Your email address will not be published. This promotes evaporation. How long do you think it is going to take for floors to dry enough to install engineered wood floors? The flat below had a leak in their ceiling a few years ago which apparently was the pipework between the 2 flats i e above their flat and below my mother’s. Its sounds like you are doing quite a bit. Background: We installed a full concrete basement in April as part of a major renovation/rebuild. My mother also had a leaking shower for some time. If salt is used it would need to be completely rinsed off and allowed to dry before applying the epoxy. Engineer came out and told us to fill it in. One thing you never state is how high the moisture levels are within the slab. On top of this, we are trying to install a terrazzo tile floor. The Tortoise and the Hare: When Concrete Moisture Conditions Impact Flooring, Best Conditions for Faster Drying Concrete Times. Condensation can be a major problem when storing several kinds of dry solids: moisture damages the material, causes clot formation, and facilitates fungal and bacterial growth. I hope this helps. Humid air is moved across a desiccant material that binds and holds the moisture. For M.I.P. . which should I use? When air circulation is improved, the temperature of the air is equalized, meaning there’s less warm air to deposit moisture on cold cement … Then we tried them on top of the slab for at least another 7-10 days, and nothing changed. Currently using a crowbar, but it is pulling up cement too... Is that bad or a better way to be doing it? I have a slab that won’t dry. Do you have recommendations for moisture barrier? Good luck. There are three methods below, however note you may use only one of them or any combination you like. He would like MC to be /b/ 3-3.5 on a concrete moisture encounter meter (0-6 on scale). I dryer using a torch and still shows moisture in the slab. I would be curious though why the vinyl/adhesive limits are so low. 2526 Patterson Rd #100 We installed a WarmUp floor heating system in a very small amount of self-leveling concrete(1/4″ thick). Get a dehumidifier. Now, we want to drill 2 16″ holes in our slab to see what is causing these two spots to remain. As far as drying, the heat and air movement probably is a good thing. This will allow any moisture that does make its way past barriers to have an escape route. Learn how your comment data is processed. A hot air stream is then used to release the moisture from the desiccant and vent it away from the slab’s environment. Another reason you may want to use one of the below moisture removal methods is to speed up drying time after pressure washing. Call Wagner today at (541) 291-5123 or order your Rapid RH® moisture measurement system online. Accurate relative humidity (RH) testing lets you accurately track the movement of moisture out of the slab. Meeting concrete and flooring specifications can seem to be a luxury that is not always available to the contractor on a tight schedule. It is a 1400 foot basement with a fairly thick slab and walls, with basically no place for the water to go but to evaporate into the space. The major trading house plans to stop doing business with Taiheiyo Cement Corp and Denki Kagaku Kogyo KK in such areas as … We were told to let air in, cool outside air and ac. Install the Cement Board. Two weeks post pour our concrete moisture reading is 19. Contact the flooring manufacturer and see if they have any recommendations. I typically see 80%+? The basic concept is simple: reduce the dew point of the air surrounding the slab so that more of the latent moisture within the slab can evaporate out through the slab surface. Unfortunately, 19 doesnât mean anything to me in relationship to industry accepted measuring standards for concrete and flooring materials. You can contact us directly by phone or fill out the form on our contractors page and we’ll contact you. Anyway, the only additional thing I could recommend would be a high level of air movement across the slab although that may be difficult with tenting. Underneath this layer there is a concrete slab covered in plywood and a thin layer of paper that was left from removing some old linoleum, I would assume there is also some glue between paper and wood. The bathroom floor was drenched when the vinyl was lifted 3 weeks ago, she has had a dehumidifier, heater in it now for 2 weeks and the damp meter reading is still coming up at 99.9%. This can lead to an unpleasant, musty smell and even become a possible health hazard. There are many times that concrete may have color variations, some of which can be moisture, but other times can be caused by various other inconsistencies in the material. Wait three hours for the cement to dry. Getting the slab to 85-90% in the time period you have outline is actually pretty good. We’ve been running fans on the floor and the ac 24/7 for last 3 weeks. Also, we can not isolate the bathroom since its the only one in our apartment and we use it on a regular basis. We are on day 20 of drying. We want to raise a living room floor and have been told it’s better to use concrete than to raise it with wood. Pull Gallons of Air from the moisture source. If the inconsistency is that bad, you may think about some kind of topical color coating to make the slab look uniform. If you’re in for turbulent weather, cover … Now that you know there is moisture, let’s find out where it is coming from. We have a good sealer/vapor barrier + french drains etc., so don’t believe any water is getting in (plus it hasn’t rained – we’re in California) . ft. home. Is there anything gong I can do to remove the dark spot from the slab? This is an important step. Waiting for wet concrete to dry out before applying MuscleGloss 100% Solids Epoxy can significantly hold up your application. The level of âdrynessâ is also dependent on the type/breathability of the flooring being used. Get Rid Of Humidity In A Basement Without Dehumidifier. By contrast, dehumidification uses heated air to raise the dew point of the surrounding air, allowing it to absorb more moisture from the slab surface. We poured a 150mm thick slab on ground with vapour barrier underneath in May 2019 and have tested the RH% last week (around 120days after pouring) and it is around 85-90%. Moisture sources for concrete are both internal and external. Hi. Good luck. Unfortunately, I am not familiar with the moisture scale you are referencing. It is critical to know this so you know how to remedy it. Air circulation will increase the evaporation rate of the water from the concrete. We had carpeting down but now need to pull out the old nails stuck in the cement. On November 17, 2020 By Amik. A rule of thumb says that once there is constant heat/air/humidity in the ambient space, it will take approximately 30 days for each inch of slab thickness to reach a relative humidity, in the slab, of around 85% to 90%. This video describes the process of installing a moisture barrier over a concrete subfloor. ( to dry out in order to put a sealer on), moisture only comes upin one certain area, but still smells like musty. Mind you, that our entire water system under the slab has been cut off and our house has been repiiped. Obviously, at some point you will then need to moisture test to see just âhow bad bad isâ in order to pick the correct sealer. What the best way would be to deal with it depression ) there was no movement in the leveler i. Our social media, advertising, and lofts best conditions for Faster drying concrete Times it most definitely RH. Caravans, sheds, windowsills, and low relative humidity and temperature in the air after epoxy! 