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Old 12-13-2012, 09:03 AM   #16
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need another chimney repair referral


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Originally Posted by Windows on Wash View Post
We to use the Siloxane PD in many of these applications. Good stuff.
Yup....The PD is the pre-diluted solution of the WB concentrate

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Old 12-13-2012, 10:52 AM   #17
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need another chimney repair referral


Hi. I in no way want to appear to be unappreciative of the resources made available to me. I am going back right now to reply to other posts to begin to get other opinions. I can only say that I am completely overwhelmed by the issues I am now facing and am often trying to put resources together on those other issues.
I can only thank everyone for all advice given. I certainly wish I would have found this site before I had taken earlier actions.
As mentioned, I am also trying to deal with plumbing issues which may or may not be as problematic as the chimney/fireplace, but may in fact turn out to also be hugely expensive.
Thanks again. KB
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Old 12-13-2012, 11:00 AM   #18
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Hi.
I would be happy to have you come take a look. Oddly, I haven't heard from the fellow who came to the house day before yesterday. Today is a lovely, sunny day quite appropriate for sending the hose up on the roof to spray down the chimney and I would have thought he would have called me to do this today.

I would be quite happy if you could come by to look at the chimney/fireplace and give advice. Right now I am not working (am self-employed) and am flexible.

What I need you to do is let me know the cost (being a very small business person) for your time and effort. In saying this, I only want to let you know that I don't expect this valuable information for nothing. I sincerely appreciate the value of time, especially since you don't know me.

Let me know when you could come out and I will be here with check in hand.
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Old 12-13-2012, 12:08 PM   #19
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Hi There.

I believe that Kathy has a field stone chimney, not brick. It is common knowledge that brick, block, and mortar take on water. That is why a properly designed brick veneer wall is water managed, not water proof. The last thing that you want to do in most cases is to put a water resistant sealer on brick masonry. Here is why:

Wind blown rain is driven at the brick veneer under pressure. In a water managed system, the water wicks through the brick and minute voids in the mortar to the back of the brick. It then runs down the back of the brick, hits a through wall flashing, and weeps out.

Once the rain stops and the sun comes out the wall dries out through evaporation. If there is a thin clear coating on the wall, it prohibits evaporation, and water condenses right behind the coating. If freezing conditions occur, the face of the brick will blow out at about a 1/4 inch deep.

This is why I said in my last post that clear coating is the last thing to consider.

I have not seen her chimney, but we know that it is field stone, and we know it is very wide. 10 feet wide. She also said that it has leaked ever since she can remember. It is very possible that the chimney has no cricket or chimney back behind it, That it does not have a proper counter-flashing set in the mortar joints between stones, or the base flashing was not done correctly.

I honestly have not seen any residential roofing contractor properly flash a masonry chimney in a long time, except on the roofs that I designed. Most of them actually cut a piece of metal in stair step fashion to match the mortar joints, attach it with cut, or case hardened nails or rarely, Zamac hit anchors, then they caulk the top with sealant. This is wrong.

More info is needed. Hopefully I can get it before somebody with a roller, brush, spray gun, or caulking gun messes up her chimney.
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Old 12-13-2012, 12:23 PM   #20
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The last thing that you want to do in most cases is to put a water resistant sealer on brick masonry...... If there is a thin clear coating on the wall, it prohibits evaporation, and water condenses right behind the coating.

I agree. Do not seal the brick. Water repellent vs. Brick sealer is a big big huge difference. The Prosoco product will not impair the natural breathing characteristics of treated surfaces.
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Old 12-13-2012, 02:38 PM   #21
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Hi Kathy, Please try email again if you want, I did not get it

For all others please see attached, and pay particular attention to highlighted and serious attention to HL and UL section.

I recommend you read the entire tech note but I cant upload it, too big
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File Type: pdf Extracted Pages from TN6AMU.pdf (98.5 KB, 29 views)

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