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Top 3 Mistakes to Avoid When Installing Window Seal Strips

2025-02-26 09:40:32
Top 3 Mistakes to Avoid When Installing Window Seal Strips

Professional forces warn people working for window and door seal strips installation that it’s easy and looks simple. Making mistakes with this task can have serious repercussions for your home! Which is why the top 3 mistakes you can make when applying door window sealing strip to your windows are known as avoidable. Follow these tips to ensure you can do it properly and keep your home comfortable and secure!

Choosing the Right Seal Strip

One of the first mistakes is choosing the wrong type of seal strip for their windows. Seal strips do not all work the same; some are made for other types of windows. Pick the wrong one, and it may not fit your windows correctly. This causes drafts, meaning cold outdoor air can enter, or leaks, where water can seep into your home during rain. This can cost less than the standard, but less expensive seal strips can come with a cost of their own: they may not be long-lasting or effective as needed. Occasionally, the extra little bit is worth it for you to not have to replace this later with a better seal strip.

Avoiding Common Mistakes

And a common mistake is not cleaning the foam for window seal properly before applying the strips. Dust, dirt and other debris can prevent the strips from adhering to the window frame well. If the seal strip fails to stick tightly, it won’t do its job. So it is important to clean the entire window frame thoroughly. Q: Before you start to put the seal strips on, what should you do to get the dirt or dust out, especially in the corners?

A common mistake people make is not cutting the strips to the proper length. If you measure your windows inaccurately, the strips won’t fit properly and your windows will be left with gaps. Gaps can allow air and water to enter, which defeats the purpose of having the seal strips. As a rule of thumb, always measure twice and only cut once to prevent this mistake. Which means, of course, that you need to measure your windows carefully — twice, to ensure you get the right size — before you cut the strips. It’s also wise to leave a little extra length on hand, in the event you might mismeasure somewhere along the line.

Don't Skimp on Quality

The wrong way to save money having seal strips installed is to take shortcuts. You may need to replace cheap seal strips sooner than you would like to. To prevent the windows from sealing properly, cheap seal strips can break or not stick well. As time passes, they can lose their draft and rainproofing ability. Obviously, you should select high-quality seal strips that will serve you for several years. That way, you don’t have to worry about replacing them several times over.


Final thoughts, though foam window seal installation may sound too simple and easy, it is very crucial to avoid the common mistakes made during installation. Use the appropriate seal strip always, prep your windows well before sticking on, measure the windows twice while cutting and invest in good quality strips.