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Bouwfysisch Ontwerpen 3 Geluid

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VOORBEELDEN<br />

CONSTRUCTIE RA STEENACHTIGE WAND > 40 dB<br />

OPEN RAAM 10 to 15 dB<br />

RAAM MET DUBBEL GLAS 25 to 40 dB<br />

DUBBELE GEVEL 30 to 50 dB<br />

VENTILATIE OPENING 5 to 30 dB

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