How To Seal An Stone Foundation Wall – Applying RadonSeal will help strengthen and waterproof old mortar as well as limestone. Footing drains may break as the house settles, or silt up. Check out what 1,161 people have written so far, and share your own experience. If you are planning to remodel your basement, common sense would tell you that water should be kept out and not allowed to seep in. New construction down the street may shift groundwater flows and cause basement leaks in your house. RadonSeal Deep Penetrating Concrete Sealer RadonSeal Deep Penetrating Concrete Sealer is formulated to permanently seal, strengthen and protect, poured concrete, concrete blocks and cinder blocks. This is very disappointing. The plastic "vapor barrier" soon disintegrates due to the lime in concrete and over time, the layer of gravel ("drainage pad") silts up. All waterproofing coatings gradually break down or separate, even flexible elastomeric liquid membranes. The concrete is filled back in. Tar Waterproofing Is Brittle – Tar waterproofing membranes has no "give" and cracks eventually develop as the concrete constantly contracts and expands and the house settles. We order the 16oz. It would be impossible to frame and finish the walls because water sitting in the channels behind the drywall would lead to mold and mildew problems. October 12, 2020 . After determining that there are unsafe radon levels in a home, the owners perform a radon inspection, assessing the areas of possible contamination. Exterior coating bridges cracks, holes, or defects in the concrete. Make sure to check for leaks and any visible cracks in the concrete, the floor-to-wall joints, expansion control joints in the floor, and all penetrations. And its … Check out what 1,235 people have written so far, and share your own experience. RadonSeal deep-penetrating concrete sealer stops water seepage, vapor, molds and even radon permanently. Alkaline soils in some regions speed up this process and can "eat" away inches of concrete over several years. The French drain method leaves a gap at the floor-to-wall joint to allow water seeping through the walls to flow down to the French drain. Radon is a radioactive gas that you cannot see, smell or taste and can get into your home undetected. In that case, use the usual exterior waterproofing coating and later, apply RadonSeal at least on the inside of the walls. RadonSeal works deep inside concrete walls, floors, and heavyweight concrete blocks to help strengthen and waterproofing the substrate permanently. Should radon sealer be used to remediate an indoor radon problem? I wanted RadonSeal to stop water coming through cinder blocks - the water has stopped. Radonseal DIY foundation crack repair kit is easy to use, and anyone can do it. | Read 181-200 Reviews out of 1,183 If your basement is still unfinished and unpainted, our line of waterproofing products will make waterproofing your basement concrete quick, easy and saving you on both time and money. Do you agree with RadonSeal’s star rating? It really is odorless, and it feels slippery, I suppose because of some surfactant. All products used worked as described. These open gaps and the natural vacuum in basements cause the inflow of moisture-laden gas and radon gas from the soil. Some have large visible pores. Although this will not protect the outer layer of concrete against water, it will still waterproof the walls. The answer is: Maybe. Rain gutters and downspouts get plugged up with debris. Step 3 – Seal the concrete walls and floor against moisture and water vapor with RadonSeal Concrete Sealer. As concrete cures, it inevitably develops capillaries. Water carries dissolved alkalis to its surface, where they attack any waterproofing coating by saponification ("alkali attack") and even the concrete itself. Shelton,CT 06484 RadonSeal Penetrates into concrete (up to 4"), chemically reacts, and seals the capillaries and pores that make concrete porous. Traditional, decades-old basement waterproofing methods have not passed the test of time: "Over 60 per cent of basements have moisture seepage in one form or another, while 38 per cent experience mold and fungus growth due to an elevated moisture level." Used by professional waterproofing contractors the low-pressure injection method eliminates any need for drilling making repairs easy enough for homeowners to do themselves. My results were no difference in radon readings. RadonSeal seals the pores and capillaries of concrete against water and water vapor. Allow new concrete to cure for at least 28 days before sealing and damp-proofing the poured walls and slab with RadonSeal Standard. 4 Reviews . Do you agree with RadonSeal’s star rating? Initially, the seeping water evaporates, leaving on the surface salts and lime. RadonSeal Basement Concrete Sealer – Our champion concrete sealer! Wet or damp basements are the most frequent complaint of homeowners. RadonSeal Deep-Penetrating Concrete Sealer is an eco-friendly, ready-to-use, reactive sealer formulated for maximum penetration and sealing of capillaries inside concrete and cementitious substrates. The chemistry behind RadonSeal has been used in the building industry for the past 80 years and RadonSeal has been on the market since 1997. Exterior Footing Drains ($13,000â$20,000) – Excavating earth next to the foundation walls, laying gravel, installing perimeter drains, removing old tar from foundation walls, sealing the concrete, applying a polymer waterproofing membrane, backfilling, and finally, re-landscaping. RadonSeal differs from paints and membrane coatings by penetrating deep inside concrete (up to 4"), chemically reacting with free lime and alkalis, expanding inside microscopic pores, and curing as a hard mineral. RadonSeal Plus Deep-Penetrating Concrete Sealer is formulated to permanently seal poured concrete and concrete blocks. The most effective RadonSeal application is waterproofing both sides of the walls. RadonSeal is a water-based sealer that dries clear, leaves no color or film on the surface that can peel off or wear away and cannot be pushed out regardless of hydrostatic water pressure. Fill dirt around the foundation settles and directs rainwater right to the foundation. Many home sales get re-negotiated or even canceled when the building inspector discovers moisture in the basement. Improving Your Home's Health – For over 20 years our line of Penetrating Waterproofing Sealers, DIY Foundation