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-   -   can a roof over be done over felt? (http://www.diychatroom.com/f9/can-roof-over-done-over-felt-182221/)

Mrs Pat 06-21-2013 10:48 AM

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.

jproffer 06-21-2013 11:45 AM

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

And with just felt?


I wouldn't recommend that one.

Willie T 06-21-2013 12:12 PM

If the plywood is being replaced, where are you finding the original shingles to roof over? You putting them back on?

jagans 06-21-2013 02:23 PM

Your statement makes no sense whatsoever. Please read it and restate what you are attempting to do.

Darryl Mathe 06-21-2013 04:07 PM

Quote:

Originally Posted by jagans (Post 1205099)
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?

Mrs Pat 06-21-2013 06:24 PM

clarification
 
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

RoyalAcresRod 06-21-2013 06:55 PM

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

No, it wasn't

Gymschu 06-21-2013 07:21 PM

If you are trying to do a metal roof by yourself, I hope your insurance premiums are up to date.

jagans 06-21-2013 07:53 PM

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.

mj12 06-21-2013 10:06 PM

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

Windows on Wash 06-22-2013 09:04 AM

While I love metal, as a homeowner undertaking, it is the more difficult application to get done properly.

roofingquotes 06-22-2013 11:25 PM

Quote:

Originally Posted by Windows on Wash (Post 1205436)
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.

AndyWRS 06-23-2013 02:46 PM

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 (:laughing:) Comp is the smart move...or hire a metal roofer.


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