Starting at one corner of the roof wedge a pry bar into the narrow space at the top of the shingle mold the thin wooden strip that sits just below the shingles.
Fixing waves in roof.
Any amount of decking damage can result in a pronounced wave so the problem could be tiny but in most cases bad or rotted decking is going to mean extensive roof service and potentially roof replacement.
Hold onto the old shingle mold if it looks to be in good shape.
You will need a professional roofing contractor to do a thorough inspection and advise you if you should repair or replace your roof.
The felt paper used on the decking was potentially wet or bubbly when laid down.
Here are some common causes.
Thankfully this is something that can.
First layer of shingles were wavy and the roofer laid directly over the existing layer.
Ripples or waves on the roof surface are a sure sign that the shingles or decking has probably buckled.
Then the beam or roof may sag.
A roof should look smooth if it is in good condition.
If you can get at the underside of the roof from the attic you can install 2x4 blocking to push the plywood up where it is dipping to help straighten it out.
I e the original roof was a light wood shingle roof and the new replacement roof is a concrete tile roof weighing 5 or 10 times more than the original roof.
The waviness generally does not cause a roof to leak but it may be architecturally unsightly or occasionally can indicate a problem.
Force the mold away from the roofing a few inches at a time then lift off the entire piece in one section.
Poor framing practice is one of the more common reasons for roof waviness.
The carpenter may have failed to put all of the crowns up on site framed roofs.
A structurally sound houston roof will protect your house and possessions from rainwater or melting snow that has accumulated during the winter months.
Causes of a wavy roof.
Other times it will require costly repairs to correct the issue.
As to the extent of it you ll need a professional to come take a look but don t get your hopes up.
When some of the crowns are up and some are.
Causes of a wavy roof.
These would include your roof s age the temperature and weather conditions and the overall roof condition.
This is a bad move a roofing.
In some instances the shingles will seemingly fix themselves almost like magic.