Putting Foil On Windows To Keep Heat Out

Aluminum foil on windows is most effective at keeping out heat and light when you place it shiny side out and cover its backside with a layer of something else like insulation or cardboard.

Putting foil on windows to keep heat out.

However while foil may keep out unwanted heat it is unsightly and essentially defeats the purpose of having a window to look outside. Health concerns about tin foil some people are worried that using tin foil or aluminum foil on their windows could cause serious hazards. Up to 40 percent of undesired heat in a home comes in through the windows. You will need to remove the foil before opening the windows.

Add extra three inches to the total length for adjusting and fitting the aluminum sheet to the frame. When putting aluminum foil on your windows you will need to tape the foil in place with the shiny side facing out. Here s how to properly to do it. By covering one side of window sized cardboard panels in reflective aluminum foil and placing them behind the window treatments next to the windows shiny side facing outdoors you can stop at least some heat from entering the home explains ready gov.

If needed use duct tape to join cardboard sheets or pieces together for large windows. You can use insulation like bubble wrap in between the window and aluminum to create a thicker barrier. Putting aluminum foil on windows can keep heat out.