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Old 03-26-2012, 12:46 AM   #1
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Unduro roofing


Anybody have any DIY experience with this roofing material?
Building a new small home and am considering using it.
Is it as DIY as the ads say? Does it last? Can you get a good paint job on it?

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Old 03-26-2012, 05:51 AM   #2
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Unduro roofing


I've seen it used on a house once. It's a nightmare to flash. I'd look for something else.

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Old 03-26-2012, 11:19 AM   #3
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Unduro roofing


Gotta agree with CU. I've done one years ago and there are far better and easier systems out there.
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Old 03-26-2012, 10:47 PM   #4
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Unduro roofing


My roof will have a 4 in 12 pitch and no flashing, no pipes thru it.
2 sheets will cover ridge to eave.
What were the problems you had besides flashing?
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Old 03-26-2012, 11:12 PM   #5
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Unduro roofing


Flashings are more than half a roofing job. Doesn't need any more wrong to make it a PIA product. Been so long I can't remember many details other than I don't care to do another...and metal is my bread and butter.

It's also exposed fasteners and I don't care at all for any exposed fastener on an occupied structure.
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Old 03-27-2012, 12:06 AM   #6
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Unduro roofing


Unduro is asphalt like shingles.
It does have exposed fasteners with washers.
I doesn't require underlay only purlins. Code inspector approved it. It has a great warranty.
I don't want problems but am on a limited budget and they are light weight.
They are used by the gov and businesses.
I was hoping to find someone that has had this on their roof too.
Thanks for the input.
Any others out there with any knowledge?
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Old 03-27-2012, 12:42 AM   #7
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Unduro roofing


We are talking about Ondura here correct? Looks like corrugated metal? If so, sorry but the one I did is about 90 miles up north so haven't seen it since installed so can't say anything about how it is now.
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Old 03-27-2012, 06:50 AM   #8
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Unduro roofing


Quote:
Originally Posted by cer2012 View Post
Unduro is asphalt like shingles.
It's recycled material of unknown quality.

I doesn't require underlay only purlins. Code inspector approved it. It has a great warranty.
Neither does metal.
I don't want problems but am on a limited budget and they are light weight.
So is metal. How limited. Can you afford the potential leaks and failure after 7-10 years. Redoing the roof and sheet rock?
They are used by the gov and businesses.
Businesses, maybe, gov, I doubt. Gov doesn't like re-doing the roof every 7-10 years.
I was hoping to find someone that has had this on their roof too.
Thanks for the input.
Any others out there with any knowledge?
I can't find my pix of one I inspected over purloins. Sorry.
Just don't walk on it, even on the purloins. The stuff cracks. Your eave and rake details will leave lots to be desired. It's not forgiving like metal and cannot be shaped there either. As for experience, I've turned down every oppertunity I've been offered to apply it.
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Old 03-27-2012, 11:12 AM   #9
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Unduro roofing


Can't find anything about it being recycled material. Manufactures these days "tout" the fact they recycle and keep stuff out of landfields.
They are not to be walked on because, like shingles they get soft in the sun and they have the wavy pattern and 1X4 purlins would not hold your weight. Hot shingle tabs can tear if walked on improperly.
Shingles leak too and a roof leak is the hardest to find.
I have a budget of 18k to build my house. Free family labor except for roof. House is still in planning stage and will end up 900-1100sf. I'm retired and need to make this happen.
7 yr from now the inheritants can put a new roof on. I'm 60yr old. Price diff is great between Unduro and shingles.
What about steel roofing over tar paper and OSB decking?
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Old 03-27-2012, 03:10 PM   #10
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Unduro roofing


Why not put the steel over purloins? The felt keeps things dry until the steel goes on. After that, it's full of holes and doesn't keep water out.

http://www.albertsroofing.com/Tin%20...to_gallery.htm
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Old 03-27-2012, 04:20 PM   #11
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Unduro roofing


Steel can go direct to deck as long as it has a slip layer and your venting is right.

If the venting isn't right and the roof has a bunch of moisture under it, it will sweat and cause issues.

Steel would be the way to go in my book.
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Old 03-27-2012, 06:05 PM   #12
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+2

Ondura must be dirt cheap if it's cheaper than shingles
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Old 03-28-2012, 12:49 AM   #13
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+2

Ondura must be dirt cheap if it's cheaper than shingles

Mine is a completely new roof. Add the cost of decking and nails, 30# felt and buttons, and shingles and nails, and drip edge and nails, and ridge vent and nails etc and labor of $100 a square verses 1X4 treated and nails, foam end sealer strips and nails, and the weight is low so I could do it myself...yea dirt cheap!
BTW Tar paper would sag between the purlins and the make-up of tar paper SUPPOSEDLY helps seal the nails and acts as a help to prevent moisture from below and a leak from above.
Moisture will ruin a roof deck.
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Old 03-28-2012, 07:56 AM   #14
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Unduro roofing


I have seen in on a house, looks like crap. Might be fine for a barn or shed, on a house- NO WAY!
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Old 03-28-2012, 12:29 PM   #15
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Unduro roofing


It might be OK for what you want. I looked at a couple of roofs in my area when I was looking for a lightweight solution for our cottage. One shed roof had been penetrated by a small tree branch and was leaking. It seemed flimsy to me, so I went with metal. Do a Google Search on Ondura and Onduline roofing and you will be abel to see a lot of the issues people have had. I wouldn't use it myself.

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