Flat Roof leaking bad


  #1  
Old 07-31-21, 02:20 AM
B
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Flat Roof leaking bad

I have an extension basically another room that was added on to my moble home and it has a flat roof. Its pouring water inside when it rains so I went up on the roof and its ponding water right in the middle. The plywood is rotten so I need to replace the whole roof. My question is can I replace the whole roof with just new plywood? I have that black tar paper and shingles but i dont really know the process and dont have alot of money to fix it. It has that paper and then some thick rubber over it. No shingles.
Anyones advice would be awesome Thank you
 
  #2  
Old 07-31-21, 02:46 AM
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Welcome to the forums Brad!

Is it a torch down roof? or is it rolled roofing? can you provide a pic of the roof?
Is the leak where the ponding is or is it where the addition connects to the mobile home?
I'd try to figure out how to rebuild the roof in a manner that will allow you to have a slight pitch which whould prevent ponding.
 
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Old 07-31-21, 03:57 AM
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You can not use singles on a flat roof. Rubber membrane, torch down or hot moped tar are commonly used on flat roofs. The first step though is to inspect your structure for damage. If the sheeting is badly rotten it's possible the framing has some damage as well.
 
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Old 08-29-21, 02:23 PM
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24s rotten

I think I need to replace the whole roof on it. The 24's have gotten so wet that the roof is now sinking down and has now made the sheetrock fall down and the whole ceiling in the room is falling down. The roof on the mobile home it self is pitched with shingles then goes to flat on the added on room. I'm going to have to rip out the whole ceiling and replace all the 24 's and put new plywood down to do it right. I can use a tarp to cover it for now but will it keep the rain from running down under the tarp? Can I just roll some 22s up in the tarp and nail em to the roof?
 
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Old 08-30-21, 02:43 AM
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You'd need some sort of flashing under the MH's roof and over the tarp to keep the water out.
 
 

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