Vulnerable Area for Roof Leaks

By Ben Golden

A well-built roof is crucial to preserving shingles, extending the roof’s lifespan, and avoiding leaks. Hire a seasoned roofing team with diligent project management such as Juno Construction who implement key installation necessities to attain long-lasting properly functioning roofing systems. Let’s talk about roof leakage as we had a shocking discovery just last week on one of our customer’s homes!

Why is my roof leaking?

 

The valley where two elevations of a roof meet
The valley where two elevations of a roof meet

 

One roof element especially prone to leaks are the valleys where two different elevations meet. A roof valley, as shown in this image collects rain and moisture and moving it down and off the roof. This is a vulnerable area for leaks causing serious damage if the valley materials, underlayment, and surrounding elements are not installed correctly.

Juno Construction supervises all work to meet or exceed building codes on all new roofing and repairs. Common things we find during inspections are: failure to install proper ice and water shield/roofing felt under the valley materials which are not visible; poor workmanship during shingle installation; missing shingles near the valley; and the worst…..plumbing boots, furnace, exhausts, or chimneys installed in the valley!! When you have valley blockage from a boot or exhausts, debris and snow can and typically will build-up in the valley causing leakage.

What causes roof leaks?

 

a plumbing boot installed within the valley metal
a plumbing boot installed within the valley metal causing a leaking roof

 

Pictured here is what we found last week, a plumbing boot installed within the valley metal! The homeowner was complaining that their roof was leaking and Juno Construction was on the scene to investigate and immediately saw the culprit. There should NEVER be plumbing utilities installed in a valley or serious consequences can occur.

All contractors have opinions about best practice and materials needed to get the job done right. These opinions often come from misguided marketing campaigns from manufacturers, lack of training, or the intentions of promoting cheap materials in order to maximize profits. Whatever the cause, it’s important to choose a seasoned contractor who truly knows how to waterproof a roof.

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