1
vote
2answers
302 views

Is it possible to use molly bolts in concrete?

Is it possible to use molly bolts in concrete? They are generally described as for use in drywall. But I have a project that needs a hook or screw to be taken out from time to time, which is possible ...
2
votes
1answer
394 views

How can I mount a projector to a concrete ceiling?

I am in a dorm room and I am attempting to mount my projector and screen in my ceiling... As far as I can tell from just tapping the ceiling it is made of cinderblocks if that sounds right or ...
1
vote
2answers
1k views

How to attach concrete to wood?

I'm planning a wooden table with concrete legs. I will use a U-shape or O-Shape for the legs. Should i use screws to attach the legs to the slab or is there a better way? I thought of placing a metal ...
5
votes
3answers
12k views

How to mount hooks into concrete ceiling that must be able to support several times bodyweight?

I am on the top floor of a loft apartment that used to be a factory. I want to install several hooks or some other fixture into my concrete ceiling from which I can hang gymnastic rings, a punching ...