Ripple In Roof

Rippled shingles can quickly over time lead to a leaking roof.

Ripple in roof.

What do you think. Keystone says it s normal nothing wrong. Those are usually but not always caused by tarpaper getting wet shingled and then the gas from evaporation causes the buckles. They come in the morning and shingle over the ripples they will always show.

Keystone states that ripples in roof is not a defect and won t cover repair. I took my unit over to the rv repair shop to have the a c installed and showed him the ripples. Heavy weight felt paper installed with ripples in it will reflect in the shingles over time. However if this is the problem than the existing roof would have shown the same waves it would be god for your case if you had recent photos of the roof proving this was not the case.

Ripples can also expose the wooden portions of the roof to moisture that could lead to deterioration as well as rotting. Btw camping world their dealer states a new roof is warranted. Occasionally the buckling is caused by poor workmanship wrong materials or possibly by a problem with the structure itself. Ripples or waves on the roof surface are a sure sign that the shingles or decking has probably buckled.

Looks like its the sheathing due to the fact that the ripples look to be about 8 feet apart. In the direction you are laying. Roofs buckle because either the roofing underlayment has wrinkled or the wood deck itself has shifted for some reason. While checking out the roof for an additional a c unit install i noticed some side to side ripples in the rubber covering.

Over night the paper will ripple with temperature change. Plesieur paul lesieur cmi april 29 2014 10 02pm 8. 2019 montana hc 373rd purchased april 2019 yes only 15 months old. If they used tar paper as an underlayment and left it over night with out shingling it that could be the cause as well.

These ripples or waves could be picked up off the solid roof and it was apparent that the covering was not glued down at all. If your roof has ripples you should be concerned.