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fire sensor alarm

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  1. #11

    Join Date
    Sep 2020
    Posts
    195

    the wall and ceiling is very hard. To make holes for the screws... Do i need special drill bit? or is regular drill bit ok?


  2. #12

    Join Date
    Jun 2018
    Posts
    1,478

    Good advice re drilling, but you could happily just use command strips or similar and save yourself the bother!