These would include your roof s age the temperature and weather conditions and the overall roof condition.
Is a wavy roof bad.
This is a bad move a roofing company should not lay new roofing shingles over shingles that are wavy.
This is why working with trusted professionals is so important and why the lowest quote doesn t always mean the best.
Roofs may become wavy over time or they may have been built that way to start with.
Most that become wavy do so over time.
If the felt paper was bubbly or wet when it was applied then it will cause the roof to look wavy.
The most likely reason an older roof would start to look wavy is that the decking has been damaged.
Inspect the plywood from the attic and look for cracks sagging or rotting.
When a homes foundation shifts is not level or damaged then the foundation issues may be reflected by a sagging bowed or wavy roof.
If your roof shingles are not lying flat there can be several possible reasons.
However you don t have to start panicking just yet.
Roofing isn t complex really but it is exceptionally precise.
Check foundation for these 5 things.
And most of them are bad news unfortunately.
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.
Quality of the.
If your roof is starting to get some age on it there are really only a few reasons it might start to look wavy.
If any of this is found be sure to have a roofer replace any plywood with the required thickness of board that is code for where you live.
The waviness generally does not cause a roof to leak but it may be architecturally unsightly or occasionally can indicate a problem.
If your shingles are curling bumpy wavy or lumpy this can potentially be a problem.
Damaged decking could also cause a wavy look to shingles.
A new roof will be required after stripping both layers of shingles to achieve a quality flat look.
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.
