"Breathable latex paint" likes to fall away in great bubbles and sheets.
Dr. Judith E. Selwyn
Preservation Technology Associates, Inc.
285 Reservoir Road
Chestnut Hill, MA 02467
617 598 2255
fax 617 277 3389
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-----Original Message-----
From: The listserv where the buildings do the talking
[mailto:[log in to unmask]] On Behalf Of Rudy R
Christian
Sent: Friday, April 02, 2010 4:22 PM
To: [log in to unmask]
Subject: [newsletters] Re: [BP] Incredible bubbling paint
Eric,
I will resize the photos and send them. They are 3 1/2 MB@ currently.
My theory at this point is the warm air in the house is migrating through
the walls and the paint is acting like an exterior vapor barrier trapping
moisture. Sound like BS?
Rudy
-----Original Message-----
From: The listserv where the buildings do the talking
[mailto:[log in to unmask]] On Behalf Of Hammarberg,
Eric
Sent: Friday, April 02, 2010 4:12 PM
To: [log in to unmask]
Subject: Re: [BP] Incredible bubbling paint
I yam interested!
I would suggest scraping the paint off the mortar first but am concerned
about so much water behind the brick that it is causing the paint to
bubble.
Eric Hammarberg
Vice President
Thornton Tomasetti
51 Madison Avenue
New York, NY 10010
T 917.661.7800 F 917.661.7801
D 917.661.8160
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www.ThorntonTomasetti.com
-----Original Message-----
From: The listserv where the buildings do the talking
[mailto:[log in to unmask]] On Behalf Of Rudy R
Christian
Sent: Friday, April 02, 2010 3:58 PM
To: [log in to unmask]
Subject: [BP] Incredible bubbling paint
New topic. I'm looking at doing some restoration work on the eave and
rake
trim of a two story mid 1800s two story brick house. The couple
purchased it
in 2005 and the previous owner had done numerous "improvements" before
offing it including painting the brick with what appears to be a heavy
latex
paint; brick red of course. As might be expected the paint is not
adhering
all that well and in particular is bubbling up at the mortar joints. The
mortar is clearly Portland free and the brick is soft and kind of a
tomato
soup color.
My take is that moisture trying to migrate out through the joints is now
trapped behind the paint. My recommendation would be to remove the
paint,
but how to do it without destroying the brick is not something I have
any
experience with. Recommendations?
I do have some photos I can send anyone who is interested back channel.
Rudad
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