Roof Appears Wavy

Frost patterns on a roof can give the appearance of waviness without the condition existing e g.

Roof appears wavy.

Typically after a few warm summer weeks the shingles will lay flat and you will no longer notice the wavy look. 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. To determine if a wavy roof is more than just an eye sore you must determine the reason for the wave. As always contact a professional for a thorough inspection and roofing consultation.

Causes of wavy roofs roofs may become wavy over time or they may have been built that way to start with. Purchase only high quality roof shingles from a good source. Most that become wavy do so over time. We will highlight the 4 main causes of a wavy or warped roof.

If you notice the wavy look it could be due to a number of reasons. While a wavy roof is aesthetically unpleasing does it affect the performance of the roof. Here is what you need to know about the causes of a wavy roof. If your roof is sagging wavy or bowing there are six important things in the attic to check from a structural standpoint.

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. You can check for damaged shingles or any other damaged areas of the roof including a wavy roof. Despite the roof being sized and installed in accordance with the building code waviness between framing members may occur.

Causes of a wavy roof. 10 25 2009 02 35 pm 4. When i say warms up i don t mean real hot just in the mid to upper 70 s although direct sunlight. Thankfully this is something that can be fixed with just a little time and heat.

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. After installation your shingles should be aligned in straight rows without any wavy appearance. The waviness generally does not cause a roof to leak but it may be architecturally unsightly or occasionally can indicate a problem. Defective shingles there is always the possibility that the cause of a wavy roof is the result of a manufacturer defect.

I often see sagging roof rafters that have been overspanned and sometimes plywood roof decking that has delaminated can result in a wavy appearance. This is your number one best case scenario and also the most common because the paper should flatten out completely within a few weeks. If the roof had more than one layer of shingles that could be a cause. The felt paper used on the decking was potentially wet or bubbly when laid down.

Cheap shingles are often thin and easily torn and they don t often adhere to rigorous quality controls and inspections.