Steven L. Smith, Bellingham, WA Home Inspector (King of the House)

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Flat Roof Ponding

In the Pacific Northwet, an inspector sees more than his or her share of flat or low-sloped roofs. I have had clients, who are buying houses, ask me why anyone would put a flat roof on a house in our climate. In theory, they are cheaper to put on but, longterm, I suspect they cost more.

Even a flat roof is suppossed to drain. This is a torchdown roof and you will see a big puddle. That is called ponding. Fact is, that is a low place and, because of the lack of slope toward built in drains, the water stays on the roof. Water like that, on a roof, will almost always eventually lead to a leak below.

The photo below is a snapshot of the area directly below the pond that you see above.

Bottom line -- Flat roof or not, you want the water to drain off the roof in a reasonable period of time. Time to call a roofer.

Steven L. Smith

Bellingham WA Home Inspections

Steven L. Smith

If you enjoy nostalgia and music of yesteryear, click on Elvis' gold record to visit This Day In History. To explore The Stories Behind The Music blog posts click on the electric guitar. 

 

        

 

 

 

 

Comment balloon 7 commentsSteven L. Smith • October 08 2008 10:44AM
Flat Roof Ponding
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In the Pacific Northwet, an inspector sees more than his or her share of flat or low-sloped roofs. I have had clients, who are buying houses, ask me why anyone would put a flat roof on a house in our climate. In theory, they are cheaper to put on… more
Too Much Information AKA Right the First Time
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At an inspection the other day I saw two stains on the carpet. They looked to me like previous pet stains. However, the home had a flat roof and there was ponding above. Therefore, I did not want to assume too much and end up with egg on my face. … more
The Cold Hard Facts About My Home Inspector Assistant
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Stories Behind The Music -- Rockin' Ivories
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If you are thinking about entering the field of home inspection in Washington State, please read this announcement. Under the new home inspector licensing law, which takes effect in the fall of next year, all prospective new inspectors will be… more
Worthless Human Inventions -- by Nutsy
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As a professional squirrel, with technical training and gainful employment, I by necessity have to associate with humans on a daily basis. Although I find many of them to be nervous creatures, I am often overwhelmed by the ridiculous products that… more