What can I put on windows to stop draft?
If you’re looking for the best solutions to fix drafty windows and improve efficiency, here are six simple methods to consider:
- Repair, replace or add new weatherstripping.
- Get a window draft stopper.
- Cover cracks with nail polish.
- Wrap the windows with film.
- Reglaze the window panes.
- Use interior storm windows or inserts.
How do you stop a window sill draft?
One easily DIYable way to stop cold air from entering your home is with energy-efficient window draft stoppers. Also called draft blockers, window draft stoppers come in various forms — fabric snakes, thermal drapes, weatherstripping and more. Different homes require different solutions.

How do you insulate a leaky window?
Thankfully there are lots of quick draft window fixes you can try that are all pretty budget-friendly too.
- Caulk the gap.
- Refresh glazing putty.
- Add in weatherstripping.
- Seal drafty windows with nail polish.
- Layer up on window dressings.
- Apply shrink film.
- Apply foam tape.
Do window insulation kits work?
It really works, and it can increase a window’s insulation for many months. Additionally, insulation film lets in sunlight—which can further warm a window. This side benefit is commonly overlooked, but it’s incredibly valuable. Any natural heat gain is beneficial—reducing a heating system’s work throughout the day.
How do you winterize windows from the inside?
How to Keep Cold Air from Coming Through Doors and Windows

- Inspect your windows.
- Add insulation to doors and windows.
- Add weather stripping.
- Caulk around windows and doors.
- Install storm windows for extra wind protection.
- Use window insulator kits to increase insulation.
- Hang thermal window fashions to trap in heat.
Does bubble wrap really work to insulate windows?
Bubble wrap works by increasing the isolative value of the window, making it effective in keeping the heat out in summer and preventing heat loss in winter. “The still layer of air trapped in the bubbles gives a cheap double-glazed-type effect,” Ms Edwards said.