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Old 06-21-2013, 11:48 AM   #1
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can a roof over be done over felt?


My roof is ROTTEN and I have a limited amount to work with. All the plywood on the roof has to be replaced, that's easy enough to do but I want to do a roof over vs laying out shingles because I also have limited amount of manpower. Can I do a roofover just felt or would I have to put rolled roofing over the felt BEFORE doing the roofover.

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Old 06-21-2013, 12:45 PM   #2
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can a roof over be done over felt?


So your plywood is rotten but you want to do a layover?

And with just felt?


I wouldn't recommend that one.

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Old 06-21-2013, 01:12 PM   #3
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can a roof over be done over felt?


If the plywood is being replaced, where are you finding the original shingles to roof over? You putting them back on?
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Old 06-21-2013, 03:23 PM   #4
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Your statement makes no sense whatsoever. Please read it and restate what you are attempting to do.
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Old 06-21-2013, 05:07 PM   #5
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Your statement makes no sense whatsoever. Please read it and restate what you are attempting to do.
Yup, a real head scratcher for me too. What is you say?
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Old 06-21-2013, 07:24 PM   #6
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can a roof over be done over felt?


the ROOF OVER I meant involves furring strips and a corrugated roofing material not roofing shingles which was stated. so....
1.) remove and replace plywood. not saving shingles.
2.) put roofing felt down.
3.) placing furring strips down. (some people say use them some say no. I'd rather but.......)
4.) putting down corrugated roofing material. or a metal roofing material
I'm sorry I can't get more simplistic than that.
Does that help?
I have no choice I have to do this myself I literally can't afford to have someone do it so thanks for the help. If i state things wrong read between the lines and I have watched people do it but never done it myself so you can call me a nit wit but ya gotta do whatcha gotta do

Last edited by Mrs Pat; 06-21-2013 at 07:31 PM. Reason: unclear not enough info
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Old 06-21-2013, 07:55 PM   #7
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can a roof over be done over felt?


"the ROOF OVER I meant involves furring strips and a corrugated roofing material not roofing shingles which was stated..."

No, it wasn't
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Old 06-21-2013, 08:21 PM   #8
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can a roof over be done over felt?


If you are trying to do a metal roof by yourself, I hope your insurance premiums are up to date.
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Old 06-21-2013, 08:53 PM   #9
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can a roof over be done over felt?


OK I think I get you now. Your first post said nothing about metal or corrugated whatsoever, so copping a haughty attitude is not warranted.

I would not recommend this type of roof for your home, as you will probably get some leaks now and then but if it is for a chicken coop or shed or something like that then it would be OK.

1. Re-Sheathe with plywood.
2. Install ASTM D-226, Type 2 (No. 30) Felt. Make sure the felt has the ASTM number. side lap 3 inches and end lap 6 inches. I would put mastic in the end laps.
3. Install furring strips so they fall in the ribs. About 1 foot on center.
4. Fasten panels into top of ribs with No. 14 HWH self tapping screws with EPDM sealing washers. Side lap 2 ribs with sealant, end lap 6 inches.
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Old 06-21-2013, 11:06 PM   #10
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Shingles would be cheaper and easier. Metal roofing is not easy to do properly. I could see how it would be very dangerous as well. Oh, by yourself, no, I would not try that
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Old 06-22-2013, 10:04 AM   #11
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can a roof over be done over felt?


While I love metal, as a homeowner undertaking, it is the more difficult application to get done properly.
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Old 06-23-2013, 12:25 AM   #12
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Quote:
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While I love metal, as a homeowner undertaking, it is the more difficult application to get done properly.

I like metal roofing too. But I would not recommend it done with a newbie.
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Old 06-23-2013, 03:46 PM   #13
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can a roof over be done over felt?


In lieu of metal why not do comp, it is easier to install for the diy inclined and cheaper and easier to install than metal. DIY is great for a lot of things, but i would not be risking a DIY job on a metal roof, your just asking for problems. We havent seen your roof but generally Metal is not DIY. So unless your roof is two sides, no hips no valley and no penatrations () Comp is the smart move...or hire a metal roofer.

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