Nails in your yard.
New roof some shingles not flat.
The minimum pitch required for shingles is 2 12 which means for every 12 inches the roof rises 2 inches.
Sometimes this problem is more apparent on north facing roof slopes that don t heat up sufficiently for the shingles to seal until summer.
Some times they settle down and sometimes they don t.
The extent of the problem depends upon many factors including the age of the roof the outdoor temperature and the overall condition of the roof.
Lumpy bumpy or curling shingles that do not lie flat can be problematic but don t hire a new roofer yet.
There are different types and styles of roof shingles that are either flattened or curved when facing against the roof.
It may just be that the shingles need some warm sun and everything will be fine.
Then when used they do not lay flat.
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If your roof shingles are not lying flat there can be several possible reasons.
In some instances the shingles will seemingly fix themselves almost like magic.
Any slope that has a pitch less than 2 12 is too flat for shingles and should be covered with flat roof materials such as tpo pvc epdm rubber or others.
Roof shingles are not lying flat new shingles not sealing down.
Which is why in it is bad to stack shingles over the ridge a crap shoot.
What causes this distortion.
Why are new roof shingles not flat.
After installation an appearance of bumpiness or lifted shingles may be evident.
Check the roof by applying pressure to areas of the roof.
You should be able to see the difference.
Other times it will require costly repairs to correct the issue.
Shingle bundle distortion is a phenomenon that can cause shingles to not lay flat after installation.
Standard asphalt shingles feature an adhesive strip that softens during warm weather.
Meaning that they heat up and bend stretch.
The shingles do not flatten out or conform to the roof deck because they were distorted while in the bundle.
Most communities have building codes that prevent homeowners and roofers from installing more than.
Most felt paper will not lay tabletop flat in cold weather.
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.
In most cases new asphalt shingles are installed by overlapping one from another or by interlocking this creates a barrier against different forces of the weather most notable rain snow.
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