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mike40
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Efflo! Can be cleaned of of any brick if it is done right. How long has it been there, has made it threw a season, hot to cold, new construction, from precast, under windows, on the brick, heavey or light efflo. chemicals will clean just about all efflo, if you know what you are attacking, and what every you do, do not use pressure. just a rinse, Give some info so I can help.
I called the home owner (church member), no one was home, the home looks like it hasn't been washed for a few years. The effourecence is heavy in some spots, the brick is also dirty and has some mildew. Would a regular house wash mix work? (Sodium Metacilate with 10% Bleach) or do I need to use Acid, if so, what would you recommend and at what ratio.
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Because you will need to pressure wash the house, the chemical for the efflo will not work, in fact make it worse, This is a difficult job to get done right. If you have done these kind before. But it can be done. Take the job in steps, restore the masonry first, then get the efflo.
Oh and by the way there is no regular house wash for masonry. Chemical companys are out there. This is where you go for the right product for the right job. I am not trying to sound mean. but in the masonry field this is not vinyl and alum. masonry is made to last. we treat it this way. Also pricing for masonry restoration is not cheap. $1.00 or more per SQ ft. And it is damaging to windows and metal, skin, This stuff is not to be taken lightly.
Have you tried NMD-80 form ecochem? It is great for bricks and is okay on glass as well. I have been real pleased with the results.
The main thing with effloressence is to use the right chems and not pressure. By using pressure you will just inject water back into the bricks and mortar and as it dries it will cause effloressence all over again. Proper use of acid and a mild rinse work great.
The main thing with effloressence is to use the right chems and not pressure. By using pressure you will just inject water back into the bricks and mortar and as it dries it will cause effloressence all over again. Proper use of acid and a mild rinse work great.
drivewaysonly
New Member
grasshawg said:
I was afraid to ask. [white] Glad you did!
Mark
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Efflorescence
From Wikipedia, the free encyclopedia
Jump to: navigation, search
Effloresce redirects here, for the album by Oceansize, see Effloresce (album).
Efflorescence, in chemistry, is the loss of water of crystallization from a hydrated salt to the atmosphere on exposure to air.
Examples
A 5 micrometre aqueous droplet of NaCl will spontaneously crystallize at 45% relative humidity (298 K) to form a NaCl cube by the mechanism of homogeneous nucleation. The original water is released to the gas phase.
Gypsum (CaSO4.2H2O) is a hydrate solid that, in a sufficiently dry environment, will give up its water to the gas phase and form anhydrite (CaSO4).
Masonry Usage
Efflorescence occurs in masonry construction, particularly brick, when water moving through a wall or other structure brings natural salts to the surface. The resulting white deposits are commonly referred to as "efflorescence" in this instance.
From Wikipedia, the free encyclopedia
Jump to: navigation, search
Effloresce redirects here, for the album by Oceansize, see Effloresce (album).
Efflorescence, in chemistry, is the loss of water of crystallization from a hydrated salt to the atmosphere on exposure to air.
Examples
A 5 micrometre aqueous droplet of NaCl will spontaneously crystallize at 45% relative humidity (298 K) to form a NaCl cube by the mechanism of homogeneous nucleation. The original water is released to the gas phase.
Gypsum (CaSO4.2H2O) is a hydrate solid that, in a sufficiently dry environment, will give up its water to the gas phase and form anhydrite (CaSO4).
Masonry Usage
Efflorescence occurs in masonry construction, particularly brick, when water moving through a wall or other structure brings natural salts to the surface. The resulting white deposits are commonly referred to as "efflorescence" in this instance.