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Where's the Leak? How to Investigate Water Intrusion

It’s been raining cats and dogs here in our hometown of Austin, Texas. After months of no rain, a steady downpour is a welcome relief. Unless of course, you are experiencing water intrusion at your multifamily community.

It can be frustrating pinpointing the cause of a leak on your own. Remember this rule: Water intrusion follows the path of least resistance. Typically the origin of the leak will be located much further from where you are seeing water intrusion on the inside of the building.

A common cause for leaking could be damaged roof flashing or no flashing details where needed. Flashing or weatherproofing refers to thin pieces of material installed from a joint or as part of a weather-resistant barrier system. In modern buildings, you will see flashing at chimneys, vent pipes, walls, windows, and door openings.

Another cause for leaking might be the building wrap. Building wrap is the layer of impermeable material that acts as a waterproof barrier between the building sheathing (usually made of plywood) and siding materials– (vinyl siding, brick, cedar, etc). If you are experiencing leaking as a result of failing building wrap, the water is seeping through the sheathing and drywall to get inside the building.

Team Gage recommends investigating a leak section by section to discover the source of water intrusion. By methodically addressing the issue, you will discover the cause of the leak and avoid unnecessary and costly repairs.

For more information or help with your multifamily community, sound off in the comments or contact us directly: 512-368-8376

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