The damage is only superficial, so cleaning methods can renew the. This polymeric sand technology ensures that your patio stones remain haze-free, leaving them looking great. The sand and cement layer, on top of the hardcore, must use 6 measures of sand to 1 measure of cement and the mixture should be semi-dry. 1. DIRECTIONS. Removing Old Polymeric Sand and Paver Haze / Re sand and Sand Lock Seal Pavers Chandler #1. Polysweep Polymeric Sand is a granular sand that is applied between the paver joints (up to 3/4") that hardens to a "concrete like" barrier that inhibits weeds, insects and plant growth. Floating should always be the first step when installing concrete and should be done before troweling, as it helps ensure that the surface is smooth and level and creates the desired slopes for drainage. Removing mold from between pavers should involve using a commercial cleaning product formulated for mold removal, not harsh bleach and. *All products may not be available in all areas. You can either leave it alone and Mother Nature will remove most of it, or there are cleaners. Removing Old Polymeric Sand and Paver Haze / Re sand and Sand Lock Seal Pavers Chandler #2. Using a Brick or Block Cleaner. Polymeric sand is a popular material used in landscaping projects as it creates a strong, durable bond between pavers, stones, or bricks. Available in tan and granite colors. Be sure to rinse it off completely with a hose or water from a bucket, since muriatic acid is a dangerous chemical. Let it dry out and make your assessment. Once hardened, it will resist joint wash-out, lock in paver sand and reduce weed growth. A propane torch is great for drying out small wet areas. It does Not leave a haze on the bricks and it sets up in about 48 hrs. It is easy to apply, water-activated and resistant to weeds, insects and. Resists erosion, weed growth and insects. Specifically, calibrated sand is mixed with sophisticated intelligent polymers. . How long does polymeric sand need to set before rain?Most poly sands are considered “rain proof” after one hour, but I wouldn't bet the bank on that. It works great to remove polymeric sand haze. Polymeric sands are designed to soften and reheal. Polymeric sands are sold as an alternative to standard sands for the final step of paver installation. 5 cm) Check Price on Amazon. Doesn?t take too long f. NMD 80 is a powerful detergent-based solution designed for safe and effective removal of mortar smears and efflorescence from masonry surfaces. Compact The Sand Well. Advanced technology makes polymers dry clear, ensuring a haze-free installation. There is the potential for polymeric sand to create a haze on the surface of pavers if not washed properly. ft. If, by chance, you do get hit with some unexpected weather after your installation, don't panic. Check Price on Amazon. The Artisan Poly Haze Remover removes stubborn poly haze from pavers, restoring the natural color. Polymeric sand haze on concrete pavers or slabs: 1. On top of that, it is Rain Safe In Just 10 Minutes!What happens if polymeric sand gets rained on? Installing polymeric sand on a damp or wet surface could cause the sand and polymers to stick to the surface and become difficult to remove. • Dry the area with a clean cloth. To remove polymeric sand haze, it is necessary to know what polymer sand consists of. Our polymeric paver sand also comes in the two classic colors of beige and grey to go with all different design and color choices. There is limited evidence that vinegar can remove polymeric sand haze. It may also be polymeric sand haze, more difficult to remove but doable. All Artisan products meet or exceed all V. CasaScapes polymeric sand is a unique mixture of polymer binders and calibrated sand available in Beige and Grey. Go over your pavers again with a leaf blower to blow any excess water and sand off of the surface of. If you’ve installed polymeric sand, refer to the manufacturer’s direction on the cure time of the sand prior to sealing. Product type : Cleaner. Yes, you can use our Rutland 16 fl. Only then. Upgrade your Lenovo T430 (RAM and diffi…This means using a compacted hardcore foundation approximately 4-6” deep. Be very careful when using the leaf blower to remove the polymeric sand. The sand in the brick paver joints serves MANY integral purposes. Do small sections at a time. is a leader in developing a new wave of cost-effective and powerful brushless cleaning solutions for the masonry, construction and transportation industries. To clean pavers with white vinegar, first, wet the paver’s surface with water. Method 1: Removing fresh haze. Follow CASASCAPES POLYMERIC SAND installation steps 1 to 6 for a new paver surface. Repeat until all the failed paver sealer is removed. It is used heavily in construction projects, hence its name. Do you have to use polymeric sand for pavers? Polymeric sand is not. tcalb2. Our one-sand solution for paver joints ensures clean, rain-safe installation with quick set-up. Do not apply in temperatures are under 32 degrees. This product is capable of extremely effective cleaning and efflorescence removal. Homeowners often forget to sweep or blow off residual. It also causes cracks and gaps, because the sand hasn't fully bonded the entire depth of the joint. With Techniseal’s industry-leading polymeric jointing. It is also possible to remove it with a vacuum. 