What causes wavy shingles?

New shingles are not aligned accurately.



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. This is why working with trusted professionals is so important, and why the lowest quote doesn’t always mean the best!

How do you fix wavy shingles?





Typically, in this case, the problem will resolve itself with just a little time and heat. Often, after a few warm summer weeks, the shingles will lay flat and you will no longer notice the wavy look. While it may look concerning now, it’s not permanent and will flatten out soon.

Why does my roof have bumps?

Blistering shingles have little raised bumps and can be caused by a number of factors. In some cases, moisture will become trapped within the shingle during manufacturing. When the sun shines on these shingles, they’ll start to heat up and that extra moisture can result in raised bumps.

Are shingles supposed to be loose?

When you look at your roof, all the shingles should be smooth and flat in order to keep moisture out of your home. One surefire sign that your roof has some damage is loose or lifting shingles.

Should a new roof look wavy?

It is not uncommon for a new roof to look a bit wavy until this permanent seal is created. This is normally not a problem unless you experience windy conditions that can catch the shingles. Applying a temporary adhesive will do the trick.

Why does my roof have ripples?





Poor ventilation causes heat to build under the shingles, causing them to expand and contract. This movement causes shingles to have ripples. The best way to deal with poor ventilation is to ensure there are enough roof vents and your attic is also properly ventilated and insulated.

How long does it take for a new roof to settle?

How Long Does It Take to Replace a Roof?

Type of roofing materials Average replacement (days)
Flat roof 2 – 3
Concrete Tile 8 – 9
Steel sheets 3 – 4
Asphalt shingles 1 – 2

Is it normal for shingles to lift?

If moss begins to grow beneath shingles, it can gradually lift them up. If someone recently walked across your roof to repair the chimney or to perform some other type of work, the shingles may have been damaged. Shingles may also lift and curl because of age.

How long does it take for a new roof to lay flat?

The most common shingle types and their average replacement times are: Asphalt Shingles – one to three days. Wooden Shingles – six to eight days. Slate Tiles – six to seven days.

Why does my new roof look lumpy?



Asphalt shingles soften in the heat, which causes the shingles to bond to one another. This is what creates that flat look. If your shingles have not bonded yet, then they might look a little lumpy. However, this problem usually resolves itself after the shingles soften, usually in the warmer months.

Why would a roof look wavy?

Wavy roofs are most commonly caused by poor installation, low-quality materials, or damage to the underlying structures. A wavy roof may also be caused by weather conditions such as too much humidity during installation or intense storms.

Should a new roof lay flat?

Before new shingles seal down, they can look a little lumpy and uneven, but once the roof gets hot enough, they should soften, flatten and form a permanent seal.

How long does it take for a shingle roof to settle?



The first, and more flexible, is that the outside temperature on the roof must be at least 40 degrees F for 24 consistent hours. The reason for this is that the adhesive strip will not activate and seal the shingle under colder conditions.

What to look for after a new roof is installed?

The good news is that there are 4 helpful ways that you can tell if your home’s roof has been installed correctly or incorrectly.



How to Tell If Your Roof Is Installed Correctly

  1. Check the flashing. …
  2. Look for a uniform appearance. …
  3. Check the shingles for proper nailing or overhang. …
  4. Inspect for rotted roof decking.


Why does my new roof look uneven?

New roofs can develop a wavy appearance due to wrinkles in the underlayment or a lack of adhesion between the individual tabs. If your roof has looked smooth for years and has only developed an uneven appearance with age, the change is likely due to damage instead.