A Guide To Installing Plastic On Windows

how to install plastic on windows

Installing plastic on windows is a great way to insulate your home and reduce energy costs. It is an inexpensive and easy DIY project that can be done with a few simple tools and materials. While it may not be a perfect solution to all your home comfort issues, it is a good temporary fix to block drafts in the winter. In this article, we will discuss the pros and cons of installing plastic on windows and provide step-by-step instructions on how to do it correctly, so you can decide if it is the right option for you.

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Prep the window surface

To prepare the window surface for installing plastic, start by removing any debris from the window sash. Close and lock the window, then clean the window and frame thoroughly. Use a vacuum to clean the blinds, if you have any, and allow the window and frame to dry.

Next, measure the window's height and width from the outside edge of the window trim. Use a dry microfiber cloth to dust and wipe down the window and frame. If your window glass needs cleaning, do it now. Wipe down the casing where the film will adhere with isopropyl alcohol and a clean rag.

If you're using double-sided tape, you can attach it to the edge of the window trim, rather than the face, to avoid leaving residue on the trim. Alternatively, you can put painter's tape around the frame and attach the double-sided tape to the painter's tape. This will help prevent damage to the trim when you remove the tape.

If you're using glue sticks, make sure you have enough plastic wrap or sheets to cover the desired area. You can use the plastic from the boxed kits or plastic wrap, but be careful as it can be tricky to handle due to its tendency to stick to itself.

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Measure and cut the plastic to size

When preparing to install plastic on your windows, it is important to measure and cut the plastic to size carefully. Before you begin, ensure you have the right tools for the job. You will need a measuring tape, a sharp pair of scissors, and a roll of plastic of your chosen thickness.

First, measure the height and width of the window from the outside edge of the window trim. You will want to add a little extra space around the edges, which can be trimmed off later. If you have very tall windows, measure carefully and consider how to position the plastic for minimum waste. For example, you may need to leave narrow margins or extend the plastic to reach the full length.

Next, cut the plastic sheeting to the desired size. Use very sharp scissors to make precise cuts and avoid any jagged edges. If you are using a large sheet of plastic film, you may need to cut two or three window coverings from it, so plan your cuts accordingly.

If you are working with a roll of plastic, attach one end to the window frame and carefully unroll it, covering the desired area. Cut the plastic to length and attach the other end to the frame. Repeat this process until the entire window is covered, allowing for a two-inch overlap between each piece of plastic.

Finally, trim any excess plastic from around the perimeter of the window. This will ensure a neat finish and improve the overall appearance of your handiwork.

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Apply adhesive

When applying adhesive to install plastic on windows, there are several steps to follow for a smooth and effective process. Firstly, it is crucial to prepare the window surface by cleaning it thoroughly. This involves removing any debris, dust, or dirt that may be present. Use a vacuum for light dust and a scraper for more stubborn dirt. It is also important to clean the window frame, ensuring that it is free of any loose paint or rust, as this can interfere with the adhesion process. Use a plastic brush to gently scrub and smoothen the frame.

Once the window and frame are clean and dry, it's time to apply the adhesive. Start by measuring the window's dimensions precisely, including the width and length. Add about an inch to each side to ensure full coverage. Then, cut the adhesive tape to the required size. It is important to use the correct type of tape, such as the long rolls of double-sided tape specifically designed for this purpose, to avoid damaging the paint on your window frames.

Apply the tape to the window frame, positioning it just inside the ridge on the molding to keep it straight and protected. Ensure that the tape is secure and follows the contours of the frame. Cut the tape at the corners to achieve a neat finish. When applying the tape, avoid touching the adhesive side with your fingers, as this can reduce its effectiveness due to the natural oils on your skin.

After the tape is in place, carefully remove the paper backing. Check that the window is still clean and free of dust or water droplets, as these can affect the adhesion. With the adhesive tape ready, you can now proceed to install the plastic film, starting at the top corner and working your way down. Smooth out any bumps or wrinkles with your hands as you go along.

