New Roof Has Ripples In It

When some of the crowns are up and some are down then the roof has a wavy look but it is still structurally sound.

New roof has ripples in it.

I found these ripples on the roof line and can not figure out what would have caused them. I could see nothing from the attic as the insulation baffles covered the area in all. I m concerned they over tightened the screws or the material is not correct. Rippled shingles can quickly over time lead to a leaking roof.

Speaking as a talented amateur i did my first ever epdm flat roof last year 20 sq m irregular shape it had no ripples then and it has no ripples now. Anyone have any ideas or seem this before. The shingles on your roof serve a dual purpose. I had my shingle roof replaced a couple of weeks ago using 25 year shingles and 30 lb.

Roof shingles are not lying flat. Should the roof have so many ripples. Poor framing practice is one of the more common reasons for roof waviness. Lumpy bumpy or curling shingles that do not.

They were about every 8 ft along the roof line on the one side of the house. They used peal and stick underlayment. This could be a sign of a bigger problem in the future. You could see some unevenness in the old shingle roof.

If your roof has ripples you should be concerned. The carpenter may have failed to put all of the crowns up on site framed roofs. 3 yr old hip roof. They give the roof a finished look while forming a protective seal.

One can see clearly lots of ripples bumps all over the roof but one section is much worse than the rest. As to the extent of it you ll need a professional to come take a look but don t get your hopes up. Ripples can also expose the wooden portions of the roof to moisture that could lead to deterioration as well as rotting. They were right at the edge above the soffit area and just a couple of feet long.

Epdm is heavy stuff it wants to lie flat and doesn t need much encouragement with a broom to do so. 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. This is a new install on a 20 year old house. Contractor stated it was normal because no roof is completely flat.