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Exposure to accoustic ceiling dust

The reason why professional testers wear bunny suits and HEPA masks on youtube videos is because it's an occupational hazard, meaning these measures protect against exposure if it's your occupation. ...
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Should I remove paper from the back of glass wool panel?

The paper (usually smeared with tar) is a vapor barrier. It is necessary to keep this intact and apply it in the correct direction for exterior walls depending on which climate you live in. If this is ...
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