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Old 12-27-2009, 04:19 PM   #1
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Roof leaks, seems at seam of two rooflines


Hi

Hoping for your 2 cents please! A bit of info.

Old farmhouse style roofline - main part of roof is about 9/12 pitch, bottom "kick" is 3/12. Looks like that low pitch part was actually a porch made into an inside space. Roof is true 2x4 on this low pitch 7x22' span. Upper good pitch roof portion is true 2x6". The original 1x6 planks are in great shape.

The meeting of these two roof lines is leaking despite reshingling, ice shield, flashing and tons of wishful thinking. Seems maybe, the 2x4 roof may be flexing under weight of snow etc. It does NOT leak even in the heaviest of rains.

Am looking for a permanent solution to this problem without having to re-truss the whole thing to bring continuity to it. Ceiling is ripped out, spray insulated. Perimiter wall of this 2x4 area is also true 2x4. This perimiter wall has some rot.

To put a steel roof on the entire house is too much cost to bear but this section of house may not be too much money. This house is a patchwork quilt of building joined. It's this center, the oldest portion, which is causing us grief.

Is a steel roof the easiest, get it done solution? Should we sister in lumber and change the pitch (and remove the seam from the equation)?

At what point does the strength of perimiter walls come into consideration. This is why I say avoid re-trussing. I doubt the 2x4 framing would hold that kind of load as one window header is well dry rotted.

please share your thoughts if you have a few moments.

thx

Michelle
Gravenhurst Ontario

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Old 12-27-2009, 06:22 PM   #2
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Roof leaks, seems at seam of two rooflines


You have any pix? They would be helpful.

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Old 12-31-2009, 11:41 AM   #3
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Roof leaks, seems at seam of two rooflines


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Originally Posted by mmeiners View Post
Hi

Hoping for your 2 cents please! A bit of info.

Old farmhouse style roofline - main part of roof is about 9/12 pitch, bottom "kick" is 3/12. Looks like that low pitch part was actually a porch made into an inside space. Roof is true 2x4 on this low pitch 7x22' span. Upper good pitch roof portion is true 2x6". The original 1x6 planks are in great shape.

The meeting of these two roof lines is leaking despite reshingling, ice shield, flashing and tons of wishful thinking. Seems maybe, the 2x4 roof may be flexing under weight of snow etc. It does NOT leak even in the heaviest of rains.

Am looking for a permanent solution to this problem without having to re-truss the whole thing to bring continuity to it. Ceiling is ripped out, spray insulated. Perimiter wall of this 2x4 area is also true 2x4. This perimiter wall has some rot.

To put a steel roof on the entire house is too much cost to bear but this section of house may not be too much money. This house is a patchwork quilt of building joined. It's this center, the oldest portion, which is causing us grief.

Is a steel roof the easiest, get it done solution? Should we sister in lumber and change the pitch (and remove the seam from the equation)?

At what point does the strength of perimiter walls come into consideration. This is why I say avoid re-trussing. I doubt the 2x4 framing would hold that kind of load as one window header is well dry rotted.

please share your thoughts if you have a few moments.

thx

Michelle
Gravenhurst Ontario
I'm sorry to tel you this but if you have removed all the siding and installed ice & water shield, then new step flashing, and replaced eveything. The water is always going to win.

Shovel the roof...Good Luck
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Old 12-31-2009, 11:44 AM   #4
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Roof leaks, seems at seam of two rooflines


You really should learn about the products before you become a roof inspector. These insurance guys are telling people to change thier roofs, well thats good for us, we should be getting paid for roof inspections.
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Old 12-31-2009, 12:04 PM   #5
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Roof leaks, seems at seam of two rooflines


I would be concerned that the ice and water shield covers up high enough past the crotch,because it sounds like the leak is happening higher due to ice prescence,and backing in,pics would make it easier to judge
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