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.
Fixing waves in roof.
The waviness generally does not cause a roof to leak but it may be architecturally unsightly or occasionally can indicate a problem.
Hold onto the old shingle mold if it looks to be in good shape.
Here are some common causes.
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.
Causes of a wavy roof.
This is a bad move a roofing.
A roof should look smooth if it is in good condition.
Causes of a wavy roof.
These would include your roof s age the temperature and weather conditions and the overall roof condition.
The felt paper used on the decking was potentially wet or bubbly when laid down.
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.
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.
In some instances the shingles will seemingly fix themselves almost like magic.
Thankfully this is something that can.
A structurally sound houston roof will protect your house and possessions from rainwater or melting snow that has accumulated during the winter months.
You will need a professional roofing contractor to do a thorough inspection and advise you if you should repair or replace your roof.
Other times it will require costly repairs to correct the issue.
Ripples or waves on the roof surface are a sure sign that the shingles or decking has probably buckled.
The carpenter may have failed to put all of the crowns up on site framed roofs.
If a roof has been re roofed with heavier roofing material than the original roof was engineered for.
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.
Then the beam or roof may sag.
Damaged decking could also cause a.
When some of the crowns are up and some are.