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Old 01-09-2011, 10:03 PM   #1
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Broken Concrete Tiles


We have a concrete tile roof (about 14 years old) and some of the tiles have broken in half or into smaller pieces. What is the best adhesive to use to glue them back together?

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Old 01-09-2011, 10:18 PM   #2
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Broken Concrete Tiles


You can't. Well, you can, but the resultant leak will still be there, hidden and the damage will be very severe and expensive to fix.
You'll need a slate ripper to remove the nails, new tiles, copper nails to replace them with, a roofer's bar (RooosterBar) to 'set' the nail, and bibs to cover the nails. You may need a drill, and nail set too.
Hiring a slate roofer will be cheaper and a correct repair will be permanent.

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Old 01-09-2011, 10:24 PM   #3
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Broken Concrete Tiles


These tiles should have a manufactures warranty of fifty years. I would call back the installer or try and find the manufacturer and model number of the tiles if at all possible.
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Old 01-10-2011, 03:49 PM   #4
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Broken Concrete Tiles


Most of the pieces that have come off are on top of another tile beneath them. Wouldn't it be safe to adhere them back together since there's no other roofing material exposed?
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Old 01-10-2011, 03:54 PM   #5
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No it wouldn't. Pictures would be nice though. 640 X 480.
Even a corner broken off creates a place for water intrusion. Neither glue nor cement will fix that.
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Old 01-10-2011, 07:50 PM   #6
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Broken Concrete Tiles


If you try to glue them back together, two things will happen.
The tile will sag in the middle and come apart, and leak.
The glue will stop up the drainage channel on either side of the tile and water will back up under the tile.

A professional roofer can likely find you replacement tiles. It is a simple job of popping the old nails, if nailed, and fitting new tiles.
The hard part is not breaking more tile while you work.
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Old 01-22-2011, 03:22 PM   #7
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Broken Concrete Tiles


Here are a couple pictures of the types of cracks that I'm trying to repair. Based on the responses, I think that I didn't explain what kind of tiles these are very well. They're flat concrete, about an inch thick, and about 8" by 12".

I'd like to see if I can use some kind of adhesive/glue to reattach the pieces that have broken off.
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Broken Concrete Tiles-cracked-tile-3.jpg   Broken Concrete Tiles-cracked-tile-4.jpg  
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Old 01-22-2011, 04:48 PM   #8
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Broken Concrete Tiles


They look like interlocking single lap tiles which have nibs that hook on to tile battens. These are not usually nailed down (round here at least) and are really easy to change. Most of the work is getting up on to the roof.
You could probably glue them, but I think it would be easier to change them. I've never known anyone to glue them.
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Old 01-22-2011, 04:59 PM   #9
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Broken Concrete Tiles


Those tiles are leaking. You need to replace them. If you glue them, plan on tripling the cost of a proper repair. Glued tiles keep leaking, and when you do a repair, the adjacent tiles also break and pull out.
It's your choice. get them fixed reasonably, or just throw in a bunch more repairs. It's only money.

Here's a typical chain of events. Fisrt pic is of one glued together.
Second shows the rotted hole under it. 3rd. shows how involved the replacement got.
It went from $250. to $1,150. for the single leak. This particular roof had several of these. Owner spent over $12,500. by time I was finished.
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Broken Concrete Tiles-bad-slate-work-50-.jpg   Broken Concrete Tiles-bad-slate-work-48-.jpg   Broken Concrete Tiles-bad-slate-work-52-.jpg  
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Old 01-22-2011, 05:44 PM   #10
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Broken Concrete Tiles


Thank you for all of the valuable input - I'll definitely scrap the idea of trying to repair the the tiles.

Can anyone identify what type of tile this is (manufacturer, style, color)? Our house is about 12 years old, so I imagine it's going to be a chore to find some replacement tiles.
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Old 01-22-2011, 06:40 PM   #11
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Do these look a close match?
Hanson make a variety of concrete tiles. Have a look on their site.
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Old 01-23-2011, 10:10 AM   #12
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I would guess Monier.

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