New Shingle Roof Looks Wavy

The contractor told me it s because it s winter now and the shingles are shrunk and they will flat when temperature gets quite warm.

New shingle roof looks wavy.

When heated by the sun the strip will cause the shingles to lay down and bond together. This is normally not a problem unless you experience windy conditions that can catch the shingles. Rafters if too far apart may result in the plywood sagging or if the plywood is too thin for the weight it may sag. I just have my old roof removed and new roof installed by a contractor but the new roof looks wavy.

Would like to see a couple of closer up pics of the vent stack. 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. Before new shingles seal down they can look a little lumpy and uneven but once the roof gets hot. Could someone give me any advice before i pay several thousand dollors.

Applying a temporary adhesive will do the trick. 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. I m fishy about the explaination. New shingles that are not precisely aligned can also cause a roof to look wavy.

Roofing isn t complex really but it is exceptionally precise. This is why working with a trusted professional is so important. When the shingles heat up they become flexible and the adhesive bonds the shingles in place. One wrong measurement improperly cut shingle or low quality materials can simply result in an uneven appearance.

Shingles not sealing most asphalt shingles have an adhesive strip. Inspect the plywood from the attic and look for cracks sagging or rotting. When some of the crowns are up and some are down then the roof has a wavy look but it is still structurally sound. Causes of a wavy roof.

Having wet or poorly placed felt paper under your shingles can cause your roof to be wavy. I will hold judgement. Although roofing isn t necessarily complex it is extremely precise. 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.

A new roof will be required after stripping both layers of shingles to achieve a quality flat look. New shingles are not aligned accurately. It is not uncommon for a new roof to look a bit wavy until this permanent seal is created. Not a roofer so not sure what they are called after a couple of sunny days hey flattened back down.

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. Thankfully this is usually corrected with a little time and heat. This type of roof wave is usually only seen after a new installation. Although the underlying cause is usually excess moisture under the shingles there are several factors that add to the severity of wavy shingles including.