Although it may appear easy, drilling a hole in a wall has different steps depending on the type of building material you’re using. Whether you’re working with brick, concrete, plaster, or drywall, each material requires a different method to be completed correctly.
Selecting the appropriate instruments and methods for the task can be facilitated by being aware of these variations. This guarantees that you can drill holes without causing harm to the wall or jeopardizing its structural integrity. We’ll go over the most effective ways to drill through a variety of materials in this guide, along with some useful advice to help your drilling project go smoothly.
- What device is best for making recesses in a wall surface
- Some recommendations for choosing the right drill
- How to choose the right drill
- Safe drilling of recesses in the wall
- What to do to avoid getting into the wire
- Drilling holes on a reinforced concrete surface or brick
- Holes in tiles
- Depressions in the wall of large sizes
- Video on the topic
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What device is best for making recesses in a wall surface
These days, drilling recesses makes installation relatively simple. There won’t be any problems if someone is properly trained and operates modern power tools. Use a jig that makes it possible to drill with the least amount of dust and debris so that your house stays tidy after work.
Professionals advise using a hammer drill because it’s the simplest tool for making holes in walls. Nothing better has been created to date, and it will function best with the wall’s most resilient materials. But because it’s so costly, not everyone can purchase a power tool like this for use at home. To create holes in the wall, use an impact-effect electric drill.
Some recommendations for choosing the right drill
Most of the time, precise cutting is used to create holes in walls. Nearly every family owns this instrument, and when experts offer their advice, you can increase the drill’s range of uses.
Note: Carefully read the technical descriptions before selecting a drill. When it comes to their mode of regulation, the electrical appliance’s power should be at least 600 W and its speed should not exceed 2500 rpm.
- The presence of a reverse is mandatory, which changes the rotation of the drill clockwise and counterclockwise. Choose a model with a quick-release chuck, only then you will not waste extra time looking for a key to replace the drill.
- Do not forget that the device must have an impact function. It will help to cope with any complexity of the wall surface, and drilling holes will be quite easy and simple. And all because materials such as bricks, cement or concrete quickly collapse from dynamic actions, namely impacts. If the electric drill is not equipped with such a hammer function, then the simplest drilling process will take a long time. The drill will cling to the composition located in the wall and at the same time heat up a lot, and there will be little sense from this. Here is such a feature, as hammer drilling occurs in a completely different way. This is something like chiselling with a chisel.
How to choose the right drill
Most people have probably seen a wide variety of drills in markets and stores. We will now determine the best place to use. Drilling a wall surface made of wood, plasterboard, or foam concrete with a regular drill is not difficult.
But, it is preferable to use a drill made of hard alloys if the material is concrete, brick, or stone. Its cutting plates are made of carbide, unlike the previous one. On the edge, welded components are visible.
You can be sure that you will still need the drills if your home already has a few of them, even if they are only 6 or 8 mm in size. You can drill a hole up to 20 cm deep with their assistance.
Purchasing a drill is necessary when you need to drill a big hole. They only use hammer drills to drill into dense surfaces, not regular drills, as they go nearly a meter below the surface.
- Drills have tails with a diameter of 15 mm. and more, there are grooves that serve for fastening. But if the drill works as a hammer drill, then they are clamped in the chuck quite well. The characteristic of the drill is on the tail itself.
- If you need to drill a solid surface, this process is divided into several stages, drilling will be safe and fast.
- First, choose a drill up to 20 cm long. intended for a depth of almost 15 cm.
- Then use a long drill designed for 35 cm.
- Drilling ends with a 50-centimeter drill. For this, you need a powerful drill, but note earlier, we mentioned that it is not designed for heavy loads, except for individual cases.
- If buying a hammer drill is not possible, rent one for a few hours.
Be aware that a drill works best for punching holes in walls that are at least 150 mm in diameter. They feature a safe chuck mount and are fairly lengthy.
The method you use to drill a hole in a wall depends on the material you’re working with. To prevent damage to drywall, use a standard drill bit with the appropriate size. A hammer drill and masonry bit are needed to drill clean, accurate holes in brick or concrete. A standard drill bit works well for wood walls, but watch out for possible splintering. Knowing these distinctions will help you make the best decision possible for a successful drilling job.
Safe drilling of recesses in the wall
You could definitely use your hands to drill a hole in the wall. You must, however, complete everything promptly, effectively, and safely. There are also guidelines on how to carry out the work for various wall materials. Below, we read a detailed account of this.
Attention: Before beginning any work, thoroughly inspect the wall’s surface to ensure that no electrical or other cables are located where drilling is needed. The wires will be harmed by haste and negligence, and worse, your health might be in jeopardy. One may wonder how to avoid getting into the cable. We’ll work through everything in detail now.
What to do to avoid getting into the wire
Examine the walls for any switches or outlets that may be present. From them, network cables split vertically and head directly to the distribution box.
This is ideal but uncommon if everything is as it should be. Typically, electricians run cable diagonally to save money rather than always adhering to the regulations.
- Most often, devices are used to check for the presence of a cable, their price is not high and the detection is quite fast.
- If you do not have a device, then you should know that the wire is at a depth of up to 10 mm. To check for its presence, very carefully, using some blunt tool, chisel the surface. If you did not find the presence of a cable there, then you can safely drill. Experts advise making the recess a little larger, let it be 20 mm.
