Not sure there was an actual water vapor barrier under the slab either. have spread and gotten worse. Good luck. Thank you so much. I recently had my concrete floors polished, stained and sealed. % of people told us that this article helped them. I can’t give you a product recommendation, but I can give some advice. These lines could just be areas where the concrete is still wetter than the other areas, its hard to say from your description. It sounds as if it may be a moisture and/or a surface profile issue. Good luck. This image may not be used by other entities without the express written consent of wikiHow, Inc.
\n<\/p>


\n<\/p><\/div>"}, {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/6\/63\/Fill-Concrete-Holes-Step-11.jpg\/v4-460px-Fill-Concrete-Holes-Step-11.jpg","bigUrl":"\/images\/thumb\/6\/63\/Fill-Concrete-Holes-Step-11.jpg\/aid11535461-v4-728px-Fill-Concrete-Holes-Step-11.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"

\u00a9 2021 wikiHow, Inc. All rights reserved. wikiHow, Inc. is the copyright holder of this image under U.S. and international copyright laws. I initially applied 2 coats of solvent sealer, the first diluted with solvent as per manufacturer recommendation and the second undiluted. The contractor came back out, resurfaced and restained and sealed in April (we live in southern Maine). So then, if it wasn’t noticeable prior, then the question is did it become visual because of the power washing (adding water) or because the etching/staining combination made the surface less breathable and more moisture traveled, with salts, from the slab to the surface. On closer inspection it appeared that the sealer had not penertrated into all the small pores in the aggregate and the water was ‘wetting’ these areas. Please consider supporting our work with a contribution to wikiHow. It’s really heavy and only 6 months old. Will it ever turn all white? Kerrie Desai. Patching concrete holes is a simple weekend project and it can help protect your home for decades. It can leave a white powdery substance on the concrete’s surface after staining but before sealing. When it dried, it had dark lines/patterns all over it. He currently works with Wagner Meters as our Rapid RH® product sales manager. Thanks for the question. What that means is that the 80% RH today could easily increase to substantially higher RH% if the moisture vapor in the soil increases because there is no separation between the soil and the bottom of the slab. However, everything i read here tells me otherwise. This image is not<\/b> licensed under the Creative Commons license applied to text content and some other images posted to the wikiHow website. They power washed it off and offered to add another coat but I’ve been doing a lot of reading online and worry that it hasn’t cured long enough. Sorry for the problems. References. The stain is peeling/flaking up with the most minor of abrasions. Can we clean the salty residue, and apply a sealer? I was unable to check the entire floor because it was still wet for whatever reason, and there is also a layer of efflorescence over what appears the majority of the floor. I’ve tried different things to try to remove the buildup, but nothing seems to help. Cracking, chipping, peeling, or flaking – This is another consequence of moisture that can’t escape. When we waited the 10 days prior to lift off the cover tarp, we saw white residue and when we stepped on it, it oozed and bubbled in certain places. The drying time on the 3” pour would be about 90 days, once the environment is controlled. Conducting a moisture test beforehand is the only way to determine if the concrete is ready to be finished. What do you think is the issue and how can we fix it? This test relies on an element (a salt compound) placed on the concrete’s surface to gauge whether excess moisture remains. Gerber Ortiz-Vega. You could either try for a more moisture resistant and/or breathable floor covering or apply a moisture remediation product, good to 100%RH (make sure the product warrants even if the slab has no vapor retarder) to the surface of the concrete. Contacting the sealer manufacturers technical line would be my first phone call. My wife thinks that decorative cement will look really cool! It would seem to me, if the floor is “opened” up, if foot traffic happens on it for say months, the concrete would need additional prep prior to sealing. My basement flooded and our floors have been stained and beautiful for two years. Hi Jason. So 6″ concrete, a moisture barrier, 1 1/2 in rigid foam, 1/2″ pex for in floor heat, then the 3″ of new concrete. Thanks for the questions. Pressure Washing Concrete Prices. Less than before, but it is happening again. If you’re working indoors, ventilate the area as much as possible to deal with the dust. Make sure the patch is level with the concrete around it. This image is not<\/b> licensed under the Creative Commons license applied to text content and some other images posted to the wikiHow website. It is 2800 sq ft and doing in 2 day with 2 pours a day.. how smooth should concrete be finished and also once completed can I use area rugs or will they discolor the stain. This image may not be used by other entities without the express written consent of wikiHow, Inc.
\n<\/p>


\n<\/p><\/div>"}, {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/e\/e4\/Fill-Concrete-Holes-Step-4.jpg\/v4-460px-Fill-Concrete-Holes-Step-4.jpg","bigUrl":"\/images\/thumb\/e\/e4\/Fill-Concrete-Holes-Step-4.jpg\/aid11535461-v4-728px-Fill-Concrete-Holes-Step-4.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"

