Roof Appears Wavy

Frost patterns on a roof can give the appearance of waviness without the condition existing e g.

Roof appears wavy.

Let s take a look at some of the typical causes of a wavy shingles especially after a new roof is installed. If you have recently had a roof installed and it has started to look wavy there are the possibilities. A layer of felt paper acts as a base and goes down before the shingles for every installation. If the material was damp if the day was humid or the paper bubbled a bit if could produce a wavy appearance on your new roof.

When heated by the sun the strip will cause the shingles to lay down and bond together. Causes of a wavy roof. Underlayment is what we call the product placed between the decking and and the shingles. This will not affect the performance of the roof.

Having wet or poorly placed felt paper under your shingles can cause your roof to be wavy. The carpenter may have failed to put all of the crowns up on site framed roofs. When some of the crowns are up and some are down then the roof has a wavy look but it is still structurally sound. Poor framing practice is one of the more common reasons for roof waviness.

This is normally not a problem unless you experience windy conditions that can catch the shingles. Frost outline on sheathing joints and over roof framing members. When referring to asphalt shingles felt paper is what is typically used in this application. A roof with a wavy look to it can be caused by a number of reasons but the problem may be short lived.

It is not uncommon for a new roof to look a bit wavy until this permanent seal is created. Shingles not sealing most asphalt shingles have an adhesive strip.