2 Does polymeric sand harden like concrete?. Rinse the affected area with clean water. The landscaper who power washed and applied a new layer of polymeric sand to the joints, did a poor job of removing the sand residue from the bricks before wetting down the joints. Out of these three main ingredients, the first two make up approximately 85-95% of the product by volume. Steam Cleaning This Paver Floor removing old Polymeric. Does polymeric sand haze go away? Our response is wait for 3 to 5 good rainfalls, this will make at least 80% of the haze dissipate. Be careful and use a low pressure setting of 1,600 to 2,000 psi. It can be used on all masonry substrates including brick, stone, synthetic stone, precast concrete, designer or colored block. CryptoThe first thing you’ll want to do is pour the sand out in one area after laying your pavers. When applying you have to use a Fine broom and make sure that there is no visible polymer on any brick or paver. We would like to show you a description here but the site won’t allow us. Use a broom to spread the sand out and guide it into the joints. Some. Pour sand onto pavers, focusing on the joints. 1. haze on pavers. we recommend to remove all the sand from the paver or slab surface prior to using the plate or roller compactor. NMD 80 is a powerful detergent-based solution designed for safe and effective removal of mortar smears and efflorescence from masonry surfaces. Here is a step-by-step guide to removing old polymeric sand: 1. I'm hoping a shop vac can remove the dry polymeric sand. Many times, homeowners and even contractors are unaware of poly sand haze. Fastest wide-joint set up time in the market helps with unforeseen weather. How can polymeric sand haze be prevented? White Haze: How it Happens and How to Avoid It When you install polymeric sand in the joints of pavers, the manufacturers suggest that you spray the paved area with water and leave time to dry. High humidity or damp pavers can cause a white haze, make sure pavers are completely dry before installing polymeric sand and try to work in low humidity. Spray pavers with water, making sure you don’t miss any areas. Once the sand has been activated by watering it, the haze remains on the surface of the stones and must be cleaned off using a solution. Wait about 20-60 minutes after applying the stripper then pressure wash off the old sealer. ft. DOMINATOR Polymeric Sand - Best for Professional Use. Step 3. NMD 80 is a powerful detergent-based solution designed for safe and effective removal of mortar smears and efflorescence from masonry surfaces. (To remove the stains, some suggest scrubbing with vinegar. 5 bags of sand : 1 bag of cement. ″. Sometimes vinegar can be used unless the poly sand haze is severe. Make sure you follow the instructions and dilute the solution correctly. wide. I use polymeric sand all the time. Be Mindful Of The Weather. The added buffering ingredients allow NMD 80 to be powerful yet safe enough for glass and anodized aluminum. It requires no respirator when working outdoors, preventing unnecessary fines. Regular sand can wash away after a heavy rainstorm. It works great to remove polymeric sand haze. Surebond polymeric sand is easy to use and will bind the pavers together creating a lock-tight structure that will hinder weed growth and paver movement. Wear goggles and rubber. The first step in removing polymeric sand haze from pavers is. Yes, vinegar can be used to remove polymeric sand haze. You live and learn. Works great to remove polymeric sand haze. 7. Does vinegar remove polymeric sand haze? Yes, vinegar can be used to remove polymeric sand haze. The added buffering ingredients allow NMD 80 to be powerful yet safe enough for glass and anodized aluminum. It can be used on all masonry substrates including brick, stone, synthetic stone, precast concrete, designer or colored block. These are the best buy products with high ratings from 116,271 objective reviews of consumers, we ranked the top 20 products you may be keen on the Best Polymeric Sands. After sweeping in the polymeric sand, lightly mist the top of the pavers to activate the polymers in the sand. Removing Polymeric Sand from Paver Patio. Note: Polymeric sand is more suited for use in narrow, even-sized gaps, such as those between brick pavers. The polymeric sand application is now dust free, haze free, no blower needed, requiring only one watering and offering a Rapid Set technology of rain safe after 15 minutes. SUPERSAND G2 is made with a state-of-the-art manufacturing process. Bag, (Slate Gray) Advanced Haze Free Technology Can be used for joints up to a maximum of 1 inch (2. Normal sand will last a while but eventually, it will blow or wash out with the rain and wind, which will leave space for dirt, moss, and weeds to fill in the gaps. In most cases, it is best to completely remove the paver sealer using a stain or sealer stripper. 