New Roof Looks Lumpy

Poor installation if you continue to see a problem after the roof has had a sufficient time to seal it is possible that the cause is a poor installation.

New roof looks lumpy.

One can see clearly lots of ripples bumps all over the roof but one section is much worse than the rest. Roof leak leakage of the roofing that has caused rot and partial collapse of the sheathing in the area of the leak is the 1 cause of a roof dip. Incorrectly placed and nailed shingles can cause them to be uneven. 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.

Before new shingles seal down they can look a little lumpy and uneven but once the roof gets hot enough they should soften flatten and form a permanent seal. Here s four common causes. Lets start with the small random bumps on your roof. Sometimes this problem is more.

So if the old roof had a bumpy or lumpy appearance the new layer will as well. If you have a new asphalt roof installed on your home then you may be surprised to find that the roof may appear lumpy or bumpy when it is first installed. Most commonly know as nail pops these areas are caused by either a roofing nail not being driven all of the way in or one that gets driven in side ways and will hold the shingle up just slightly. Multiple things could cause these small raised sections.