How to Blackout Windows: 10 Different Ways

Did you know that excess sunlight might not be good for your health?  Not only that, sometimes morning sun can cause distraction to your sweet sound sleep after an exhaustive night shift.

You might be trying to figure out how you are going to block out light coming in through your windows to improve  your day’s rest. No matter how clueless you might be, it’s not a herculean task to block out that sunlight.

There are many ways you can use to darken your bedroom or house. In this article we are going to look at those tricks that will offer you solutions. No matter your budget, we are going to give you tricks that can help you darken the windows temporarily or permanently.

1. Aluminum Foil- Quick and Cheap Blackout Window Solution

Although this idea might sound awkward or ugly to some people it is a great idea especially when you’re trying to blackout your windows on a tight budget.

Aluminum foil is used widely in the food industry to provide heat proof and safe and healthy food coverage. It is also used by most people who don’t have enough money to buy blackout curtains and it does a great job.

In some regions, summer comes in with huge electrical expenses because the climate control and air conditioners are in use throughout. Using aluminum foil helps you to cut down power costs a little bit.

Can Aluminum Foil Keep Out Heat From Your Home?

Aluminum foil does block out light and heat on your windows but it can heat up after sometime. You can just rely on this method for reducing the amount of light that comes in and control the heat using the air conditioner.

Luckily, aluminum foil is big enough and can fit the window pen from edge to edge. You only need to buy a few boxes and you’re good to go.

How To Blackout Windows Using Aluminum Foil

Now that you have purchased your aluminum foil, you need to put it up and block that light depriving you of your sleep during the day.

Here’s how it’s done:

  • Measure your window (measure the length and width and multiply the L and W to get the surface area.
  • Cut the foil according to measurements so that they fit the window panes
  • Use a painters tape at the edges of the foil to secure it on the window
  • You will need to replace the painter’s tape and foil occasionally because they do wear off

2. Cardboard

If you can’t find the blackout paper at the stores, you can simply settle for cardboards if you don’t mind compromising your interior decor.

Cardboards provide a viable solution but they are not appealing. You can maintain favorable temperatures of your room and minimize damage on your furniture caused by UV light using cardboard.

It’s pretty much easy to blackout your window or windows using this method. All you need to do is measure your window, and the cardboard. Using the painter’s tape, you can easily place the cardboards in place.

3. Blackout Curtains

Curtains are generally cute and they play a huge role in the appearance of your home. Using curtains to blackout windows is one of the best things you can do because your space will remain stylish.

However, not all curtains can darken a room. You need to get blackout curtains with thick fabric that will darken the room and enable you to have a sound sleep. Choosing a curtain with a blackout material is the best thing to do.

Blackout curtains do a tremendous job in blocking sun coming through your glass windows completely creating a dark ambiance ideal for quality sleep during the day.

Choose a color that is good in reflecting light and heat. Combine the blackout curtains with liners made of blackout fabric too for maximum satisfaction. The fabric that makes up these blackout liners and curtains can block excess natural light and even artificial light coming through your window.

When purchasing the blackout curtains and liners, ensure that you go for floor length for maximum efficiency.

4. Blackout Window Curtains Liner

You can add thick blackout curtain liners to your existing curtains to blackout windows. You don’t have to pick a black curtain liner to darken your room. You can choose a liner of any color provided it is made of blackout fabric.

You probably want the theme of your room to match with the curtains and liners so there is no need for you to go for a darker color to achieve that. You can simply pick a color that matches your interior decor.

5. Blackout EZ Window Cover

If you want to block light completely then these window covers can help you achieve total darkness ambience in your room. Blackout EZ window cover can be used with other existing window treatments.

They are a great solution to those who want to sleep in complete darkness because they offer the pitch black effect instantly. The blackout EZ window covers come with a hook and loop velcro fastening system that seals the cover tight around the edges of your window frame for total darkness.

The velcro system makes the blackout EZ cover a great option better than using a curtain. These covers are ideal for your rustic home office and you want to sleep in a dark room.

You can also use the blackout EZ window covers in the nursery windows to improve the quality of your baby’s sleep during the day.

How To Install  a Blackout EZ Window Cover

The blackout EZ window covers come in two sizes:

  • Small size (36″W by 48″L)
  • Large size (45″W by 66″L)

Select the size of the blackout EZ window cover that fits your window.