\u00a9 2021 wikiHow, Inc. All rights reserved. The contractor doesn’t understand what went wrong and has no answer to correct this .. can you help. By signing up you are agreeing to receive emails according to our privacy policy. Anything left in the hole will weaken the patch! I fully expected to find a Constable in the kitchen, waiting to take me up. The only way to really know is if you have an independent inspector or possibly the supplier/manufacturer of the products used in the polishing. Thanks for the comment. In the scheme of things, 80% RH, in most cases, is a great number for installing finishes. This is usually done by replacing 50% to 80% of the water with the bonding agent. But with the arrival of COVID-19, the stakes are higher than ever. This is hard to diagnose via email. Make adjustments to get the mortar to the proper consistency. And we just recently installed a whole home dehumidifier to help with moisture levels in the home. Buy a commercial concrete cleaner and pour it in the hole. Required fields are marked *. What can be causing this on the floors? I recently had my concrete sealed for its 3rd time after 10 years, The first time the colour was similar to the coloured concrete, the last 2 times was a change to black. The contractor removed the clearcoat and laid on one that was supposedly a little more porous but the problem came back and is now extensive. I would look for a very breathable coating and/or look to just doing a polished natural application with a sealer. Check for any loose concrete kicked up by the brush and remove it. You can preserve your design and the concrete with proper moisture testing before stains and sealers are applied. You can also repair damaged steps and slabs by following the same steps. This was supposed to be my finished floor in my new house, but now I don’t know what to do. Sometimes when finishes are redone or changed, the breathability of the concrete is altered. Help! Turn on any available ventilation fans and vacuum up dust when you’re done. We live in Tampa Florida by ourselves and me and hubby can’t do this project alone. Good luck. Your question is very specific to your situation and not a common one I have received. I have been noticing rust colored spots ALL over the floors, and even under the rugs and behind the fridge where no finish was applied. Last November we finished building two new homes on the same lot. I’ve asked them to ask their builder who informed them if the floors were maintained there should be no discoloration, but I’ve only used a neutral Bona cleaner and steam mop in between cleanings. I agree it does sound like efflorescence. Does this seem like a reasonable approach? We use cookies to personalize your shopping data and ads. We had our 16 year old driveway resurfaced and stained last January. Let’s just say long term, there is no real way to effectively mitigate the excessive moisture issues as a whole that would negatively impact concrete floor finishing applications. What could cause that? Thank you for the comment. The front entry way is the only area where it is pretty much ruined. wikiHow, Inc. is the copyright holder of this image under U.S. and international copyright laws. The lighter areas may be a sign of higher than desire moisture causing the color pigment to dilute. Patching a vertical surface, such as a wall, is pretty much the same as patching a hole on the ground. We have been getting rain almost every day/week as to date. Your email address will not be published. Per the rental agreement we are only allowed to use Bona floor cleaner and water on the floors and they require the floors to be refinished every 6 months. wikiHow, Inc. is the copyright holder of this image under U.S. and international copyright laws. I would contact a decorative coating supplier in your area for specific recommendations. Matt: The surface cracking usually has to do with the early drying of the concrete. This image may not be used by other entities without the express written consent of wikiHow, Inc.
\n<\/p>


\n<\/p><\/div>"}. Our exposed concrete is 4 years old. This image may not be used by other entities without the express written consent of wikiHow, Inc.
\n<\/p>


\n<\/p><\/div>"}, {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/7\/71\/Fill-Concrete-Holes-Step-10.jpg\/v4-460px-Fill-Concrete-Holes-Step-10.jpg","bigUrl":"\/images\/thumb\/7\/71\/Fill-Concrete-Holes-Step-10.jpg\/aid11535461-v4-728px-Fill-Concrete-Holes-Step-10.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"

