Drilling Into Reinforced Concrete Ceiling

When i drill into the floor or ceiling often the drill bit breaks through into a void running the same length.

Drilling into reinforced concrete ceiling. Core drilling is one of the most effective non vibratory ways of drilling through reinforced and non reinforced concrete surface. Sassy it will most likely be easier to fasten a 1 4 or 5 board onto the ceiing to fasten the drape hardware on sometimes fastening to concrete doesn t happen as smoothly as needed as drill bits tend to walk or run and areas around holes sometimes crumble you ll have greater tolerances with fastening to concrete if you hang the board and then predrill and screw the hardware to the wood. To drill into concrete use a hammer drill with a carbide tipped masonry bit. How to drill a concrete ceiling.

Once you have the right drill and drill bit mark the spot on the concrete you want to drill through. I guess theres a safety factor involved so if some were damaged it still wouldn t fail. Drilling into reinforced concrete. Next turn on the drill s hammer function and start drilling applying firm but not forceful.

In a concrete ceiling this poses a challenge as it. The thickness of the concrete ceilings varies according to the weight it has to support but it is usually between 5 6 for residential constructions. We do loads of drilling into structural reinforced concrete slabs etc upto about 24mm holes usually without questioning. First determine the wall thickness by drilling a test hole and ensure that it is not a thin concrete wall 8cm thick it is best to keep the drilling depth 1 2 cm shallower than the wall s thickness to prevent spalling splintering or chipping on the inner wall.

In addition you have to observe your local codes in order to get the construction permits. Hanging light fixtures hangers for building systems or other decor items almost always requires hole drilling. Then drill a shallow pilot hole using a low speed or short bursts. It creates holes without causing aggressive demolition or too much strain.

Concrete ceilings reinforced by steel rebar are designed to be equally strong in compression and tension so drilling holes into the underside with have no real effect on the strength of the ceiling. Never been an issue.