9. 1. 1. NMD 80 I Gallon also works great to remove polymeric sand haze. There are a couple of drawbacks to polymeric sand. You really want at least 24 hours of warm, dry air to ensure that the poly sand completely sets. Eventually, the crust will break away, eroding the joint. It works on tight joints as well as joints as wide as 4 inches. The added buffering ingredients allow NMD 80 to be powerful yet safe enough for glass and anodized aluminum. In 1999, Techniseal launched the first-ever polymeric sand for paver jointing. No blower needed and the intelligent polymeric sand requires only one watering. Sometimes vinegar can be used unless the poly sand haze is severe. The remaining 20% will go away with subsequent rain fall. Consider using white vinegar: If you notice any polymeric sand residue left on the paver surface, use white vinegar to remove it. Finally, you should allow the pavers. Just like all-purpose sand, polymeric sand comes in a wide range of colors. Now, because it’s not overly strong, it might not be your best bet if you have a large area to cover, especially if the layer of haze is fairly thick. Builder’s sand is the most common replacement for polymeric sand, and it is easy to access and affordable. 140 Reviews. Check Price on Amazon. 2. Polymeric sand improves the overall durability of the hardscape you install. If nothing else works to remove efflorescence from your pavers, mix together 1 part acid and 5 parts water, then scrub the acid into the pavers with a stiff brush. Secondly, when filling the area, it is important to not over-compress the polymeric sand by tamping too hard. It works great to remove polymeric sand haze. Regular maintenance, including sweeping, rinsing, and using a polymeric sand. k. Thus I had a dull haze on our walkway. Additionally, polymeric sand can be challenging to remove once it sets, and it can also create a haze on the surface of the pavers, dulling their shine. is a leader in developing a new wave of cost-effective and powerful brushless cleaning solutions for the masonry, construction and transportation industries. Then, use a brush to scrub the pavement with the vinegar and water solution. It’s most likely efflorescence. Vinegar is an effective and affordable solution for removing polymeric sand haze. Won’t be as good as polymeric sand obviously but it should give a mild set (harden after getting wet) Idk why you’d not just use sand alone as I’m not a mason but if you want it to harden you need just a little bit of cement mixed in (not concrete - that has gravel in it - cement powder specifically) The. of concentrated solution cleans up to 600 sq. As the best polymeric sand on the market, you can expect zero haze or dust, strong joints, and longevity. Rain is an inherent risk of any polymeric sand project. Tan Polymeric Sand. Polymeric haze occurs when the surface of the stones are not blown off after the polymeric sand has been swept into the joints and the sand has been consolidated by running a tamper over the stones. Use a pressure washer to completely remove the old polymeric sand. Stone Dust. • Removes cement slurry and polymeric sand haze. TECHNISEAL ® SR SLURRY REMOVER FOR PAVERS AND SLABS is the most effective product available for removing cement slurry and polymeric sand haze on concrete or clay pavers and slabs. Read honest and unbiased product reviews from our users. Inspect the pavers to make sure the sand in the crevices is at least 1/8″ below the top of the pavers. But if you use high-quality polymeric sand, it can last for approximatelyCategories Click to View Product Categories . 2. For instance, it can be used with brick and concrete pavers for optimal results. Step 2: Remove Dirt and Mortar. Polymeric sand is a type of sand that contains polymer binders. Bag, (Slate Gray) Advanced Haze Free Technology Can be used for joints up to a maximum of 1 inch (2. Step 2: Brush off any accumulated sand, salts, and other debris before it gets stuck in your pavers. The heat will reactivate the polymers in the product and allow the sand to be stripped. Using too much water can cause the sand to wash out of the joints. @pickyme - what you may be experiencing is "poly haze", which is caused by the polymeric sand not being installed properly. Polymeric sand typically contains 85-90% crystalline silica and quartz, allowing the sand to bind together. The polymeric sand application