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How To Boost Wi-Fi Signal Through Walls?

It often happens with us that the WiFi signal gets slow because of the walls. That is why many people want to know how to boost wifi signal through walls.

House walls can be a barrier to the waves that come from your WiFi router of yours, and because of this, the WiFi signal gets slower than expected. That creates a lot of problems like unending waiting to download a file, or to do online work.

A poor WiFi signal and a slow internet speed can be really frustrating. That is why I am going to share with you how to fix weak WiFi signals so that you can speed up your internet connection and get your online jobs done quickly.

Also Read: How To Boost Wi-Fi Signal through Walls

Boost Wi-fi Through Walls

Before going into the main part of this article, you should know how the WiFi signals work. Does WiFi go through walls?

In order to know how the WiFi signals work, you need to understand the router first. You can call your WiFi router the director of the WiFi signals. WiFi signals are nothing but waves, which the router sends all over the zone in a 360˚ direction.

But there are some barriers that can prevent the internet waves to reach your wireless devices properly. One of such barriers is concrete walls.

How To Boost Wifi Signal Through Walls
Boost Wi-fi Through Walls

If there are bigger walls in between your wireless device and WiFi router, the signal coming from the router can be prevented by those walls. That can result in you getting slower internet because the Wi-Fi signal cannot go through the walls without being slowed.

Strengthen Wi-fi Signals

Next, I shall tell you how to strengthen the WiFi signal?

If there are walls in between your wireless devices and your router, like you are using WiFi in a house where there are more than two or three rooms, then it is very common for the internet signal of being slowed.

But then the question arises that how to boost Wi-Fi signal through concrete walls and brick walls?

Luckily, there are a few tricks that you can use in order to strengthen your WiFi signals.

How To Boost Wi-Fi Signal Through Walls – UK, US, and other Places

Here in this section of the article, I shall tell you how to boost the Wi-Fi through concrete walls.

There are several ways you can avail yourself if you want to boost up the signal of your Wi-Fi router and get a good internet speed on your wireless devices. I am giving you the full list. You can pick up anyone from them.

  • Router Position

Make sure that you have placed the WiFi router in the right position, i.e. at the center of the house. If you place the router at a central location, the signal can be equally distributed to the whole house.

So you have to be careful that the router should be in such a position where there is no or least number of walls between the Wi-Fi signals and the wireless devices.

  • Update Router

If you are using a router that is quite an old one, the signal coming out from it is likely to be weaker. If your router is using an old version of firmware, then also the signal strength can be weak. So it is better you update your router to the latest firmware.

  • External Antenna

You can add an external antenna to your existing router. The antennas are among the most important features which decide the internet speed.

So I would like to suggest you add an extra external antenna and change the antenna alignment of the router. This can be helpful in boosting up the WiFi signal.

  • Upgraded Router

Nowadays every day a new technology is being invented, and devices are being updated and upgraded. In today’s world, there are routers in the market which are way more powerful than the older ones.

Those routers are capable to give you super-fast speed too. So it is always a good idea to upgrade the router from an older one to the latest released device.

  • Mesh WiFi

Mesh WiFi is a great alternative if you want to boost up the WiFi signal through the concrete walls. Mesh WiFi is nothing but a combo of the main router and a few other small satellites.

  • 2.4GHz Band

Switching to the 2.4 GHz band is another good way to boost up the internet speed. Here in this section, I shall tell you how to activate the 2.4 GHz band.

  • Open the router’s configuration page.
  • Login to your account.
  • Open the configuration tab.
  • Select 2.4 GHz network > save changes.

NOTE: You must have at least a dual-band or a triband router to activate the 2.4 GHz band network. And it is not mandatory to turn off the 5 GHz band completely. You can keep both the bands turned on and switch between them at any time.

Extend WiFi Range Through Walls

Extend WiFi Range Through Walls

Here in this segment of the article, I am going to tell you how to extend WiFi range through walls.

There are two effective ways to extend your WiFi router’s range concrete or brick walls. I am giving you the methods and the procedure of how these work below, you can opt for anyone from them.

