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Posted by trainfan1 on April 20, 2007, 7:38 am
businessman@nomail.com wrote:
> On Thu, 19 Apr 2007 23:18:14 -0400, trainfan1
>
>> Tater wrote:
>>> my roof needs to be replaced and I am having a saleman come to give me
>>> a quote to replace the steel roof with an aluminum one. interlock
>>> roofing is the company in case someone has some thing specific.
>>>
>> Sorry, no horrors.
>>
>> Steel: Usually warranted 25 years will last 50.
>> Aluminum: Usually warranted 50 years will last 100.
>>
>> My aluminum roof is 51 years old now. It take about 1-2 hrs.
>> maintenance every 4-5 years.
>>
>> Rob
>
> Your experience is different from mine.
> When I bought my farm, my 50+ year old barn had a corrigated
> galvanized steel roof. The steel was original. Aside from some rust
> and a few popped nails, the roof was still good. A little re-nailing
> and a cost of aluminum paint, and some silicone around the loose nails
> made it good for another 20 years or more.
>
> My garage roof was built almost exactly the same. The differnce was
> they used corrigated aluminum. The farm was vacant for quite a few
> years. This aluminum garage roof about 25 years old. The sheets were
> torn, some actually had half a sheet ripped off the roof, many nails
> pulled right thru the sheets. Hail dents were obvious, and because of
> the poor roofing, the entire rear of the roof structure was rotten and
> there was significant damage to the walls in the rear.
>
> I nearly had to rebuild the entire garage because of that poor quality
> alum roofing. In fact I probably would have been better ripping it
> down and starting over, but money was tight, so I reused what I could.
> I still have one section of that aluminum roofing and several times a
> year I have to go up there and caulk a leak. The other 2/3 of the
> roof is new steel and never leaks. By the end of this year, all that
> aluminum will be gone. It was junk from the start and I heard from an
> old neighbor that the stuff was sold for about 5 years and there were
> so many complaints they quit making it.
>
> You know how easily an aluminum can rips. Same as this roof.
> Now try to rip a tin can.... You get the picture !!!
>
> I'd do lots of research before buying aluminum roofing....
>
Now that's a horror story.
Installation method is key.
You want to use all aluminum hardware on or near aluminum. 5/12 pitch
is almost too shallow if you are going cheap. I can't see any hail
damage if there is any as I have textured panels.
With steel, you want a "clean room" installation. I have a steel roof
on another house, because of the cost difference, but I hired pros. NO
scratches whatsoever - not a grain of sand on a shoe or foot that
traverses the roof.
Acid rain will shorten the life of either type.
Rob
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