagged “Brazil”
2 articles covering Brazil in acoustic engineering and building design.
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STANDARDS12 min readFeatured
NBR 15575: Brazilian Building Acoustic Performance Standard
Understanding Brazil's NBR 15575 acoustic requirements — minimum, intermediate and superior performance levels, measurement methods, and residential building compliance.
March 20, 2026
NBR 15575Brazil
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STANDARDS10 min read
NBR 15575 Brazil: Residential Acoustic Performance Requirements Explained
NBR 15575:2021 is the Brazilian performance standard for residential buildings, covering airborne sound insulation, impact noise, and background noise limits for facades and internal partitions across three performance levels.
March 18, 2026
NBR 15575Brazil