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 and hail.
New roof shingles not laying flat.
Why are new roof shingles not flat.
If the roofers try to straighten the shingles as they are installing they should eventually settle.
After installation an appearance of bumpiness or lifted shingles may be evident.
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.
Sometimes this problem is more apparent on roof slopes that don t heat up sufficiently for the shingles to seal until summer.
However once the roof gets hot enough they should soften flatten and form a permanent seal.
It s because of optical illusion the laminated part fools the eye.
Architectural shingles are laminated and will never appear to lay flat like a non laminated shingle such as a 3 tab or 4 tab.
The shingles do not flatten out or conform to the roof deck because they were distorted while in the bundle.
Shingle bundle distortion is a phenomenon that can cause shingles to not lay flat after installation.
Sometimes this problem is more apparent on north facing roof slopes that don t heat up sufficiently for the shingles to seal until summer.
You should be able to see the difference.
Before new shingles seal down they can look a little lumpy and uneven.
Most felt paper will not lay tabletop flat in cold weather.
A more serious problem could be that they shingled over extremely buckled felt paper.
Check the roof by applying pressure to areas of the roof.
There are different types and styles of roof shingles that are either flattened or curved when facing against the roof.
What causes this distortion.
Roof shingles are not lying flat new shingles not sealing down.
Standard asphalt shingles feature an adhesive strip that softens during warm weather.
New roof isnt laying flat.
If the shingles are stacked incorrectly at the ridge in cold weather they will stay bowed for a long time especially if the sun is gone to holidays.