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Everything about Noise control secondary glazing

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You can get exceptional outcomes with merely a 4mm glass, by having an air hole of 150mm you can realize a 48dB sound reduction. Secondary glazing refers to the installation of an additional layer of glass on the interior of the current window. It's really a cost-powerful and non-intrusive https://friedrichy887nhb7.eqnextwiki.com/user

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