- Do not press the drill too hard against the wall and inspect every few millimeters to see if there is any wiring. You can also buy a special device in specialized stores that determines where the electrical network wire is located. Be sure to inquire about the quality when buying and choose the best one, your own health depends on its proper operation. Also, with normal and folded operation of the device, you can find the place where the reinforcement runs in concrete surfaces.
- A copper electrical wire will be found quickly if it is recessed at a depth of 10 mm. But an aluminum cable will be detected only if the device has a metal detector function. When searching, constantly look at the indicator, which is equipped with an LED lamp and it also emits a signal, so be careful, your "assistant" will give a sign.
- In the metal detector mode, if an eclectic wire is located, the diode will light up and you will hear a continuous sound. Every normal device should have a sensitivity regulator. The power supply of the detector depends on the Krona battery.
Note: It is a must for any builder installing tension and suspended structures on ceiling surfaces. The truth is that all of the electrical cables are located in the ceiling, where the systems are screwed into place.
Drilling holes on a reinforced concrete surface or brick
Let’s now examine how to drill a hole in a brick and a concrete wall. A carbide drill is easy to use when drilling brick.
Drill a gap and attach a conductor to the area that will be drilled; do not use a power tool at an excessive speed or risk overheating the drill.
Drilling through walls or ceilings that have a durable cement surface is challenging. The grade 400 material is typically chosen because it allows for speedy completion of the task without any unique challenges. Perhaps there will be strong concrete in an older building, delaying the drilling process.
- For quality, manufacturers put iron reinforcement in wall panels and blocks – these are rods no more than 20 mm thick. and can add crushed stone. A drill made of carbide will not cope with such a task.
- There is always a way out, when it became clear that the drill found the reinforcement, use a regular drill. If it is not there at the right moment, you can move the place for deepening up or down diagonally.
- Granite crushed stone crumbles in the wall from the blows of the drill, beware that during this process the tool sometimes jams, to make it easier, turn the mechanism four times.
- When the obstacle has been removed, continue drilling the surface with a carbide drill. A hammer drill and a drill will cope with the problem quickly and drilling holes will be much more successful.
Holes in tiles
Use a drill with welded protrusions in the shape of teeth if you need to drill a hole in the tile. This is a tile-drilling crown.
On occasion, though, a tiny hole must be made because the crown does not fit. Next, leave a mark on the area.
- For such a process, select a core, if you do not have one, use an ordinary self-tapping screw or a thick nail with a sharp tip. Carefully remove the glaze from the tile where you will drill the hole. Set the tool speed to low, as for a brick surface.
- After the glaze is removed, then make a hole with a small drill.
- After that, expand it to the desired diameter with a thicker drill.
Depressions in the wall of large sizes
A 20 mm wide depression must be made before installing ventilation systems. If a meter that displays electricity readings is occasionally hidden in a wall, you will usually need to carve out a space on the exterior. This is accomplished in your own home using a hard alloy drill.
- Carefully mark the place for the recess on the wall with a pencil. Drill holes on the wall from the outside with a drill of at least 5 mm in diameter. at a distance of 15 mm.
- To recess up to 20 cm. you need to make almost 30 turns with a drill. Only then remove the materials with a chisel or hammer, making a niche of the required dimensions from the wall. If the drill diameter is smaller, the edges will be neat, but you will need to make a large number of holes for this.
It’s also possible that the wall surface is sufficiently hard, and the drilling stages are split up into multiple steps to achieve a through recess:
- If you can drill the surface from both sides, then first do this from one side, and only then make a full through recess. And repeat the steps taken until you are satisfied with the hole.
- When it is not possible to drill the surface of the wall, from one and the other side, then do the processes in turn in several steps. Draw another line from the previously made mark, and as soon as you have selected the unnecessary material, you can drill deeper into the niche without touching the edges on the wall. To make the work easier, choose a long drill at the very beginning.
Building Material | Drilling Tips |
Drywall | Use a standard drill with a drill bit suitable for drywall. Avoid overdrilling to prevent damage. |
Brick | Use a masonry bit with a hammer drill. Drill at a slow speed to avoid cracking. |
Concrete | Use a hammer drill with a carbide-tipped masonry bit. Ensure the drill is set to hammer mode. |
Wood | Use a regular drill with a wood bit. Drill at a steady speed to prevent splintering. |
Plaster | Use a masonry bit and drill slowly to avoid chipping the plaster. A pilot hole can help prevent cracking. |
Knowing how to drill holes in various wall materials will greatly improve the efficiency and success of your projects. For optimal results, specific techniques and tools are needed for each type of wall, be it plaster, drywall, concrete, or brick. In order to minimize damage to your walls, you can make sure that your holes are precise and clean by selecting the appropriate drill bit and technique.
Make sure your workspace is properly set up and always start by choosing the right drill bit for the material you’re working with. In addition to helping you accomplish the intended result, using the appropriate tools and techniques will help you avoid common problems like cracking or insufficient anchor support. You’ll be able to confidently take on your wall drilling tasks with a little planning and attention.
Recall that practice makes perfect. You will become more adept at handling each material as you work with it more. If you keep these pointers in mind, you should have no trouble finishing your projects quickly and successfully.