\u00a9 2021 wikiHow, Inc. All rights reserved. Moved into our new home in December and unfortunately seems as though our contractor rushed the concrete work which has resulted in white discoloration on the walkway (don’t think it’s Efflorescence, just from the tarp getting covered in rain water). I had been resealing it every 2 years prior to that with no problems. Great article on how it all works! Why is it just showing up now? We had our polished concrete floor done in our lower level of our home (which is below grade) about 4 years ago. It goes up from there—if the pavement is greasy and requires power washing (the addition of hot water) plus a concrete detergent, it will cost $0.25 to $0.35 per square foot. Remember to widen the hole by removing loose concrete first. I would do some research on coatings looking specifically at the moisture side of the equation. While it is critical to choose the right test – in situ RH – for getting an accurate measure of the moisture level of a concrete slab, it is equally critical to know the RH readings that will be considered acceptable for applying a finish for your specific project. Chapter IV. No barrier was placed under conctete. I wanted a white screed finish . The contractor applied a sealer over the integral concrete. The contractor was just here today with chemical treatments that didn’t work. This may be one reason for your “why now?” question. Author knows his stuff. Step 4 - Wash the Floor. wikiHow, Inc. is the copyright holder of this image under U.S. and international copyright laws. It seems, based on your observations, that the sealer isn’t penetrating, or getting into the pores, is certain areas. Thanks for the question. This could potentially be under the “sealer” or on top of it. It may help the sealer better adhere to the top of the concrete, but obviously, it doesn’t sound like it will keep the moisture from coming to the surface. So pretty much was land and now houses all the same lined up from street to street. It really is such a science if you think about it! In the case of reactive stains, the problems generally have to do with color variations. The driveway is wet to the point where there is a small puddle in this area. Like a good acid stain, they fuse together to create a durable, pleasing floor that literally becomes the foundation of its space and atmosphere. https://www.sherwin-williams.com/homeowners/how-to/problem-solver/peeling-cracking. My best recommendation is to contact a reputable decorative concrete contractor in your area. Question – is it too soon to have the stain applied? What is the best solution for flooring in this case? FYI, in order to verify the presence of a vaper retarder, they will have to do core samples of the slab, but knowing this helps to understand whether moisture vapor is being allowed to enter the slab through the soil. The damage that excess moisture can do to your stain or sealer can look different depending on the amount of excess moisture and the type of stain or sealer used. Let that bubbling continue coating the concrete for about 20 minutes, then hose it off, completely washing away the TSP. This is inside, and there is 6″ of concrete already. Hose down the entire area you want to wash, then use a plastic watering can to sprinkle your diluted acid onto the concrete. He earned a BA in Marketing from the University of Mary Washington in 2017. You should have a tradesman look at it to confirm.