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Attach the plastic

Attaching the plastic is a crucial step in the window insulation process. Here is a detailed guide on how to do it:

Attaching the Plastic Film

Firstly, decide on the method of attachment. You can use either double-sided tape or glue sticks. The tape is included in most kits, but it can be difficult to apply and is only suitable for certain surfaces, such as metal. Glue sticks are versatile and easy to use, but you may need to work with a partner to avoid the plastic sticking to itself.

If you opt for the tape method, apply the adhesive strips around the perimeter of the window frame. Ensure there is a continuous line of adhesive, as gaps will prevent the film from sealing properly. Starting at the top, remove the backing from the adhesive strips and carefully attach the plastic sheeting, pulling it taut as you go.

If you prefer the glue method, place glue on the window frame or wall. Then, carefully attach the plastic to the desired area. The plastic may stick to itself, so it is recommended to have two people working together. Repeat this process until the entire window is covered, leaving a two-inch overlap.

Tips for Attaching the Plastic

  • When using tape, avoid using sharp objects to open the box, as you may damage the film inside.
  • If you have tall windows, measure the film first to ensure a good fit.
  • If you have leftover plastic, you can use it horizontally across the wall instead of vertically.
  • To prevent damage to the window trim, attach the adhesive strip to the edge of the trim, not the face.
  • For draughty windows, consider using multiple layers of plastic for better insulation.

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Remove wrinkles with a hairdryer

To install plastic insulation on windows, you will need window insulation film, which comes in large or individual window-sized sheets, and long rolls of double-sided tape.

Firstly, prepare your window. Clean the window and frame, and adjust the blinds if necessary. Allow the window and frame to dry.

Next, if you are using a large sheet, consider how to position and trim the film to fit each window with a minimum of waste. Unroll only as much film as you need, as the inside surfaces will attract dust. You can splice sheets with the double-sided tape or extend them with wide clear mailing tape.

Now you are ready to attach the film to the window. Attach the adhesive strip to the edge of the window trim, rather than the face, to avoid leaving residue on the wood. You can heat the adhesive with a hairdryer and carefully pull it up if you need to make adjustments.

Finally, if you are using blinds, carefully open them and adjust them to sit over the film.

To remove wrinkles from plastic, you will need a hairdryer, a flat surface, and a damp cloth. You can also use a steam iron.

Firstly, lay the plastic on a flat surface and smooth out the wrinkles with your hand or a damp cloth. If the wrinkles are particularly stubborn, you can use a steam iron to help remove them. Fill the iron with water and hold it five inches above the plastic, moving it slowly from side to side to soften the plastic and smooth out the wrinkles.

Next, plug in your hairdryer and turn it on to the hot or high setting. Hold the hairdryer five to six inches from the plastic and sweep it slowly from side to side across the surface until the plastic softens and the wrinkles disappear.

Always be careful not to expose plastic to direct heat, as it can melt or even ignite. Never place the end of your hairdryer any closer than five inches to the plastic. It is recommended to wear a mask and work in a ventilated area to avoid inhaling hazardous chemical fumes released by heated plastic.

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Frequently asked questions

You could try attaching the adhesive strip to the edge of the window trim. If any adhesive is left after removing the plastic, heat it up with a hairdryer and it should come off without leaving residue.

There are two methods to apply the plastic. The first method involves attaching one end of the plastic to the window, carefully unrolling the plastic to cover the desired area, cutting the other end of the plastic from the roll, and attaching it to the window. The second method involves cutting the plastic to size, placing glue on the window, and carefully attaching the plastic to the desired area.

Installing plastic on windows is inexpensive and easy to install. It also helps to cut down on drafts. However, it is only a temporary solution and may not be a good barrier against heat transfer. Additionally, it may affect the aesthetic appeal of your home and can make it difficult to open the window in case of emergencies.

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