# Exterior Systems Construction: Los Angeles Roofing, Waterproofing \& Water Intrusion Experts

> Precise water intrusion testing in Los Angeles\. We find the leak source in roofs, walls, and balconies before repairs begin\. Tests from $299\.

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## Pages
- [Roof Leak Detection](https://exteriorsystemsconstruction.com/water-intrusion-testing/roof-leak-detection/)
- [General Contractor](https://exteriorsystemsconstruction.com/general-contractor/)
- [Home](https://exteriorsystemsconstruction.com/)
- [Drainage Solutions](https://exteriorsystemsconstruction.com/water-intrusion-testing/drainage-solutions/)
- [Leak Detection](https://exteriorsystemsconstruction.com/water-intrusion-testing/leak-detection/)

## Posts
- [When testing is worth it](https://exteriorsystemsconstruction.com/when-testing-is-worth-it/)
- [Fast overview — the three most reliable tests](https://exteriorsystemsconstruction.com/fast-overview-the-three-most-reliable-tests/)
- [What inspectors check \(quick list\)](https://exteriorsystemsconstruction.com/what-inspectors-check-quick-list/)
- [Who’s commonly responsible](https://exteriorsystemsconstruction.com/whos-commonly-responsible/)
- [How to detect water intrusion — signs, tools, and what to do next](https://exteriorsystemsconstruction.com/how-to-detect-water-intrusion-signs-tools-and-what-to-do-next/)

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