After installation your shingles should be aligned in straight rows without any wavy appearance.
Roof appears wavy.
If your roof is sagging wavy or bowing there are six important things in the attic to check from a structural standpoint.
We will highlight the 4 main causes of a wavy or warped roof.
Causes of wavy roofs roofs may become wavy over time or they may have been built that way to start with.
The waviness generally does not cause a roof to leak but it may be architecturally unsightly or occasionally can indicate a problem.
This will not affect the performance of the roof.
If the material was damp if the day was humid or if the paper bubbled up a bit then it can produce a wavy appearance on your new roof.
If you notice the wavy look it could be due to a number of reasons.
If the roof had more than one layer of shingles that could be a cause.
Home exterior roof roof waviness.
Although we generally think of our roofs as one of the major components of our home that keeps us dry we also need to think of them as a key structural component.
Here is what you need to know about the causes of a wavy roof.
Causes of a wavy roof.
This is your number one best case scenario and also the most common because the paper should flatten out completely within a few weeks.
The felt paper used on the decking was potentially wet or bubbly when laid down.
While a wavy roof is aesthetically unpleasing does it affect the performance of the roof.
Most that become wavy do so over time.
On our 06 camelot i noticed the fiberglass roof looked like the ocean.
Defective shingles there is always the possibility that the cause of a wavy roof is the result of a manufacturer defect.
To determine if a wavy roof is more than just an eye sore you must determine the reason for the wave.
It seems during the day when it warms up abit the fiberglass takes on a definite wavy form all the way from the front to the back.
Frost patterns on a roof can give the appearance of waviness without the condition existing e g.
I often see sagging roof rafters that have been overspanned and sometimes plywood roof decking that has delaminated can result in a wavy appearance.
Despite the roof being sized and installed in accordance with the building code waviness between framing members may occur.
When i say warms up i don t mean real hot just in the mid to upper 70 s although direct sunlight.
Purchase only high quality roof shingles from a good source.
As always contact a professional for a thorough inspection and roofing consultation.
Cheap shingles are often thin and easily torn and they don t often adhere to rigorous quality controls and inspections.
Thankfully this is something that can be fixed with just a little time and heat.
10 25 2009 02 35 pm 4.