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How to install window film
Overview
Installing window film is a great way to improve privacy in your home without cutting out any natural light. It doesn't cost much to do, but it can be a little fiddly unless you know what you're doing. This video shows you all the tricks you need to know to get the best results with the least amount of fuss.
Tools and materials
Steps
Clean the window
Clean the window thoroughly with an ammonia-based window cleaner and wipe it dry using a squeegee. Make sure that all of the window cleaner is wiped off, as it will dissolve the adhesive on the window film.
Wet the glass with a light spray of water and baby shampoo
Fill a spray bottle with water and add a couple of drops of baby shampoo. Spray the mixture onto the window. This mixture helps the film stick to the window but still lets you slide the film around so you can fit it properly into the corners before the mixture dries.
Measure and trim the film to size
Measure the window to see how large an area you need to cover, allowing at least two centimetres overlap for all four sides. Roll the window film out onto a flat horizontal surface and trim to size. Before you put the film on the window, start peeling the backing off the sticky side of the film. Use masking tape on both sides of one corner to get the peeling started.
Put the window film onto the window
Once you've peeled off the top five to ten centimetres of backing, move the film up to the surface of the window. Start by putting the top two corners in place. Once the film is sitting in a good position you can slowly start to take the rest of the backing off.
Remove the backing from window film as you go
Slowly peel the backing off in stages. Use a squeegee to flatten the film out onto the window as you go. Start the squeegee in the centre of the window and push out to the edges. As you work down the window, use the spray bottle to keep the surface as moist as possible. It will give you a much smoother finish.
Remove the air bubbles from the window film
Once the squeegee has got the larger bubbles out, use the small plastic scraper to remove any smaller bubbles. You can work out any small pockets of water at the same time. Whatever small amounts of moisture are left will work with the adhesive on the film to create a bond to the window.
Give the window film a final trim
When all the bubbles are out, take a sharp blade and give the film a final trim at the edges of the window. Once you've trimmed the edges, give the film one final scrape with the small plastic scraper. Tuck the corners in as hard as you can, squeegeeing towards the outside, working out the last remnants of water.
More D.I.Y. Advice
Health & Safety
Asbestos, lead-based paints and copper chromium arsenic (CCA) treated timber are health hazards you need to look out for when renovating older homes. These substances can easily be disturbed when renovating and exposure to them can cause a range of life-threatening diseases and conditions including cancer. For information on the dangers of asbestos, lead-based paint and CCA treated timber and tips for dealing with these materials contact your local council's Environmental Health Officer or visit our Health & Safety page.
When following our advice in our D.I.Y. videos, make sure you use all equipment, including PPE, safely by following the manufacturer’s instructions. Check that the equipment is suitable for the task and that PPE fits properly. If you are unsure, hire an expert to do the job or talk to a Bunnings Team Member.