Ripples or waves on the roof surface are a sure sign that the shingles or decking has probably buckled.
Uneven roof and deck warping.
Roof shingles are not lying flat.
Frost on the plywood.
If you see even the slightest warping or wave to your shingles contact us as soon as possible.
Otherwise wrinkling of the materials can create a warping effect.
If a roofer installs a roof deck without ensuring the rafters are even warping often occurs.
An improperly installed roof deck or the sheets of plywood that are underneath your roofing material could result in the plywood shifting.
2 roof deck is warped and the shingles are all wavy causing the water to leak under the shingles.
Occasionally the buckling is caused by poor workmanship wrong materials or possibly by a problem with the structure itself.
Those ripples bumps can be pressed down easily which suggests that there is space between the shingle and decking i e shingles are not properly supported by the decking where there are ripples.
It s also important to confirm that the ledger is bolted tightly against the house along its entire length.
In some places the fascia boards warped to such an extent that the screws sheared off leaving a gap of over an inch.
Initially bad ventilation warped this roof deck.
Investigating a warped and wavy roof.
The thick duralife fascia boards should then be installed below the decking boards and fastened to the outer rim joists using 8 x 2 stainless steel capped.
Underlayment must be dry and flat for roofing to stay in place.
The shingles on your roof serve a dual purpose.
Roofs buckle because either the roofing underlayment has wrinkled or the wood deck itself has shifted for some reason.
While a wavy roof is aesthetically unpleasing does it affect the performance of the roof.
If however the decking runs perpendicular to the house you ll have to raise every deck board to expose the ledger.
To determine if a wavy roof is more than just an eye sore you must determine the reason for the wave.
A wavy roof is an unsightly thing.
Simply pry up one or two rows of decking install the flashing and replace the deck boards.
Movement of the roof deck.
One can see clearly lots of ripples bumps all over the roof but one section is much worse than the rest.
The plywood might also become warped itself if it becomes wet which could happen in the case of a roof leak.
Why this should cause mold warping and uneven color i don t know.
Wood is soaked and leaking.
They give the roof a finished look while forming a protective seal.
Poor spacing between roof deck panels can also lead to the same problem.