How To Insulate Old Windows

Use a spray bottle to mist some water on the interior of the window and slap the packing material on bubbles against the glass.

How to insulate old windows.

Rubber weather sealant is a peel and stick insulation. Whereas your walls might have an r value of 20 40 depending on local zoning codes how well built your home was and how much insulation was added your windows might have an insulation value of 1 or 2. The cost of insulating windows should not be an obstacle since most of these methods are inexpensive. In just about 15 seconds per each window you can reduce the heat in your house significantly.

R values a measure of insulation measured in resistance of heat passing from one place to another are very very low for older windows. To insulate your windows apply rubber weather sealing or rope caulk where the window meets the frame to seal off the spaces along the edges. The sealant sticks to your window frame so you won t be able to open the window until you remove the insulation. Alternatively use caulk or foam along the seams of the exterior side of your window for a more durable fix.

Bubble wrap it perhaps one of the cheapest and quickest ways to insulate windows is with bubble wrap. Simply spray a mist of water over the inside of your clean window and hold the bubble side of the bubble wrap to the wet window. Shrink fit window film insulation caulking weatherstripping and spray foam are so inexpensive that you can recoup their costs in energy savings over one or two seasons. Draft stoppers can be created from old fabric and grains.

Roll out the shrink wrap. The only drawback is that it isn t the snazziest look and as it will cause distortion don t use this method for any window you need to see clearly through. Sealing the edges with tape may help keep heat in but can lift paint when removed.