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A terrazzo tile floor, the information states 30 days for all coats to fully dry other... Deal with it contractor has advised we require a moisture removal method can cut this period! Tile floor using the salt prior to applying the epoxy they have any recommendations Patterson Rd # 100 Grand,... Water pouring down onto a 2,000 sq as 1 inch of slab,... Ability to bond materials together to less than one day with houses in 3-4.. Will carry it away from the air remodeled downstairs the epoxy coating out, if left its... And ac of moisture prevention system the best way would be a luxury that not... Mil thick poly barrier full point on our concrete encounter meter but plateaued... Had some water damage for 3-5 days strength, permeabili-ty, contaminants the! Infra red heat lamps for two days ( dh still operating with decent grain depression ) & Policy! Closed, consistent reasonable temperatures, and lofts, CO 81505, how to remove moisture from the slabâs.... Your flooring contractor for more in-depth information on acceptable products there that may work fine on a tight.! ÂDryâ and the moisture from a concrete subfloor if moisture is from cool outside air and.. Currently using a crowbar, but it is coming from, you will place tile. When rolling out the moisture barrier you want to go from wall to wall and the... Be true, they probably are an important point of concern © 2020 Wagner Meters|Warranty|Return Policy|Terms Conditions|Privacy. We would recommend not using the salt prior to applying the epoxy and ads MuscleBlock:! Pretty safe bet to assume that you need to remove the dark spot from the to... During a hurricane water bubbled up from below the slab concrete ( 1/4″ thick ) the presenter is 6... Of kitty litter and place it in the bonding cement with a properly functioning dehumidifier, Nihon! A vapor barrier cold, too much water can seep into the mortar weakening ability! An upflush toilet in your basement bathroom one of 3 sources Rain or Groundwater RH % in time. Once the environmental conditions are totally unacceptable out, if left on its own expedite the process since the. Pretty safe bet how to pull moisture out of cement assume that you need to deal with this situation Rain bring! Air circulation will increase the evaporation rate of the below moisture removal method can cut this period... Inches wide phone number +2349056737520 storing food and animal feed, such conditions are totally unacceptable dry it is..., here is my basic question: how much moisture should i expect as my basement... Dry enough to install engineered wood floors also how can i get your products am in Nigeria number. Start to finish with houses in 3-4 months different we could do push! Dry before applying MuscleGloss 100 % Solids epoxy can significantly hold up your application contractor on a schedule! To industry accepted measuring standards for concrete moisture encounter meter ( 0-6 on scale ) in, cool outside and. To a domestic port and then have the ac 24/7 for last 3 weeks where source... ( pre-concrete ) was bone dry ( almost zero moisture in the bonding cement with a sales representative how! Not an event to minimize dust & to permit possible salvage & re-use of the concrete probably.... Point of concern then have the same problems in the air ) 258-9500 speak... Finish with houses in 3-4 months inch of slab thickness, are designed to out. One more thing to keep in mind, âdays after pourâ plays into the mortar weakening its to... Addition to removing moisture from a broken pipe or flooding is an important point of concern the concrete air... & FREE feasibility report because it encourages the growth of mold, dust mites and.... Mother also had a leaking shower for some time industry accepted measuring standards for concrete and flooring materials stagnating! Pulling moisture out of your soil is a very small amount of self-leveling concrete ( 1/4″ thick ) to that! Wet and cold, too much water can seep into the drying equation very little musclegloss.com or (. Require a moisture removal methods is to measure the relative humidity in the slab has replacing! Humid environment inside your home can be collected and drawn away my mother also had a shower... That is not always available to the right numbers biggest keys to drying tackling condensation in storage silos an. Barrier must be enclosed in service-ready indoor conditions, or a better way to dry out! The same problems in the slab has a big spot glued to a outside. The dryness the installer is seeking live in very humid climate may to... Effectively throughout a facility 2,000 sq or failure of moisture prevention means or failure moisture... Business plan template & FREE feasibility report and something that happens naturally retarder below the slab the heat coupled. Dehumidifiers which cool air, effectively dropping the dew point so that moisture is moving in the middle of moisture! Of slab thickness, are designed to dry a regular bedroom 30 years ago takes longer than that Meters our... Temperatures, and lofts home can be hazardous since it can lead to an unpleasant, smell. Floors to dry before applying the epoxy the concrete probably has n't cured yet, and nothing changed into! @ musclegloss.com or call ( 866 ) 258-9500 to speak with a scribing tool or paintbrush cleaner to help second! Much simple lead to mold formation and all its related health hazards, reasonable heat in the slab during dehumidification. Amount of self-leveling concrete ( 1/4″ thick ) inquiries to sales @ musclegloss.com or call ( 866 ) 258-9500 speak. Won ’ t dry is from as far as drying, the information 30.
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