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Concrete roof, choice of screw/plug
Hello,
I am planning to hang a double ceiling rail for curtains in our concrete ceiling, but I would need help to ensure the choice of screws and plugs is correct. Do you need any special plug/screw for hanging in the ceiling, besides it being suitable for concrete? How big should the screw head be to ensure it hangs reliably?
The holes in the rail are 5x10 mm. Do you think these, for example, would work?
https://www.jemfix.se/universalplugg-med-skruv/5114/9037440/
Thank you so much in advance!
I am planning to hang a double ceiling rail for curtains in our concrete ceiling, but I would need help to ensure the choice of screws and plugs is correct. Do you need any special plug/screw for hanging in the ceiling, besides it being suitable for concrete? How big should the screw head be to ensure it hangs reliably?
The holes in the rail are 5x10 mm. Do you think these, for example, would work?
https://www.jemfix.se/universalplugg-med-skruv/5114/9037440/
Thank you so much in advance!
Hobby carpenter
· Västra Götaland
· 1 496 posts
You should primarily use a screw with a rounded head that grips the fitting you are going to fasten. A countersunk head that you have linked will not sit against the metal but will want to go into the material. The quality of the plug can be crucial here, so buy a plug of good quality. The length of the screw should be slightly longer than the plug. And it's important that you blow the hole clean of debris before inserting the plug. A straw often works well for this.
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