What can I put on my windows to insulate them?

5 ways to insulate your apartment windows

  • Use window insulation film. Window film creates an insulating barrier between the interior of your apartment and your windows. …
  • Cover your windows with bubble wrap. …
  • Install removable magnetic window insulation. …
  • Use rope caulk to seal cracks. …
  • Add thermal curtains to your windows.


How can I insulate my windows cheaply?

The Best Low-Cost Ways to Insulate Your Windows This Winter

  1. Install Low-E Storm Windows Over the Existing Frames.
  2. Recaulk Your Windows.
  3. Air Sealing with Foam Tape.
  4. Install Plastic Film Around the Glass.
  5. Insulate with Bubble Wrap.
  6. Invest in Some Thermal Curtains.


Can you insulate existing windows?

Window inserts fit over the existing interior window. Some, like the ones from Indow, are held in place using compression tubing, creating a tight seal around the window frame without damaging the window or the frame. Indow inserts are made with acrylic, which has much higher insulation properties than glass.

How do I make an insulated window cover?


Quote from Youtube video: Before committing to window covers I decided to make a small prototype consisting of two pieces of the foil insulation glued together with a layer of carpet glued to one side.

What is the best way to cover windows in the winter?

The best way to winterize your windows is to add a sealed layer of plastic or glass over the window. And the cheapest, easiest way to do this is by installing an interior window insulation kit. Duck brand Shrink Film Window Insulation Kit and 3M Window Insulator Kit are two readily available options.

Do thermal curtains really work?

Yes! Thermal curtains work effectively during both winter and summer. Medium- to light-colored curtains with a white, thermally reflective backing can reduce heat gain during the summer by as much as 33% by reflecting solar radiation. The orientation of the window also affects energy efficiency.

Can I use bubble wrap to insulate my windows?

Bubble wrap is often used to insulate greenhouse windows in the winter, but it also seems to work fine for windows in the house. You can use it with or without regular or insulating window shades. It also works for windows of irregular shape, which can be difficult to find insulating shades for.

Does plastic insulation on windows work?

Does Insulation Film Work? Despite the controversy following any DIY homeowner solution, both window companies and repair gurus consider insulation film to be effective. It really works, and it can increase a window’s insulation for many months.

What kind of plastic do you put over windows?

When you’re dealing with old, drafty windows, you essentially have two options: replace them or seal them with insulating window film—a.k.a. plastic wrap. This kit by 3M—a leader in consumer products—insulates up to five windows, and the company claims it lowers heating costs and saves energy.

How do you make cheap thermal curtains?

Quote from the video:
Quote from Youtube video: So we need to hand Stitch the edge of the dome it into liner to the fabric to the curtain itself with small stitches using the same color thread as the fabric or closer.

Does Reflectix work when covered?

Note: if you cover Reflectix it essentially negates its insulating value as its mechanism of action is reflecting heat off its aluminum face (hence the name). Sandwiching Reflectix between two pieces of fabric means it is doing very little insulating.

How do you blackout windows yourself?

Different Ways on How to Blackout A Window

  1. Install an Awning. Many people do not know how to blackout a window. …
  2. Get a Mesh Liner. …
  3. Cover Your Window in Aluminum Foil. …
  4. Place Privacy Film on the Windows. …
  5. Treat Your Window with Film. …
  6. Blackout Shades. …
  7. Install Cordless Blackout Window Shades. …
  8. Black Out the Light with Curtain Liners.

How do you cover a window without taking it out?

Use bandanas, scarves, or a leftover fabric garland.

  1. The valence will fully cover the top portion of your window but still allow some visibility and natural light.
  2. For a more refined-looking valence, hang a curtain rod over your window, and drape pieces of fabric over the rod.


How do you blackout a window without curtains?

Using Tin Foil Or Cardboard



Tinfoil, or aluminium foil, is a common and inexpensive way to blackout your window. It’s a great option to go for as it’s airtight and there’s no way to see through it, so covering your window with tin foil is an effective way to achieve total darkness for easier sleeping during the day.

How can I make my room dark without curtains?

Types of Darkening Window Film

  1. Solar Control Film. Solar control window tint films come in a range of colors and darkness levels. …
  2. Black Out Film. …
  3. Reflective Window Film. …
  4. Turn off Extra Lights. …
  5. Add Plants and Decorative Objects. …
  6. Use a Non-Reflective Color Scheme. …
  7. Try Room Dividers.


How do I make my room pitch black during the day?

To make your room pitch black during the day, tape foil over your windows to block sunlight. Then, close your blinds or curtains over the foil to get rid of any light that’s still coming through.