Drilling Into Reinforced Concrete Ceiling

How to drill a concrete ceiling.

Drilling into reinforced concrete ceiling.

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. 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. Next turn on the drill s hammer function and start drilling applying firm but not forceful. The core drill is a highly efficient and powerful tool for boring holes through reinforced concrete block brick masonry and stone.

We show you what you have to look out for drilling in reinforced concrete and which tools are well suited. Then drill a shallow pilot hole using a low speed or short bursts. In addition you have to observe your local codes in order to get the construction permits. Once you have the right drill and drill bit mark the spot on the concrete you want to drill through.

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. Pouring a concrete ceiling is difficult without the help of a qualified engineer. Hanging light fixtures hangers for building systems or other decor items almost always requires hole drilling. Drilling into reinforced concrete.

In a concrete ceiling this poses a challenge as it. To drill into concrete use a hammer drill with a carbide tipped masonry bit. I guess theres a safety factor involved so if some were damaged it still wouldn t fail. It creates holes without causing aggressive demolition or too much strain.

When i drill into the floor or ceiling often the drill bit breaks through into a void running the same length. We do loads of drilling into structural reinforced concrete slabs etc upto about 24mm holes usually without questioning.