is now dust free, haze free, no blower needed, requiring only one watering and offering a Rapid Set technology of rain safe after 15 minutes. The rest of the ingredients are some type of filler and the proprietary glue. These binders help to hold the pavers in place and prevent them from shifting or moving. Today, we still offer the highest performing jointing products on the market. Step 1: Lay a Sand Base. Depending on how thick the sand is, first start with a simple hose. This 50-pound bag of polymeric sand covers up to 85 square feet. The Artisan Poly Haze Remover removes stubborn poly haze from pavers, restoring the natural color. NMD 80 is a powerful detergent-based solution designed for safe and effective removal of mortar smears and efflorescence from masonry surfaces. hose down and/or protect any nearby plant material. This does not in any way affect the integrity of your pavers or the installation. Still, the polymeric sand usage in paving projects is probably one of the best choices when it. Many times, homeowners and even contractors are unaware of poly sand haze. NMD 80 requires no respirator when working outdoors, preventing unnecessary fines. While efflorescence may fade over time, it would stick like a sore thumb on your supposedly glorious driveway or outdoor living space. Wash the surface with a pressure washer (medium pressure of 1600-2000 PSI ) to effectively get rid of haze without removing joint sand. Coverage : 1 gal. How to replace polymeric sand between pavers? Inspect the pavers to make sure the sand in the crevices is at least 1/8″ below the top of the pavers. The ideal temperature is about 180 °F. Ship to Store. Anything else will be an exercise in futility. Plain Sand. 1 How long does it take for polymeric sand to get hard?. Step 1: With a stiff-handled brush or a broom, brush it off all the early efflorescence, just be careful to not damage your pavers by brushing it too hard. Prevents weed growth, crack, etc. Sometimes vinegar can be used unless the poly sand haze is severe. Disclosure: We may get commissions for purchases made through links in this post. They’ll withstand the rain. 22. If you do not remove all the sand from the surface of the pavers, the sand can turn white under the paver sealer. Builder’s sand is the most common replacement for polymeric sand, and it is easy to access and affordable. 3. Polymeric sand is a sand formula that is swept into the joints of pavers and natural stone to lock in the product, prevent weed growth and insects, and to provide the final touches of any hardscaping job. Filling joints between interlocking pavers and slabs has never been easier than with Sika FastFix-110, a high performance polymeric sand! Its superior quality provides for a durable joint that resists erosion, weed growth and insects. Step 1. It can be used on all masonry substrates including brick, stone, synthetic stone, pre-cast concrete, and designer or colored block. Polymeric sand haze is one of these situations, and is a result of leaving behind some sand on top of the stones right before misting the polymer with water. EaCo Chem, Inc. If you have a leaf blower, you can use. Powered with ceramic flex technology, a technology found only in the most advanced polymeric sands, it’s a blend of polymers of fine sand. Use a brick/block paver cleaner, or an acidic vinegar solution to clean the haze. It works great to remove polymeric sand haze. Once GATOR MAXX SAND sets, it becomes very firm and locks between the paver joints. With the polymeric sand poured out, you’re now going to use a broom with very hard bristles to. Removing Old Polymeric Sand and Paver Haze / Re sand and Sand Lock Seal Pavers Chandler #2. Looking for a high-quality polymeric sand for your paver projects? Check out the 40 pound natural ivory dominator polymeric sand with revolutionary ceramic flex technology. 7. Allow the solution to sit for a few minutes, then scrub the area with a stiff-bristled brush. Make a solution of white vinegar and water, let it sit on your pavers for an hour, and then scrub away the stains with soap and water solution. This is the one-sand solution for paver joints. Durability is a major selling point for pavers, and employing polymeric sand will just. This usually works for trapped moisture and if you. How To Remove Polymeric Sand Haze From Pavers Written By Wilkinson Lablen Saturday, June 25, 2022 Add Comment Edit. It’s quite essential to go for the best polymeric sand for the pavers. Do NOT use muriatic acid it will ruin the surface. The vinegar will have loosened and even removed some of the stain on its own, but scrubbing will do the rest. Fixing White Pavers. regulations and do not contain any muriatic, hydrochloric, nitric or sulfuric acids that present chemical exposure and handling problems for the applicators that could potentially harm or degrade masonry. Immediately afterward, wet