Starting new project repairing sagging roof - Router Forums

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post #1 of 59 (permalink) Old 03-19-2017, 12:16 PM Thread Starter
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Default Starting new project repairing sagging roof

Our 97 year old house needs some work in the attic shoring up the roof rafters where some are sagging and broken. I knew when I was in the attic last Summer running electrical wiring for the new porch that come Spring time's cool weather I'd have to get on this repair. I was up in the attic yesterday creating better access have started to run some electrical for lights and power so I could see what I'm doing. Looking closer at all area in the attic I can see I have sagging in many areas so I'll address them all.

About 2 weeks ago we had a hail storm that damaged the siding on the West side of the house along with the roof and gutters. I filed a claim with the insurance company and they came out and told me they'd pay for the siding and the roof as well as the gutters. I am meeting with a representative next Friday about starting work on the roof but I'm not going to put a new roof on until I have this rafter situation resolved.

I think this house has inadequate attic ventilation so with the next roof there will be ridge vents installed. This will be an added cost but I feel it's well worth it.

I pray for safety as well as stamina as I'm already tired. Another huge job but who doesn't like moving insulation around?

I'll try to take pictures as I go.

Thanks for reading,
Bryan
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post #2 of 59 (permalink) Old 03-19-2017, 12:24 PM
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"Another huge job but who doesn't like moving insulation around?"
-Bryan

Lips zipped!

Are you planning on re-roofing, Bryan? Man, if you are, that'll make the rafter repair job a whole lot easier. Getting the roof material weight off is a given.
If you can find a semi-retired roof framer, that'd be the answer to your prayers...ie this is not going to be a fun job. The young guys seem to only know how to do truss installations.
Good luck with this!
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post #3 of 59 (permalink) Old 03-19-2017, 12:30 PM
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You are right to fix everything now otherwise you could be throwing good money after bad as the saying goes. Proper ventilation is critical and can lengthen the life of the roofing and roof as well as cut down on cooling costs in the summer. If it is vented properly then as the air in the attic heats it will naturally convect itself up and out. The big question is why are the rafters sagging and or broken. Pictures or drawings would be good and you might should consider hiring an engineer to look at it and suggest the proper fix.

Do you get a snow load where you live?
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post #4 of 59 (permalink) Old 03-19-2017, 08:23 PM Thread Starter
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You are right to fix everything now otherwise you could be throwing good money after bad as the saying goes. Proper ventilation is critical and can lengthen the life of the roofing and roof as well as cut down on cooling costs in the summer. If it is vented properly then as the air in the attic heats it will naturally convect itself up and out. The big question is why are the rafters sagging and or broken. Pictures or drawings would be good and you might should consider hiring an engineer to look at it and suggest the proper fix.

Do you get a snow load where you live?
Charles,

We do have some heavy snows from time to time but not all that often the last couple of years, it's been pretty sparse lately.

There are a couple of reason I think for the sagging. The rafters are only 2 x 4s and they are spaced on 24 inch centers. That seemed to work for lots of years but I think that heat in the attic really played a big roll in their deterioration. That is why I'm going to have the roofers add the ridge vent.

I am going to jack up sections and sister new rafters to the old as well as brace all of then to where walls are underneath.

In the middle of our house is a dormer on one side and a skylight on the other so the bulk of my work will be on each end of the house. These pictures might make it easier to understand.
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post #5 of 59 (permalink) Old 03-19-2017, 09:43 PM
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Pretty heavy project! Good advice on removing weight. Getting it done before Summer arrives will be a press, but I bet you'll manage.
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post #6 of 59 (permalink) Old 03-19-2017, 09:45 PM
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Man, Bryan, you've done a lot of work on your home. It's looking fantastic!
The roofing looks like it's in great shape from the pictures(?).
The hail damage is on the other side, or the pics were taken before the hail storm?
(Doesn't look like Winter...)
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post #7 of 59 (permalink) Old 03-20-2017, 12:39 AM
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I agree with Dan, that's looking pretty sharp. The only bad section of roofing is just to the right of the wishing well roof in one picture. I was reading a couple of years ago that the lifespan of asphalt roofing is shortened by improper attic ventilation. I don't know for sure if that's true or just an out for the roofing manufacturers as there have been lots of complaints about shingles not lasting as long as they should have. You have some vetilation I see but it is lower than the highest point in the main roof and may be too small so I would say more is better. a whirly bird on either side of the dormer would make a huge difference but a professional roofer will give you the best advice.

Are the rafters on either side of the dormer trussed or just straight rafters?

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post #8 of 59 (permalink) Old 03-20-2017, 02:15 AM Thread Starter
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Originally Posted by DaninVan View Post
Man, Bryan, you've done a lot of work on your home. It's looking fantastic!
The roofing looks like it's in great shape from the pictures(?).
The hail damage is on the other side, or the pics were taken before the hail storm?
(Doesn't look like Winter...)

Thank you Dan, I have been working on it for year.

I should have clarified when the pictures were taken. The new back porch addition was last summer. I rebuilt the front porch probably 10 years ago and that picture (of the front) was taken 5 years ago at my daughter's wedding.

The hail happened 2 weeks ago but I don't have any pictures of that yet. Also, I'll get some pictures from up in the attic.
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post #9 of 59 (permalink) Old 03-20-2017, 02:27 AM Thread Starter
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Originally Posted by Cherryville Chuck View Post
I agree with Dan, that's looking pretty sharp. The only bad section of roofing is just to the right of the wishing well roof in one picture. I was reading a couple of years ago that the lifespan of asphalt roofing is shortened by improper attic ventilation. I don't know for sure if that's true or just an out for the roofing manufacturers as there have been lots of complaints about shingles not lasting as long as they should have. You have some vetilation I see but it is lower than the highest point in the main roof and may be too small so I would say more is better. a whirly bird on either side of the dormer would make a huge difference but a professional roofer will give you the best advice.

Are the rafters on either side of the dormer trussed or just straight rafters?
Charles,

I' bet the rafters on the dormer are more of the same and straight rafters though I don't know when that room was added. My house was built in 1920 and has undergone a lot of changes in it's life time.

I've also hear about the poor attic ventilation being hard on the shingles so I want to correct that. As for the dormer, I don't have access to that attic but my plan for that is to add a vent in the gable end and a ridge vent. That room gets pretty hot! I'd like to redo that dormer's interior as it's currently plaster but I'd have to cut sheet rock down to sizes that I could get up the stairs due to how the stairway is orientated in the house. That's probably a retirement jog.

I agree with you about the contractor being able to advise me and I'll listen to him but I'm pretty set on the ridge vents if at all possible.
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post #10 of 59 (permalink) Old 03-20-2017, 07:02 AM
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2 covered porches. My wife would be in heaven. That's one of the things she wants, but may not get til, or if, we move to the "retirement" house.
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