Installation Steps:

  • Start by measuring your windows width and length. If you have a split splash window add a 1/2″ to the length.
  • Pick a blackout EZ cover size that will cover all the dimensions of your window frames perfectly.  Good thing is the Blackout EZ covers have an easy to cut material.
  • Place the cover on your window and follow the numbers that are on the cover. Mark the number that fits your length and width and trim the Blackout EZ window cover that fits your window.
  • Apply the velcro hook and loop tape on the window frame and to the cover.
  • Place the cover on the window frame and press it down to seal around the edges.

That’s all that you have to do to install the Blackout EZ window cover.

6. Window Film

If you don’t want to use cardboards, blackout window curtains or blackout EZ window covers, you can try out the blackout window film to block light entering your bedroom.

The window film does a great job in preventing the damage that the UV light can cause to your furniture and electronics. Most blackout window films block out about 99% of ultraviolet light that can cause fading to your household items.

The window films are not only used on the windows but they can also be installed on the doors and other glasses.

Blackout window films come in different types and if you want your room to be pitch black then you will need to purchase the opaque film.

Opaque films make the windows pitch black unlike the non-opaque films. If you want to block out light completely in your bedroom or you want to transform a room into a studio in your home, this blackout window film is what you need.

7.  Blackout Windows With Cellular Shades

Cellular shades is a type of window treatment/ window shade made of a continuous fabric that folds up or rolls up. Cellular shades are an incredible window blackout solution with a quality material that efficiently blocks out the morning sun entering through your glass window and door.

This type of window treatment blocks out light entering your bedroom and protects your property from the damage caused by UV light.

Cellular shades are one of the most versatile window treatments. They provide light control, privacy and insulation to your bedroom and all the windows in your home.

Cellular shades offer cordless options and corded options. The cordless cellular shades are a good option   for the baby’s room and other spaces used by kids.

Although shades are good and they can give you total blackout ambiance their appearance might not be appealing. You might need to cover them up with your stylish curtains to prevent that weird appearance.

If you don’t mind the awkward appearance, you can use cellular shades to block out sunlight coming through your glass window and door and get that ambiance you need.

How To Install Cellular Shades

Cellular shades are not hard to install and it can take you about two hours to get the work done. Below are the steps you can follow to install cellular shades yourself:

Tools Needed
  • Step ladder
  • Steel tape measure
  • Hammer
  • Screw driver
  • Level tool
Inside Mount Installation
  • Place your brackets 2 and 1/2 inches from each side of your window opening on the top part of the window.
  • Mark the place where the screws will go in with a pencil
  • Use the level tool or steel measuring tape to check if the brackets are aligned
  • Make small holes using the drill or screwdriver bit
  • Insert the screws to hold the brackets in place
  • If there are any additional brackets insert them at the center. Some shades come with additional brackets because of their width.
  • Hook the front side of the headrail under the front tip of the bracket pushing it until it makes a snap.


8. Mesh Liner

Mesh liners do not give your room that total blackout effect but they do minimize the amount of light and offer efficient air flow.

Mesh liners are used between blackout covers and blackout curtains. When purchasing a mesh liner for your windows, ensure that you purchase the right height. The width of the liner depends on the airflow you need in your room.

If you want to use mesh liners temporarily, you can hold them in place using a painter’s tape. If you want to use them for a longer period of time then you have to fix them on the curtain rod. For a permanent use of the mesh liner, use hooks or buy an additional curtain rod and use the mesh liner as a curtain.

9. Install an Awning

If you aren’t comfortable a fan of the above window treatments then installing an awning might sound good to you. An awning is a type of a shade made of canvas and is placed outside the window or door to block excess light from coming inside a room.

Awnings do not provide a complete darkness ambiance; it only blocks excessive light. Installing an awning might not be a great idea if you want to sleep in a room that is totally dark in the day.

10. Use Plywood And Canvas 

Just like cardboards, using plywood and canvas is also the cheapest and easiest way to blackout windows. Installing the plywood doesn’t require any skills or professional help. All you have to do is to measure your windows and the plywood or canvas and place it on your windows securing it with a tape.

Bottom Line

There are so many ways you can use to blackout your windows and block lights coming through your windows. You can pick any of the above options depending on what works for you. You might also need to consider changing the arrangement of your bedroom to get the best out of the window blackout solutions you choose. Placing your bed away from the source of lights can equally improve your sleep.

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