the same section for an additional 30 seconds until the joints are saturated. Works great to remove polymeric sand haze. In many cases applying a solvent to the pavers will "reset" the sealer, making the white haze disappear. Polymeric joint sand will essentially harden like concrete between your pavers. This new generation of Intelligent Polymers neutralizes haze and dust. Polyhaze is difficult, if not impossible, to remove from your pathway, creating aesthetic. Make sure to consult the paver manufacturer as to what they recommend. If that's what you got, utility knife (and extra blades) is probably the way to go. Epic Fail #1: Too much or too little watering. Bad Weather Conditions. Available in Beige, Slate Grey, Ivory and Black Diamond. Sweep off excess SUPERSAND G2 from the paved surface, first with a hard-bristle broom, then a soft-bristle broom. Simply remove the old sand completely and apply Techniseal Jointing Sand. The 4 Polymeric Sand Alternatives. Using a Leaf Blower. How to replace polymeric sand between pavers? Inspect the pavers to make sure the sand in the crevices is at least 1/8″ below the top of the pavers. Works great to remove polymeric sand haze. Because the sand is very coarse, you must use it regularly. Any excess polymers and sand should be rinsed off of the project surface. Brick pavers absolutely, 100% need to be re-sanded prior to sealing. Polymeric Sand works best when it is used to fill the entire depth of the paver. You can enjoy a clean,. NMD 80 requires no respirator when working outdoors, preventing unnecessary fines. The added buffering ingredients allow NMD 80 to be powerful yet safe enough for glass and anodized aluminum. This is a crucial step in installing and removing sand from pavers, so repeat it as many times as needed. 1/2” LEVELING SAND SCREED NOTE: There are two types of joint sand. How to fix a paver sealer that has turned white depends on the severity of the issue. This advanced locking technology keeps your patio looking emmaculate no matter the weather conditions! { The Three No's } No Dust, No Haze, and No Blower. How do you make sand Harden? Does vinegar remove polymeric sand haze? Does water pass through polymeric sand?. Polymeric sand requires at least 24 hours to cure properly. 2his can be done with a garden hose fitted with a jet nozzle, or it can be carefully done using a pressure washer. It works great to remove polymeric sand haze. Using a Broom. #11 · Oct 14, 2008. Why did my pavers turn white after sealing? A white appearance on the surface of pavers can also be caused by polymeric sand haze. Make sure to consult the paver manufacturer as to what they recommend. For textured or pre-finished surfaces, we recommend to remove all the polymeric sand from the paver or slab surface prior to using the plate or roller compactor. I sprayed the mud down, and got a leaf blower (on the lowest setting), and blew the water/mud off. On today's video, we discuss 7 reasons why polymeric sand fails. ) Note that actual coverage may vary depending on product dilution and surface condition. Step 3: Mix one gallon of dishwashing liquid with two gallons of water. It’s important to note that the. If you only have a crust, you don't have a proper bond in the joints. STEP 1 Sweep in the Sand . 60607. The heat will reactivate the polymers in the product and allow the sand to be stripped away. A misting is. How do you remove hardened polymeric sand? The best way to remove polymeric sand from a paver surface is to use a hot water pressure washer at 180°F. For even better results, you can make use of a hot water pressure washer at 180 degrees Fahrenheit. When looking for alternatives to polymeric sand, you will also want to find high quality materials. The added buffering ingredients allow it to be powerful yet safe enough for glass and anodized aluminum. a. It works great to remove polymeric sand haze. In such cases, a pressure washer can be an effective tool. Gibson, Shutterstock. Be gentle to prevent scratching the pavers. Cutting metal by hand can be done with a variety of tools or devices. When sands spill over and dry, they form haze. 7. It is often debated which type of sand is best for paver Which Sand is Best for Paver the edges will grind together, “locking” the layer of sand in place. 