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  #1  
Old 02/07/10, 09:47 AM
 
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Location: northcentral MN
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mobile home snowload

How much snow can a mobile home roof safely carry?

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  #2  
Old 02/07/10, 09:52 AM
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That depends on the construction. The relatively flat metal type won't carry near as much as a gable roof. Standards vary by region, and it is important to know which region the home in question was built for. Since they are mobile homes, it is possible that it was moved from one region to another.

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Old 02/07/10, 09:55 AM
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I don't know but we got 30 or more inches from a snowstorm yesterday and an elderly womans' mobile home roof collapsed in Martinsburg, (WV) The report said it was an older one and I don't know how old or what shape it was in.

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Old 02/07/10, 10:54 AM
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Our local mountains got 4-5 feet of snow at the resort level, about 7,000 feet elevation. In the week following the storm, the roofs of 6 mobile homes collapsed under the weight of the snow. Here is an article about the roof collapses, with pictures of the snowload.

Something to keep in mind is that a foot of light fluffy powdery snow weighs a lot less than a foot of heavy wet sloppy snow. Not all snow is the same. Our snow was light fluffy powdery snow. If it had been wetter, there would have been far more roof collapses.

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  #5  
Old 02/07/10, 01:23 PM
 
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Hopefully they will get some wind to clean some of the snow off the roof. It's mostly fluffy snow fortunately but it's still about 2'.

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  #6  
Old 02/07/10, 01:29 PM
 
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Location: WI
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Mobile homes, like any other building, are designed for the loads that are expected in the area that they are expected to be used. If it is an older mobile home, unless the specifications are on a label somewhere, your guess is as good as anyones. Usually they are designed to minimal standards, and often use minimal materials, too. I would err on the side of caution.

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  #7  
Old 02/07/10, 01:50 PM
deb deb is offline
 
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You may be able to look up this info online if you know the model number and manufacturer.
deb
in wi

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  #8  
Old 02/07/10, 02:15 PM
In Remembrance
 
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Quote:
Originally Posted by WisJim View Post
Mobile homes, like any other building, are designed for the loads that are expected in the area that they are expected to be used.
Couldn't have answered it better. If the unit was made for southern Texas one wouldn't expect that it could withstand much snow load at all. If made for use in Vermont---different story.
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  #9  
Old 02/07/10, 02:19 PM
 
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It's in the PA -MD area.

Good idea Deb.

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  #10  
Old 02/07/10, 02:43 PM
 
Join Date: Jan 2003
Location: Northern Wisconsin
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Mobile homes with "flat" or semi flat roofs are built notoriously cheap. The trusses are built with far less structural capacity than that of a 2 x 4.

It doesn't matter what the snow load capacity happens to be. I mean its not like the thing is still under warranty.


All I could advise is this.....don't take a chance. If there is wet heavy snow, get a snow rake and use it. Period. Keep the roof relatively clean of snow. Its not like the work will kill anyone.

....or take your chances

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  #11  
Old 02/07/10, 03:08 PM
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I noticed the old flat roof mobile on my neighbors property (nobody has lived there for several years) has collapsed a bit with the ice and half foot snow we got.

My opinion unless you live in a desert, flat roofs arent the greatest idea. You save a few bucks on construction, then deal with leaks and snow loads and such for a lot of years afterward.

If I had a flat roof mobile, I would build pole frame around it to support a conventional roof over it. Course if you live in an area without bunch rural building permit crapola, you just as well build a small pole building and live in it, forget the particleboard headaches. Mobile homes are basically just the modern socially acceptable version of the old tar paper shack. Socially acceptable cause some company/bank is making "easy monthly payment" scam money off poor people from them. Somebody puts up their own shack and nobody makes money off it. I've lived in them for brief periods and I'd as soon live in some old out building that at least is made of real solid wood. Particleboard is one of the stupidest ideas ever.

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  #12  
Old 02/07/10, 04:50 PM
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Clean it off! As it melts it can cause leaks witht the freeze thaw cycle. We built a roof over our rental unit and it was one of the best things we did for the old moblie home.

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  #13  
Old 02/08/10, 06:51 AM
 
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I'm 1,100 miles away otherwise I'd have it cleaned off already.

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  #14  
Old 02/08/10, 08:48 AM
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I'm sorry, I thought I had posted this article! http://rimoftheworld.net/columns/team/victims

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  #15  
Old 02/08/10, 12:40 PM
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I just bought one in northern Maine - 40 lb/ft2. I think around PA it's about 20 lb/ft2.

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  #16  
Old 02/08/10, 12:56 PM
 
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Thanks.

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  #17  
Old 02/08/10, 04:50 PM
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Sorry about sounding so abrubt. Mobile homes are a bit of a sore point with me. The ratings don't mean as much as they should with the older ones. Again, sorry .
Is there anyone living in the one you own? If so, will they clean it off? Probably expect the world be given to them if they do.....

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  #18  
Old 02/08/10, 06:57 PM
Brenda Groth
 
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i'm not sure in MN but in Michigan they have to be constructed for snow belt areas..in zone 5 here in michigan and zone 4..they require a much stronger construction than south of here..we are required to have 2x6 walls and at least a 4/12 or 5/12 peak on the roof..flat roofs are not allowed on mfgd homes in our area..those codes are fairly new though so older ones might not survive a huge snow load.

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  #19  
Old 02/09/10, 07:22 AM
 
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Location: SW Michigan
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Having been around MH all my life, I'd like to offer this advice- Buy & use a roof rake !! Even if you can only clean 2' or so in from the edge. The sun will warm the metal and/or shingles up enough to melt the rest of the snow and your 2' cleared area gives it a place to go w/o causing "ice dams". I would not advise any inexperienced person to get on the roof.

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  #20  
Old 02/09/10, 09:07 AM
 
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I found out the roof has a peak and shingles. I suggested a roof rake or a plastic snow shovel to remove some of the snow because another foot is predicted.

I use a rake to remove the bottom 4' of snow from my roof to prevent ice dams from forming.

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