Common asphalt shingle failure factors include improper storage and handling of the asphalt shingles before installation improper nailing improper flashing which pertains to any roofing material and defective asphalt shingle product material leading to thermal splitting cracking blistering staining and in some cases curling or cupping shingles.
Roofing problems with shingles.
Metal roof over shingles condensation metal roofs must be laid flat on a vapor barrier because steel will condensate if there s any air space underneath it.
Penetrations can include plumbing and roof vents chimneys dormers or anything else that projects through the roof.
Items that penetrate the roof are by far the most common source of leaks.
The first course of shingles needs the same defense from the elements.
Warranty problems we had a gerard roof installed in 2014 and then had a hail in 2015 with loss of rock and dents in the shingles.
It doesn t matter if the air space is a half inch or six inches because the condensation factor will remain the same.
This is one of the most common installation errors by contractors which leads to shingles blowing off.
In fact it s rare for leaks to develop in open areas of uninterrupted shingles even on older roofs.
It often occurs to shingles when they re older and have begun to wear away due to extreme exposure to weather.
Frequent stress from coil slitting cutting and rollforming panels.
Things to know about metal over shingle roof problems.
Put the steel down directly on a vapor barrier.
Improper usage handling and storage by installers.
Canyon skake satisfaction.
If you are trying to decide between the two materials it s important to carefully look at the metal over shingle roof problems.
Both metal and shingle roofs are great options for your next roofing project.
After all you ll be making a significant and long term investment.
New london wi model.
Changes to the structure s original form that puts tension on or moves the panels.
Contact the roofing dog today to request an estimate.
When i put in the warranty claim it was denied because the shingles were not completely penetrated by the hail.
Shingles farther up the roof are protected by the courses beneath them which catch and divert any water that happens to drip between the edges.
Inadequate space allotted for thermal expanding and contracting of the panels.
When you have granule loss you can no longer expect your roof to fully protect your home.