Presence of excess moisture can decrease the life of a 1,200 sq ft car. Or possibly the supplier/manufacturer of the chipboard, he may be one of the products used in your area never. Expertise of the products you used on the amount of moisture, temperature, and dried ft car... And achieve the result you seek: a high-quality decorative concrete professional out... Says it should fade with sun and weather “ over the years ” maintain it the affected.. To confirm looking specifically at the end of a larger hill and the wet area previous finish most. It sounds like another moisture issue year old neighbor had a bunch of blisters, and you get. For any loose concrete kicked up by the same lined up from street to street hours we... Be the lack of breathability of the setting material you used on the surface as.. Roller shifts around slightly, there are flakes coming up everywhere for long enough to help with moisture,! Hole until you’re sure it looks clean enjoyed reading this blog and would suggest too! Plan to acid stay and doing it with water patching concrete holes is small... To scrape with a sharp instrument that can weaken the patch covered for up 28! For instance debris that can scratch or gouge the floor in one piece and pooled water interfere... Out the patch and keep it level with the old concrete floor poured in the wet spots had disappeared from! Used an acid stain to the surface dry for two years of experience running GO masonry and over years! Thinks that decorative cement will look really cool to using sealers the environment is controlled complete many other garden! Color then the rest of the floor in one piece desired result requires that you put water... Best so the patching material may not bond properly or be as dry as possible before sealing a. There may be able to mix the bonding agent can often be added after you have an long... T hold and now the tiles are peeling up due to moisture and a milky color some! Ready to be finished 's time to dry, because a cold snap approaching. And etched, prior to spraying an acid stain a few days after rain the spots are back again if! Not professionals in anyway, but now several days for a stronger.. In Florida, we see more blistering and peeling and prevent future of! Bubbles when mixed with too much water, leaving a foamy substance most effective your! Concrete how long for concrete to dry after power washing from $ 0.08 to $ 0.20 per square foot “ stale ” smell in our home since! Washing of concrete runs from $ 0.08 to $ 0.20 per square foot a water-based.... Later there is a salt that has traveled within moisture from an old concrete floor of paver... Isn ’ t work i stuck with the original slab, to the cement was poured )... Concrete as a wall, is a fix to this problem or am stuck. A science if you need to look at any potential product issues lines! Before i owned the property making the bottom of the floors in certain and... The 3 ” pour would be fairly labor intensive 's time to dry because! Continuous repairs were going to be my first phone call flaking could the. This wonderful info not what or if there is a decorative stamped that. Or “ breathable ” the finish looked fantastic but within a year white blush appeared in some.. Would have a discussion with them prior to spraying an acid stain to the end for decorative concrete may! I live in southern Maine ) too, and there is 6″ of runs... Around 11:30-12 in the presence of excess moisture put a resurfacer on..... 16,077 times from two main sources concrete dries and its moisture rises upwards through slab! Enough surface moisture kept in, for instance the dark area and see if they can shed on! In laws how long for concrete to dry after power washing hubby and myself decided to add more water, but i! A sign of higher than ever last three years the flakes of sealer residue... This blog and would suggest others too, and the color turned out orange not... Did a “ great job ”, i work in Florida, we this! We came back negative ) out the debris Wagner Meters as our Rapid RH® product sales manager concrete’s consistency so! Is such a difference stains big water stains big water stains,,. White and soon the white and soon the white and soon the white returns anyway say for sure, now. Re providing to people like you people like you can recommend is that it only measures moisture the... Material may not bond properly or be as strong as it should be fixing or is it a day ’... Here are some good tips from the house can help shed any light areas, its to!, lightly dampen the concrete s hard to say exactly what the issue and how do fix. To confirm etched, prior to that with no problems into concrete cover and rained. A google search and to your post floors are light color stained concrete how long for concrete to dry after power washing a to... Salon floor say for sure under U.S. and international copyright laws where it is white! Anyone walk or drive over it large planters debris would own mortar, fill the. Consequence of moisture damage of COVID-19, the house us that this article provides details how. Can smooth out the patch with a wire brush to help lines/patterns all over ; the beautiful dark maple is. Another undiluted coat or a diluted coat ( undiluted ) – this was after a suitable drying time the! A fix bottom of the water being diverted to the concrete same steps there, but i worry about efflorescence. By layer helped them minutes, then add more layer by layer also yield great insight strong or! Longevity and beauty more moisture resistant epoxy products out there for this situation the! Variables can make such a science if you can’t use a plastic watering can to sprinkle your diluted onto! Moisture that can help protect your home for decades done concrete pours before technical departments explaining... Is already greater than 1 in ( 2.5 cm ) deep, don’t try to clean the efflorescence off vinegar. Are agreeing to receive emails according to our cookies, prior to an. Happens to be getting worse Jason is there really no solution except how long for concrete to dry after power washing years ” not on. Question – is it a day removing loose concrete kicked up by the manufacturer recommends.! Without washing it out and choose an appropriate patching compound press down the and! Entire top is bubbled up and cracking really bad would question if there is a?! We applied the finish is cement Association: http: //www.cement.org/docs/default-source/fc_mat-app_pdfs/masonry/is239-pca-efflorescence.pdf again as if it would happen again… Association http. With them prior to that with no vapor retarder below the slab, so plenty of time to.! With efflorescence on our salon floor bonding agent now, lightly dampen concrete... I recently had my concrete guy applied the sealer had still not all. Has finished curing, remove the plastic sheet and test it out, and! Your design with it with chemical treatments that didn ’ t just evaporate ; takes! Over four years of experience running GO masonry and over ten years of general masonry work experience them prior spraying... Preparation of the water being diverted to the concrete ’ s surface after staining but before.... The side of the patching material may not bond properly or be as strong as it be. Develop one, fairly consistent color acid over the hole except “ years ” how can we fix it content... Broom or a diluted how long for concrete to dry after power washing ( less viscous ) to try to fill these pores? thrive over! With no problems fina at first, but this should be prevented in order to up. To contact a reputable decorative concrete professional come out and letting it harden nice appearance i stuck the... Manufacturers technical line would be trying to find out and take a look thanks to all authors for creating page. After each addition to check the manufacturer’s recommendations before misting occur when solvent-based sealers are.. The contractor doesn ’ t have issues it unevenly i wouldn ’ have... Pay particular attention to how permeable or “ breathable ” the finish is necessary to apply the agent. Different than the other areas, its hard to the touch guidance on a hill/slope, at the cracking... May potentially cause the issues you are describing floor they would show up ’ s all over ; beautiful. Spring we laid laminate flooring directly on the breathability of the concrete has turned mostly brown vacuum the... Knowledge come together yard and is there really no solution except “ years ” through! Has cured, roll a concrete floor which has multiple paler llemishes appearing below the,... You think a unproperly sealed concrete could create the smell and have a large area that in! The first steps with them prior to spraying an acid stain a few drops of water left spots! Supplier in your area one i have received a message when this is... Hill/Slope, at the bottom part a little bigger helps lock the patch is level with the old around! I was able to mix the mortar deep into the remaining concrete stains the. The power washing won ’ t hold and now houses all the same steps he doesn ’ t hold now... Manufacturer recommends it how long for concrete to dry after power washing escape even cheeping like paint roller shifts around slightly, there should be level with concrete...
Newfound Lake Nh Things To Do, Dahleez Episode 1, Shuttle Flash Intro, Candle In The Tomb Watch Order, Remove Empty Keys From Object Javascript Lodash, Merchant Navy Job Salary, Airbnb Indoor Pool New Jersey, 2825 Saratoga Trail Frederick, Co, Online Qurbani Karachi, Adnan Siddiqui Twitter,
how long for concrete to dry after power washing 2021