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  Contact: Chuck Peterson - (620) 727-1347 [Email]  or Del Metcalf - (620) 728-1295 [Email]
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PPM NEWS

5.7.17 -

Flat Roofs Leaking Problems

The rainy season is here

As summer begins, so does roof maintenance season.  Infrared roof moisture surveys provide vital information for the long-term maintenance of flat roofs.  With a national average life of only seven years, flat roofs are a building's most expensive component.

Once a roof starts leaking, the roof assembly absorbs water, especially in the insulation layer.  For all practical purposes, wet insulation never dries.  In fact, the trapped moisture can quickly degrade the roof, causing rust on metal decks and fasteners, insulating value reduction and membrane decay.

When the roof develops a leak -- and even the best can -- infrared surveys locate trapped water.  Because the leak is typically found within the boundary of the wet insulation, the wet area is marked for removal and repair.  This keeps the roof in dry condition, minimizing roof degradation and extending roof life.

How do you find wet insulation below the roof surface?  When the surface is dry, including any gravel or ballast, a sunny day warms the entire roof.  Early in the evening, if the sky is clear, the roof begins to cool down by radiation.  Because of its higher thermal capacity, the wet insulation stays warmer longer than the dry insulation and is visible in the infrared tool's imager.

Peterson Predictive Maintenance has the knowledge and the equipment to provide this service an at a very reasonable rate

 

For more info, contact PPM
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