  • Powerline Adapter

Powerline adapters are your savior if you are looking for one of the cheapest solutions for extending the WiFi range through the house walls. You have to just plug the adapter into a power board, and connect the adapter to the router using an Ethernet cable.

Though Powerline Adapters are becoming obsolete after Mesh WiFi was introduced, these gadgets are still can be a good choice.

If you are searching for how to extend the WiFi range without the extender, Powerline Adapter is the thing you need.

  • WiFi Extender

WiFi extenders are the latest gadgets you can use to extend the WiFi range of your router. These WiFi extenders increase the WiFi range and make it wider for you. These gadgets are very easy to install, and reasonable for your wallet also.

Boost Up WiFi Signal Using Aluminum Foil

Well, first of all, let me tell you that the theory of boosting up the WiFi signal using aluminum foil is not a hoax! It is indeed possible, and very much scientific!

If you want to know how aluminum foil can boost up the WiFi signal, then you have to understand how the WiFi signals work.

If you look at aluminum foils, then you can understand that these foils have a shiny side. These shiny sides of the aluminum foils act as reflectors.

Now come to the WiFi signal. Do you know what the nature of the WiFi signals is? The WiFi signals are radio waves in nature. And any kind of radio wave can be reflected by using a reflector.

So the science part is done. Now comes how to use the aluminum foil to boost up the WiFi signal? And here comes the function of the antennas of the WiFi router.

The antennas of the WiFi router send the radio wave, i.e. the WiFi signal in a 360˚ direction, which means all over the house. Now if you cover a whole side of the antennas with aluminum foil.

The signal, which was about go to in that direction, will be reflected and will go in the opposite direction. Now the whole signal will be directed in a certain direction, and that is how you can use the aluminum foil in boosting up the WiFi signal.

Here at below, I am giving you the steps point by point.

  • First of all, you have to stick the aluminum foil using glue to the plain surface of any box. Cut out the surface from the box, and stick the aluminum foil on it.
  • Now you have to put the box behind the WiFi router’s antennas. Be careful while doing it, because the shiny part of the aluminum foil must cover the whole area of the antennas.

Now just check whether the internet speed has increased or not. You will see the magic!

Improve Signal Upstairs

Next, I shall tell you how to improve the WiFi signal upstairs.

There are three ways you can try.

Check For WiFi Performance

Connect the router with any device using an Ethernet cable and troubleshoot to check how the router is performing.

Restart Router

Sometimes rebooting or restarting the router automatically fix these kinds of problems.

Check Signal Strength

You can do it using your smartphone.

  • Open Settings of your smartphone.
  • Tap Wireless Network > Status.
  • Check Network Status. If you see all the bars are green, then the signal strength is full. And if there are fewer green bars, it means the signal strength is poor. If you find the signal is poor, apply the methods of boosting the signal up.

WiFi From Neighbour

Well, if you find that your neighbor has a WiFi router, which is not protected by a password, then you can use these methods to get data from your neighbor’s WiFi.

But let me tell you that it is morally not right to do so. If still, you want to do it, just take care of the things I have mentioned below.

If you have a neighbor who has unprotected WiFi, or even he or she is allowing you to use their WiFi, still there will be signal issues. The main issue will be the poor signal. But do not worry! I shall tell you how to get a better WiFi signal from your neighbor.

To overcome a poor signal issue from your neighbor’s WiFi –

  • Install an updated adapter driver on your device that you want to use for the signal.
  • Buy some good WiFi adapter.
  • See whether the 5 GHz band or the 2.4 GHz band is working better for you, and opt for the preferred one.
  • Clear the obstacles between your device and the neighbor’s WiFi.
  • Get WiFi extender.


  • How can I make my WiFi signal stronger in every room?

Put the router at the center of your house so that lesser walls can come in between your router and the devices.

  • Does aluminum foil really boost WiFi?

Yes. Aluminum foils reflect all the WiFi signals towards a pointed direction, and thus the signal strength gets boosted.


Here in this article, I have discussed everything about boosting up the WiFi signal through concrete and brick walls and boosting the signals up. Hope this article will be helpful for you.

Read More: Is Your Spectrum Internet Running Slow?



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