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Old 06-12-2012, 07:55 AM   #1
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Badly damaged veneer


Hello, all,
This is a photo of my porch, which is concrete block with brick veneer. The block underneath is visible from inside the basement and is in perfect condition, so this damage seems to be limited to the veneer. I won't know for sure whether the structure is sound until I get the veneer off but I believe it's in good shape underneath.

The prior owner 'fixed' the cracks by filling them with tubes and tubes of caulk then covering with paint. Of course, he never fixed the water source that was causing the problem, and the water then got trapped inside so the veneer is basically crumbling from the inside out now.

I've corrected the water source and I'm wondering
1) what is the best way to remove the broken veneer?
2) The porch is not really visible to any neighbors, so can I just prime and paint the block or do I need to cover it with vinyl siding or pressure treated panels or something?

Thank you!
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Old 06-12-2012, 09:15 AM   #2
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Badly damaged veneer


A picture from farther back is needed---what is above that wall?

I would think that removing the bad brick would be the starting point---but what is that brick supporting above?

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Old 06-12-2012, 12:39 PM   #3
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Badly damaged veneer


I am a masonry restoration specialist.

You got a doosey there.

I believe you are right that tearing off the veneer and relaying it is the only option. Just start from the top down. There should have been tie backs of some sort installed in that wall since no row lock course is visible. These were probably steel and I am sure are gone. You will have to install new retrofit tie backs, screwed into the block (the mortar joints are the best location). I would use galvanized.

Be sure to install weep holes this time at the bottom to discharge any condensation that builds up inside the wall.
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Old 06-12-2012, 03:44 PM   #4
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Badly damaged veneer


Thank you for your replies! There is nothing on top - just a slab that's around 5 ft. square...a tiny porch off of the kitchen.

I had forgotten about the weep holes...the rest of the house doesn't have them, either, so I occasionally get minor condensation along some of the exterior basement walls. Never puddles and there's not much I can do about it (is there?).

For the porch, can you advise, in general, on how weeping holes are supposed to be done so I have some idea when I call a local mason? I hate being completely clueless when getting estimates lol!
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Old 06-12-2012, 04:58 PM   #5
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Badly damaged veneer


Quote:
Originally Posted by ADaniLion View Post
Thank you for your replies! There is nothing on top - just a slab that's around 5 ft. square...a tiny porch off of the kitchen.

I had forgotten about the weep holes...the rest of the house doesn't have them, either, so I occasionally get minor condensation along some of the exterior basement walls. Never puddles and there's not much I can do about it (is there?).

For the porch, can you advise, in general, on how weeping holes are supposed to be done so I have some idea when I call a local mason? I hate being completely clueless when getting estimates lol!
Veneer walls typically contain a space between the back of the veneer and the structural substrate material. This space allows condensation caused by the cool wall to form at the exterior side, in the air space. As this water gathers, and drains to the bottom of this cavity, it needs a way to discharge.

There are alot of ways to allow this water out. You can simply exclude a head joint every so often from being mortar filled and just leave it open. Some people prefer a cotton wick that sticks out of the wall and penetrates into the cavity space. This is preferred to some as they think that it helps to "soak" up any water and wick it to the exterior. One last option is a product that is made that takes the place of the head joint and is corrugated that allows water to expel.



http://www.nachi.org/forum/f16/brick...83/index4.html



http://img.tfd.com/architecture/f0619-02.png
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Old 06-12-2012, 08:58 PM   #6
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Excellent explanation----
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Old 06-12-2012, 11:00 PM   #7
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Badly damaged veneer


Quote:
Originally Posted by ADaniLion View Post
Hello, all,
This is a photo of my porch, which is concrete block with brick veneer. The block underneath is visible from inside the basement and is in perfect condition, so this damage seems to be limited to the veneer. I won't know for sure whether the structure is sound until I get the veneer off but I believe it's in good shape underneath.

The prior owner 'fixed' the cracks by filling them with tubes and tubes of caulk then covering with paint. Of course, he never fixed the water source that was causing the problem, and the water then got trapped inside so the veneer is basically crumbling from the inside out now.

I've corrected the water source and I'm wondering
1) what is the best way to remove the broken veneer?

Saw cutting and "toothing" the veneer is the best approach IMHO. It takes some time, but it is certainly worth it.


2) The porch is not really visible to any neighbors, so can I just prime and paint the block or do I need to cover it with vinyl siding or pressure treated panels or something?

Thank you!
Simply source a brick that's close in size & texture, and paint the repair to match the existing. Painted brick is a relatively easy repair, all things considered.......
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Old 06-13-2012, 08:52 AM   #8
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Badly damaged veneer


Thank you! Leaving mortar out here and there seems like the easiest way to allow enough air flow and water release. I really, really appreciate your help!!

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