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Leak in porch roof

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Aug 04, 2012, 09:40 AM
weakestlink
Leak in porch roof
Fortunately it's on the back porch, but still shouldn't be happening. I've had several maintenance contractors look at the roof and they report that they don't see anything wrong and are mystified why the roof is leaking when we get an extended or heavy rainfall. I guess if they can't see a problem, they can't fix it, only to try to re-shingle the low sloping roof (see attached photo of the problem area); and even then they can't guarantee that will solve the problem. I wanted to know if getting a can of car undercarriage sealant (similar to the Flex Seal advertised on TV) and spraying it over where the water is coming in would be a good "quick fix"?


Aug 06, 2012, 06:29 AM
Georgia Peach
Totally out of my area of expertise but I have used Flex Seal on a motorhome and it has worked to fix a leak, for now. The porch area on our home leaked around the chimney but only when the rain was coming from a certain direction. When we had the roof replaced about 10 years ago the contractor added flashing to that area and we haven't had any leaks.

This message has been edited. Last edited by: Georgia Peach,
Aug 06, 2012, 08:41 AM
Sparky
Weakest Link,
Is it leaking between the brick and the roof? I don't see an flashing in the picture. Though I suppose the darker red might be flashing instead of just wet bricks.

See this article for proper flashing: http://www.hometips.com/how-it...s/roof-flashing.html

I wouldn't use the spray stuff as it is a temporary fix at best.


General Disclaimer

Any advice given here is general in nature and is not necessarily valid for your given area. If in doubt check with your local codes enforcement department for what is required when doing electrical, plumbing or structural work on your house. Permits may or may not be required in your area and home owners may not be able to DIY some tasks. I have no way of knowing if you have the skills needed to complete the tasks you are asking about, when in doubt seek professional assistance.

My advice may be worth exactly what you pay me for it. :-) For the record I did not stay in a Holiday Inn Express last night.

Aug 07, 2012, 03:05 PM
weakestlink
One of the contractors that looked at the roof said that dark red was flashing and he's never seen flashing like that before. It is "alligatored" now. It's always been there, even when my patents bought the house in 1975, and how long it was there before that - who can say? (see close-up of flashing)


Aug 07, 2012, 05:14 PM
Sparky
Weakest Link,
I'd probably look to do a tear off and complete re-roof installing proper flashing as outlined in the article I linked above.

I would NOT shingle over this mess, I'd tear it off to the bare decking and start over.


General Disclaimer

Any advice given here is general in nature and is not necessarily valid for your given area. If in doubt check with your local codes enforcement department for what is required when doing electrical, plumbing or structural work on your house. Permits may or may not be required in your area and home owners may not be able to DIY some tasks. I have no way of knowing if you have the skills needed to complete the tasks you are asking about, when in doubt seek professional assistance.

My advice may be worth exactly what you pay me for it. :-) For the record I did not stay in a Holiday Inn Express last night.