Does the security door have to be filled with cement?

Updated on Security door 2024-06-21
1 answers
  1. Anonymous users2024-01-24

    Pouring cement is not to increase the anti-theft, but to increase the connection strength between the new security door and the original wall, and to avoid the empty sound of the new security door when it is opened and closed. That is, silence! Break a leg!

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