Why Is My Roof Wavy

The felt paper used on the decking was potentially wet or bubbly when laid down.

Why is my roof wavy.

Poor framing practice is one of the more common reasons for roof waviness. There are a few reasons why it occurs but please remember that it is dangerous for you to attempt to diy or self inspect your roof. A few reasons why your roof is wavy wavy or warped roofs don t happen naturally. This type of roof wave is usually only seen after a new installation.

There was an issue with the felt paper before the shingles of a roof are put down felt paper is laid down first. Typically after a few warm summer weeks the shingles will lay flat and you will no longer notice the wavy look. A bad measurement improperly sized shingle or low quality roof can simply result in an uneven and wavy appearance which essentially means you got a raw deal. When a homes foundation shifts is not level or damaged then the foundation issues may be reflected by a sagging bowed or wavy roof.

When heated by the sun the strip will cause the shingles to lay down and bond together. Shingles not sealing most asphalt shingles have an adhesive strip. And most of them are bad news unfortunately. Causes of a wavy roof.

If your roof is starting to get some age on it there are really only a few reasons it might start to look wavy. It is not uncommon for a new roof to look a bit wavy until this permanent seal is created. Causes of a wavy roof. Rather rely on a local roofing contractor for professional help.

The following are some of the more common causes for a wavy roof. This is why working with trusted professionals is so important and why the lowest quote doesn t always mean the best. Having wet or poorly placed felt paper under your shingles can cause your roof to be wavy. The most likely reason an older roof would start to look wavy is that the decking has been damaged.

With so little support and with the effect of moisture the plywood often warps. This is the best case scenario for a wavy roof because typically the paper will end up flattening itself after a few weeks of summer weather. When referring to asphalt shingles felt paper is what is typically used in this application. The carpenter may have failed to put all of the crowns up on site framed roofs.

When some of the crowns are up and some are down then the roof has a wavy look but it is still structurally sound. Thankfully this is something that can be fixed with just a little time and heat. Wavy or sagging roofs can be a warning sign that there are foundation problems with a house however there are a number of other reasons for a roof to sag or be wavy as well.