Bad design

Ran into this issue today. Up at the top the valleys just flatten out.

I didn't look in the attic because they informed me that they are selling the house and won't be paying for any structural work. So I don't know if it was built this way from the start or if it caved in at the top later.

Amazingly water is only leaking into the home dead center of the left valley but i checked the ridge nails and they are totally gone. All the heads have been rusted off for a while. lol

I don't know how you would price a job like that because you don't know what your dealing with until you start tearing it out.

I ran into a house like that where the hip rafter had collapsed causing the entire front of the house to sag and break away from the ridge. It didn't happen over night but over a period of years. Turns out the homeowner had hired a "handyman" to put a window in the garage and the guy had taken out 4 studs on a load bearing wall which supported the hip rafter. That caused the whole framing to shift. You can't just jack it up and put in another support because of the shift, so the whole decking and framing must be redone. I think I priced it so high I scared them off. Fine by me.

Yeah, natty is pretty rough! I've been at it since 1985 and I've never seen one quite like this until now.

Hopefully they WONT call! :laugh:

I wonder if the last roofers put a bunch of bundles up on the little top ridge and collapsed it?

OLE Willie Said:

They have insurance on the home.

I guess they could claim a gust of wind collapsed the framing and get insurance to pay for it, but that is defective framing pure and simple.

I did walk on it and it was pretty solid.

They have insurance on the home.

I have not heard back from them in a while now, so evidently this pain in the arse is gonna be some lowballers problem.

The little 2 foot ridge pole has collapsed. I hope you did not walk on that roof because it is about to cave even further. The whole deck and framing in the front needs to be taken down and reframed. If you go into the attic you will see the broken purlins if there are any there at all.

No person is going to buy that house except a "we buy ugly houses" flipper at a HUGE discount. Any home inspector worth anything would point out the defective framing and no mortgage company would lend to buy a house like that and no insurance company would insure it. But we live in an era of corruption and stupidity...

I think twill got it right when he said:

2 hips + 0 ridge = 1 problem

About 5 or 6 courses below the lines of shingles that match the ridge on the dormer sticking out in the last picture If you just took them straight across to flat dormer, it would work well.

I should have mentioned that to make this look good, after I mark lines on both sides of the main roof, accounting for where I turned the rule to get my 2" mark at the ridge, I use those lines to get my lines on the roof projection, measuring down from the cross-over lines, and adjust for my first course line. :) I hope that made sense. Fact is, you can't match lines between the bump out and the roof is both sets are started from the eave.

I see the valley flattening out, not the roof. I deal with these often. I can do open or closed valley on lower 2/3 or 3/4, or 1/2 and I roof straight across the top portion just like the rest of the roof. No pix because I never thought to take any of that detail. It's not hard at all. Just let the valleys disappear into the roof. Put metal under the lower sections. Somewhere near the halfway point, or even well before that, turn any exposed shingles to match the flow of the roof. Don't turn them like the previous folks did. H.O. did that roof as evidencd by the vent at the ridge. When the time is 'right', just shingle across it. The pix show the whole roof pane is 3/12-4/12 unless I'm missing something. I don't see the roof plane itself going flat. Just think outside the box and follow the flow, not just lines. :)

It's hard to see in the pics but when I say it totally flattens out at the top, I mean flat as a pancake to the point where shingles can not be used without leaking.

The only solution other than to rebuild it properly is to run modified up and down both valleys going over top of the shingles on the triangle below and under them on the main house above.

No Ridge or shinlges need to be installed over the modified. It needs to be left exposed.

What a friggin mess! :blink:

What Tinner said. They tried to do a good job and the shingles are straight, but that was bound for failure.

The design is fine. Turning the shingles 90 degrees in the valleys is the major problem. The roofer must have been unaware the keyways are supposed to be parallel to the rafters, not perpendicular to them. :ohmy: Not just roofing straight across the upper 1/4 or so of the valleys is the other issue. :)

2 hips + 0 ridge = 1 problem

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