Roof is leaking and not sure why or where

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You were fed a platter of manure. Flashing should NEVER have exposed nail through it. Even if it was caulked, the caulking will eventually fail. I would insist that he fix it properly. Just my :2cents:
 
You were fed a platter of manure. Flashing should NEVER have exposed nail through it. Even if it was caulked, the caulking will eventually fail. I would insist that he fix it properly. Just my :2cents:

What is the correct way? Just skip the cosmetic aspect of placing shingles over the flashing? Or is there another way f adhering the shingles to the flashing without pounding a nail through it?

thanks
 
Head wall or apron flashing should be exposed and visible. I do not know any reputable roofer that tries to cover it up. I know quite a few roofers.
 
This vid about 2/3 of the way thru shows a cover shingle as does the nachi link I posted above. In the vid they show gluing the cover shingle down to the flashing not nails.

[ame]https://www.youtube.com/watch?v=zHxDhpfHmEg[/ame]
 
They didn't change the flashing. I think the bigger question would be the condition of the flashing that is there.
The fix would be to go back to inspectors post on removing the siding and the sheeting would be inspected at the same time.
 
With out being able to get up on the roof and visually inspect the flashing and shingle install, the only thing we can do is speculate. Anything on or near is suspect, flashing's, walls, windows, overhangs. Once again, take a hose and leak test the area. This will usually find the source of the leak.
 
In the vid they show gluing the cover shingle down to the flashing not nails.

They say to either seal the nails or glue shingles to the flashing. So if they were to have just sealed the nails, how would that be any different than my situation where they nailed through the shingle and the flashing? (Granted, they didn't seal around the nails like they should have.)

I'm torn here because I've spent hours researching on Google the correct way to shingle over flashing. Some people say to never nail into flashing and others say that it's fine.

Blah. I need a drink. Is 1pm too early? :)
 
:beer:Ya I saw them nailing that to the deck in the vid. I would rather see it nailed to the face I think.

The hose idea is the best once it warms up. Start low and work up.:beer:
 
So I just went out on the roof to shoot some more video and was able to see the flashing.

They never replaced the flashing when they replaced the roof. So they left the old flashing which is probably 30 years old or more.

I don't know if this is why I'm having issues, but I'm pretty pissed right now.

Wouldn't you expect the flashing to be replaced on a new roof? So I guess this explains why he likes putting shingles over the flashing.
 
Awesome! Here's a short YT video showing what i saw... http://youtu.be/ufi6woJjvEw

Flashing_zpsceafe10j.png
 
You will find that more often than not, all be it, the right way to do it is to remove some siding and replace the flashing. Given the choice and the added expence would you have gone for the better method? The higher bid guys should have told you what they would have done, so you would know the difference.

I went back to the video to see if I could learn more.

No rain, freezing with snow sitting on roof.

Considerable amount of water leaking somewhere.

Ice dam material for six feet, should rule out the upper roof.

Ice dam material is not needed on a roof over unheated area. No ice dam on porch.

Aluminum is much like vinyl siding in that it leaks and a good house wrap is required to protect the house from the water. New flashing around the windows could be closing an exit path for the water.

The flashing on the roof not being done right may cause a problem.

All that being said, the water had to come from somewhere that it was sitting frozen, so where was the water sitting frozen?

Heat coming from the house may have been warming and melting the snow close or over the flashing, creating an ice dam situation.

By now we should all have seen snow melting on the streets and how much water can back up beside the curb when slush plugs up a 12 by 20 drain grate.

At the time of the video we can see the temp changed in a hurry we can see the top half of the porch roof had melted off . Where did that water go if the snow below does nothing more than impede it's path.
 
The slighter the pitch the easier it is for any kind of slush dam to back melting water up hill and breach the top of the shingle. I think that might have been my first suggestion a couple days agowhen snow falls off that upper roof it will pile right where you said it would land. Then all that roof snow starts melting and coming off as slush and building a ridge the water on one side of the ridge runs off the other side works its way up under the old flashings and enters the roof.

Neal said it’s a cold roof so no need for ice dam material under the shingles I don’t know about that some kind of self-sealing membrane might be in order if that’s what’s going on.
 
I just think that was too much water for the nails or window leak considering would have to come from snow sitting some where.
 
I just think that was too much water for the nails or window leak considering would have to come from snow sitting some where.

I think you're right. It might be time to venture into the crawl space (attic) this weekend. Any advice on what I should be looking for (besides the obvious).

Should I address the fact that he never replaced the flashing even thought it might not be the root of the problem?

thanks
 
The water doesn’t have to enter thru the nail holes. When it backs up it can go right up under that flashing with the big wrinkles and as it was reused it was ripped up and the new shingles slipped in below it no sealer went between the flashing and the shingle. If it backs up to the top of the shingle it has a big gap there to run right in anyplace it wants. By the looks of it to me a 2 or 3” ridge of slush would be enough with that pitch.
 
Before you go into the attic... run the hose where the wall meets the porch roof flashing. If you get water running in the same spots, its the flashing.
However... do not stop there... you may have more leakes above also. It could be a couple of things. But those nail holes would not contribute that much water to what we saw. Its usually, flashing that fails first.
 
Before you go into the attic... run the hose where the wall meets the porch roof flashing. If you get water running in the same spots, its the flashing.
However... do not stop there... you may have more leakes above also. It could be a couple of things. But those nail holes would not contribute that much water to what we saw. Its usually, flashing that fails first.

We don't know how the wall is flashed with out demo. The underlayment should turn up the wall behind the siding. Could be ice damning, could be siding, could be windows, could be a lot of things...till some gets a hose and starts eliminating things, we will kick this horse till its glue...
 
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