New Shingle Roof Looks Wavy

Inspect the plywood from the attic and look for cracks sagging or rotting.

New shingle roof looks wavy.

I will hold judgement. Applying a temporary adhesive will do the trick. One wrong measurement improperly cut shingle or low quality materials can simply result in an uneven appearance. Would like to see a couple of closer up pics of the vent stack.

Could someone give me any advice before i pay several thousand dollors. New shingles are not aligned accurately. 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. Sometimes you just get a bad apple.

Although the underlying cause is usually excess moisture under the shingles there are several factors that add to the severity of wavy shingles including. It is not uncommon for a new roof to look a bit wavy until this permanent seal is created. These buckling shingles are usually noticed in a straight line pattern or across the roof in ripples that look like they have air bubbles stuck under them. When some of the crowns are up and some are down then the roof has a wavy look but it is still structurally sound.

A new roof will be required after stripping both layers of shingles to achieve a quality flat look. Rafters if too far apart may result in the plywood sagging or if the plywood is too thin for the weight it may sag. Quality of the roofing work in general can also cause a roof to look wavy. I just have my old roof removed and new roof installed by a contractor but the new roof looks wavy.

Having wet or poorly placed felt paper under your shingles can cause your roof to be wavy. Before new shingles seal down they can look a little lumpy and uneven but once the roof gets hot. I have seen roofs look a little wavy from the hooks the roofers slide under the shingles to support the boards to help them stop from sliding off the roof. Although roofing isn t necessarily complex it is extremely precise.

Thankfully this is usually corrected with a little time and heat. When the shingles heat up they become flexible and the adhesive bonds the shingles in place. 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. This is normally not a problem unless you experience windy conditions that can catch the shingles.

When heated by the sun the strip will cause the shingles to lay down and bond together. This is why working with a trusted professional is so important. I m fishy about the explaination. New shingles that are not precisely aligned can also cause a roof to look wavy.

Causes of a wavy roof. This type of roof wave is usually only seen after a new installation. Shingles not sealing most asphalt shingles have an adhesive strip. Damaged decking could also cause a wavy look to shingles.