Window Water Leak Detection and Testing | Los Angeles

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Window Rain Leak Detection and Testing | Los Angeles

In the world of water intrusion testing and Window Rain Leak Detection, it’s really both an art and a science. Understanding how water moves through a building is key to being a successful window rain leak water testing agency. So in this business, there’s a huge disconnect as to what water testing is. As a matter of fact, most people think we just use a water hose, and as professionals that is not the case.  Unfortunately, most people simply do not understand our skill and precision.  Water testing should be performed in accordance with a standard. Why? There are a number of reasons but here are the Top 2:

  1. If you’re testing for any litigation matter  you will need a standardized test and professionals who can perform the test.
  2. When performing diagnostic troubleshooting there must be a systematic approach to sourcing water intrusion that is science-based.

Window Water Intrusion Testing in a Los Angeles Area Home

We received a call from this homeowner who claimed they had water pooling under the windows after it rains. Fortunately, our client had pictures and video which documented these occurrences and allowed our team of Water Intrusion Specialists the opportunity to learn more about the project.

Upon visiting the home and analyzing the issues we determined the window leak test needed in this situation was the ASTM E1105.  We performed isolation testing here for both the right side upper and lower windows. In the end, it was the installation that was creating the leaks.



Rain Leaks in Los Angeles and the Greater LA are Actually Quite Common

Believe it or not, rain leaks are quite common here in Los Angeles. We think it doesn’t rain enough, but really it doesn’t take much. On the other hand, there are those window leaks that take some time to procure. Depending on the item tested, there must be a process by which window water testing should be performed.

Is the water intrusion coming from the window or is the water leak coming from the installation?

These are the questions we as Water Intrusion Specialists must address. As a result, the company you choose for your window rain leak detection service must know what they are doing; experience, training, and the proper equipment is key.

Water Testing with a Water Hose?

Seriously? Nobody in this business who is professionally trained and qualified will be caught using just a water hose. For one thing, there is a chance you can literally overtest a system. Thus, creating a leak that was never there. Is that really a thing? You bet. Standards like the ASTM E1105, AAMA 501AAMA 502, or ASTM 511-08 dictate the test procedure and ensure that overtesting a window system doesn’t happen.


If you see a water intrusion so-called “expert” attempt to perform testing with just a water hose… just say no thanks, and proceed to call the water intrusion specialists.

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