How to Remove Efflorescence on Concrete - Old Damp Wall TREATMENT - Twin Plumbing

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[amalaylay]

Thank you for this! I was freaking out about my garage walls flaking and this helped reassure me my house isn’t on the verge of eroding to dust. Going to try these steps out today.

[samwimpy]

Hey guys, I had commented on a prior video about the 'loudness' of the intro music to your videos...this one is much better!

You produce very informative videos, professionally done...I often watch, you're a great resource!

[marmk]

Exceptional video. Thanks for all steps didnt know about the densifier liquid.

[Mourningdove]

Have you made a video not just explaining the steps but showing the actual process of sand blasting, Surecoat and elastomeric coating?

[BM-rdvq]

You can also add a low viscosity silicone and roll it onto the concrete, after cleaning and acid washing it. It will retain the look of the concrete, it also lasts longer than most Concrete sealers with older concrete that isn’t as pervious

[russmontenero]

Even after the masonry surface is cleaned and treated, the wall cavity will still have moisture within it. Shouldn't we be redirecting the stormwater away from the foundation so as to avoid water intrusion from entering the masonry cavity? This band aid seems dangerous to me. Thoughts?

[zenchenko]

A couple of questions for you
-what's the purpose of the acid/chorine routine? And any recommended product there?
-Are concrete and cement effectively interchangeable in terms of approach to diagnosing, cleaning, prepping, and recoating?
-is the SureCoat elastomeric coating effectively the same thing as drylock?

[robertplas]

Is there a video or you showing the removal of the efflorescence and proper surface preparation after acid wash? And then the densifier application and then the top coating? What about epoxy paint?

[lyndak.]

Would the recommendations work on "boundary walls" or "garden walls" where the neighbor is overwatering and/or their sprinkler is close to the wall and water is seeping through and causing wall erosion over time? Would your tips helps with the wall erosion over time if we do it on our side of the concrete fence? Look forward to hearing from you. Thank you.

[jamescarney]

If one were to do this in a block foundation. Is it safe to do on the inside of the basement. Would stopping the moisture from traveling through to the interior of the basement help the longevity of the block interior surface at risk of the moisture being trapped within the block and exterior of the home? My basement is only 3 feet set underground and the rest is above ground but I want to clean treat and paint my block foundation and finish the basement. I won’t be covering the block with studs or rock

[robinjl]

How about scaping instead of sanding ?

[johnmills-dgzr]

Do you need to seal the inside of a block wall emitting efflorescence or just to side exposing the efflorescence

[mrzif]

ok, I do the inside but what about the outside wall isn't that where the water is located and coming inside the basement? At least a get the water away from the foundation? Like in my case I'll try a french drain to take away the roof gutter water from the house?

[mishakpictures]

Do you need to use a densifier always before painting, say a basement cinder block wall or is etching/cleaning then painting with an elastomeric paint okay. I only have slight efflorecence. Thanks

[karenr]

Hello, thank you for the information, my house has a sever case of efflorescence which has taken over the walls of the master bedroom and a few small spots in other rooms on the house. Would you recommend treating both the internal and external walls or just the internal? The house is in a tropical country and where it is located gets a lot of rain
Again, thanks for your help

[jmpestsolutions]

Im in a home with unfinished basement and this is happening on all walls because its a low water table. Once I descale it what do I need to apply the products u mentioned??

[time.]

When sandblasting is not an option, what would the other option be. Please explain how.

[Hirokiji]

Densifier otherwise known as a penetrating sealer, usually silicone based.

[alishamecene]

How do you stop the acid wash from eroding the paint? I waited for it to dry but it still ate up my layers of paint on top.

[rjoy]

Hello I have this brick in my kitchen by my stove and the brick is shedding to this soft white flaky like powder. I’m guessing it’s efflorescence.. Since it’s located in the kitchen can I apply a sealer? Please help! Thank you so much! I have photos of that will help.