I want to mount a projector to my ceiling but the ceiling is made of concrete.
Floor to ceiling drills.
You often require drilling holes in ceiling joists to pass any electrical or plumbing runs through the ceiling or floor.
Covered with closed cell foam which is in turn covered by carpet.
I noticed that quite a few people have a common concern that drilling holes in joists will make them weaker.
5 points 3 years ago.
Drill a hole through a paper cup and have a vacuum cleaner ready to keep dust a bit more manageable.
Floor drills and skills floor involves a 40 foot by 40 foot spring floor.
I would drill the hole where you want it in the ceiling being careful to just drill through the plaster go upstairs and lift the floor boards direct the cable where you want it and drill.
I m here to let you know that you can safely drill holes in joists by following a few simple guidelines.