How To Find A Leak On A Flat Roof

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Do you have flat roofing on your building that has a leak? If so, follow these tips to figure out where that leak is located.

Take Measurements

The nice thing about a flat roof is that the ceiling where the leak is coming from will mirror the surface of the roof above it. If you have visible water entering your building, you can take some basic measurements to get a general idea of where it is coming from. Measure the distance from the leak to the two nearest walls, and then go on the roof and use the measurements to locate the area where the leak is coming from. You'll end up in the general area of where the leak is located. 

Look for any signs that water is getting into your roof. You may have a clear hole where the roofing material has deteriorated, or rolled roofing material that is no longer forming a seal with the adjoining roofing material. Mark areas that look suspicious with a grease pen as you find them.

Look For Damaged Flashing Material

If the location of the leak is not right above where the water is coming in, the leak could be caused by a place higher up on the roof. Even though the roof is flat, there is a slight incline so that water can flow to drains and downspouts. Start looking up the slope for problems that could indicate where water is coming in.

It's common for water to come in where you have flashing material that is damaged. Take a look at and flashing that is around pipes and other objects attached to the roof. For example, your HVAC equipment is likely bolted to the roof and has flashing around the anchor points. If the flashing is not fully attached, this could be a place where water is leaking into your building. 

Find Water Lines

Another sign to watch out for is water lines on the roof. This is where water has pooled on the surface of the flat roof and eventually evaporated or flowed away. As the water goes away, there will be lines left that indicate where the water levels were up to. The center of the water lines is a place where water is potentially getting into your building. 

If you can't seem to locate the source of the water leak, bring in a professional like those at Ultimate Choice Roofing to find it for you and make the necessary repairs. 

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10 October 2019

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