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There's something wrong with this roof...

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I hope these images come out ok and that someone can help out with some advice.

My garage roof-line:

http://www.flickr.com/photos/tapd0g/849 ... hotostream

Neighbours' roof-lines:

http://www.flickr.com/photos/tapd0g/849 ... hotostream

http://www.flickr.com/photos/tapd0g/849 ... hotostream

Am I imagining that the roofs are uneven? Is it normal? The villas are mid-nineties build and on slab. The soil is clay, reactive and we have very poor drainage. A drain has been put in (twice) to aid drainage but hasn't done much.

Edit post to take out [img/] code: 11:44 by Charlotte1
Quote:
Am I imagining that the roofs are uneven? Is it normal? The villas are mid-nineties build and on slab. The soil is clay, reactive and we have very poor drainage. A drain has been put in (twice) to aid drainage but hasn't done much.


No, they are uneven.
Some roofs do sag a bit over time so I guess in a cheaply done roof this would be kinda normal but certainly not one that I would be happy with.
I don't think the reactive clay has any bearing on your roof unless you have massive cracks in the walls showing a lot of movement.
It is more likely as a result of maybe one or two faulty trusses that have sagged or bent.
By the way the img code is what you use to display the photos here as a image not a link to another site which is a PITA.
Go up to share above the photo and click BBcode then copy the code that appears - http.www etc
Paste it here in this thread. I just removed the other line of code and left [img]...[/img]



Stewie
Ah, thanx for that. What are the potential costs of fixing saggy trusses and the ramifications if they're left unfixed? Our body corp already is committed to some pretty big spends in the next few years so any big outlays are not going to be welcome news
Without getting up in your roof and having a look it is hard to say. Could be simply a split in one of top chords of the truss letting that bit of timber sag under the weight of the tiles.
Looking at those skylights though I'm wondering if whoever cut those into the roof also cut through the trusses - a big no-no.
Only a closer look by a carpenter or builder would be able to tell us that though unless you get up there and take a few photos yourself and post them up here for us to comment.

Stewie
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