Crack Injection Kits, Concrete Floor Repair Kits, and basement waterproofing and radon mitigating products have proven to be the ideal solutions for drying out basements. It has been used on a countless number of large and small scale commercial construction as well as residential applications (specifically slab-on-grade, basement concrete). The product seemed to jell somewhat before being absorbed into the floor. Rising groundwater is sometimes the problem or even an underground spring. Concrete is "very strongly alkaline" (pH above 9). RadonSeal is a clear, waterborne, reactive sealer used for strengthening and waterproofing poured concrete, heavyweight concrete blocks, limestone, grout and other cementitious building materials. Sealing the concrete early on, particularly before finishing the basement, will help avoid future headaches! It purifies and deodorizes the air nicely with a pleasant, non-overbearing scent. Alternatively, you can use professional Vapor Transmission Test Kits. New houses have a problem with "reverse grading," which usually occurs several years after construction. Ordering & shipping was a nice process. Visit us for more deals, offers and promocodes. RadonSeal is used for waterproofing and strengthening concrete against wicking water, water vapor, capillary water seepage and soil gases. Interior French Drain ($5,000â$9,000) – The "go-to" solution of most waterproofing contractors. By neutralizing alkalis in concrete, it also greatly extends the life of the waterproofing coating. Concrete is hygroscopic - it attracts water by absorption and once the pores get wet, they draw in water from the ground below by wicking action (capillary suction). CrackWeld's low viscosity, self-leveling resin, can penetrate even inside hairline cracks without the need to rout or chase the crack! RadonSeal is safe to use indoors because it contains no chemical solvents or VOCs. RadonSeal Plus Concrete Sealer is a ready-to-use, reactive sealer formulated for maximum penetration and sealing of capillaries inside poured concrete, concrete blocks, and other cementitious substrates. That wasn't the best part though - he asked about my project and quickly figured out I was overkilling the whole thing. It's spray-on application is quick and easy for both contractors or homeowners. RadonSeal is a water-based sealer that dries clear, leaves no color or film on the surface that can peel off or wear away and cannot be pushed out regardless of hydrostatic water pressure. Relying on one sump pump, however, is risky, particularly if your basement is finished! size. Suitable for industrial, commercial, and residential use. RadonSeal penetrates up to 4 in. It is applied with a spray-gun like the type used with a garden hose, it needs two applications over an unpainted or untreated concrete floor — or walls, but it is a permanent application and never needs to be applied again. | Read 41-60 Reviews out of 1,183 Hydrostatic Pressure – When water accumulates around the foundation, hydrostatic pressure builds up and causes the basement to leak. | Radonseal - Radonseal.com traffic statistics Radonseal is a silicate based sealer and just about every commerical construction job requiring a concrete sealer specifies that only a silicate based product. Do you agree with RadonSeal’s star rating? Radon sealer is a type of permanent sealer which is designed to keep any gaps, cracks, or seams tightly shut. Was much easier than I thought it would be. RadonSeal works by absorbing deep into porous concrete (up to 4 inches), chemically reacting, bonding, and inherently sealing the matrix of the concrete. Come find out June 23, 2020 . Find related and similar companies as well as employees by title and much more. A radon seal provides a protective barrier in basements against infiltration from soil or water, which typically contain harmful radon gases. Exterior waterproofing disintegrates or separates due to the "alkali attack." That wasn't the best part though - he asked about my project and quickly figured out I was overkilling the whole thing. The sealer absorbs inside the concrete leaving the surface slip-resistant and paintable (does not change the appearance or profile of the concrete). Interior Drainage Gutters ($3,000â$6,000) – A plastic channel system ("interior gutters") is glued around the perimeter of the basement floor to collect water seeping through the foundation walls and to take it to a sump pump basin. June 13, 2020 . But RadonSeal wants you to pay $6 in shipping, for each container!!! | Read 201-220 Reviews out of 1,077 Alternatively, use RadonSeal Plus for concrete blocks or older poured concrete (more than 20 years old, or outdoor concrete older than 2 years). The median is about 1 micron (1,000 nm) but a water molecule is 3,000 times smaller (0.28 nm). | Read 641-660 Reviews out of 1,235 I would have liked to have found a video demonstration of the Radonseal. This method does not work very well if the gravel bed is silted up and does little for seepage through basement walls. | Read 401-420 Reviews out of 1,161 More on Basement Damp-Proofing. The web site claims that the Silica based stuff in RadonSeal reacts with the unincorporated lime in the concrete. RadonSeal concrete sealer stops hydrostatic pressure, densifies the concrete, and prevents spalling, cracking, and dusting. It purifies and deodorizes the air nicely with a pleasant, non-overbearing scent. Seals basement floors and walls against water, dampness, efflorescence, molds, and even radon gas. Radonseal DIY Foundation Crack Repair Kit Review. 83 Reviews . into the concrete and reacts to form a mineral, greatly reducing vapor transmission, water seepage and radon gas. Houses settle and underground water flows change. Please contact us first regarding shipping. Always start with testing your home. RadonSeal Efflorescence Cleaner uses an organic salt that acts like an acid, but is only considered a mild skin irritan and not corrosive. Combining RadonSeal With An Exterior Waterproofing Coating – RadonSeal is usually used in combination with an exterior waterproofing coating, which is required by building codes in most counties. Concrete is naturally porous, typically 10 to 18% air (with extremes 2â60%). It depends on how radon is entering the building and the kind of radon … Share. We did make use of some of the video directions on YouTube. This is very disappointing. 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