3. Credit: Charles F. Avoid Topping. Step 1: Sweep up any polymers that are on the top of your pavers. Please Request a Quote (below) for availability, quantity discounts and delivery costs. NMD 80 is a powerful detergent-based solution designed for safe and effective removal of mortar smears and efflorescence from masonry surfaces. The grout that was used was a polymeric sand made by Alliance, the product name is XP. To remove existing polymeric sand, use a pressure washer to loosen it and then sweep it away with a push broom or a leaf blower. With a stronger, more durable cure, it’s the best polymeric sand for natural stone and wetcast patios and walkways. Washing your paved surface with a pressure washer is arguably the most effective way to remove polymeric sand residue from a paved driveway or patio. TECHNISEAL® – TECHNICAL DATA SHEET – HP NextGelTM J0INTING SAND 3 7. You may need to cut the PVC pipes to fit curves in your layout. Allow the mixture to set for roughly 15 minutes and use the brush or sponge to scrub the surface. The added buffering ingredients. For textured or pre-finished surfaces, we recommend to remove all the polymeric sand from the paver or slab surface prior to using the plate or roller compactor. It can be used on all masonry substrates including brick, stone, synthetic stone, precast concrete, designer or colored block. To effectively remove polymeric sand from pavers, strip off the sealant. Why is my polymeric sand washing out? A danger of using too much water too quick creates the possibility of washing away the polymers. Easier to install and more durable than traditional hardscape aggregate, they also prevent weed growth and insect infestations. ft. Keep the pressure low to prevent sand from being removed from the joints. Set aside leftover pavers after the installation so you can replace any that show damage. Finally, it is resistant to pests and bug infestation. Polymeric sand haze can often be prevented by following a few simple steps. It’s most likely efflorescence. Polymeric sand haze, improper use of sealants, and poor drainage may also create a white residue. After that, you want to use the leaf blower to get rid of any excess sand. Following. 60 to 120 SF & Wide joints: 25 to 40 SF - NO DUST, NO HAZE polymeric sand - Ideal for all projects, including steep sloped, high traffic and humid areas RG+ Polymeric Sand. Please enter multiples of 49. Removing Old Polymeric Sand and Paver Haze / Re sand and Sand Lock Seal Pavers Chandler #1. You can use a stiff brush to scrub the solution into the surface of the pavers and loosen any remaining haze. Polymeric sand may get removed from pavers by washing them with hot water. Sometimes vinegar can be used unless the poly sand haze is severe. Can also be used as a general masonry cleaner and efflorescence remover. Sometimes vinegar can be used unless the poly sand haze is severe. It works great to remove polymeric sand haze. Wanting to learn how to remove polymeric sand from pavers steps’ are quite simple, considering it might also be very time consuming. 2. You can spray the mixed solution on the haze and rinse it off as per instructions. Allow the mixture to sit for several minutes, then scrub the pavers with a. If there is still some light haze remaining, you can use a stiff-bristled brush to agitate the sand and remove the haze. See moreWet Down The Pavers. 1. Removing Old Polymeric Sand and Paver Haze / Re sand and Sand Lock Seal Pavers Chandler #1Detergent-based solution used to remove efflorescence and mortar smears; Designed for use on masonry surfaces; Powerful, yet safe for more delicate surfaces. Once you have made all of the necessary preparations, you can now open up your bags of polymeric sand and pour it onto the surface. Faster, easier cleanup With up to 90% less dust and haze compared to traditional paver sand, you’ll appreciate the faster, easier cleanup which means more weekend time hanging out with family and friends. Removes stubborn poly haze from pavers, restoring the natural color. Make sure you follow the instructions and dilute the solution correctly. I'm currently working on a brick garden edging project. 1. Toggle menu. The takeaway here: while you can’t control the weather, you can certainly control many aspects of your polymeric sand job. To obtain optimal performances, it is recommended to plan for 24 hours without rain. . NMD 80 is a masonry cleaner that requires no respirator when working outdoors, preventing unnecessary fines. Read the Material Safety Data Sheet before using this product. Sold in a 40-pound packet, the DOMINATOR Polymeric Sand sits atop my list because of its strength and flexibility. Remove any lawn furniture, power tools, and children’s toys that might get in the way. ANSWER: The problem is that when you finished applying the sand to the pavers you needed to use a leaf blower to get all the sand remaining on the pavers into the joints and cracks. Typically, polymeric sand lasts for up to 10 years. You can buy a polymeric sand haze removal solution along with your choice of polymeric sand. By far the easiest way to remove polymeric sand from pavers after it has hardened is by using a combination pressure washer and steam cleaner. 1275 sqft of pecan-colored tumbled travertine [non-sealed], pool decking pavers in the Versailles pattern, the polymeric sand btw the travertine pavers is now black and moldy. It has several advantages: It is stable, so the sand won’t end up on the top of your pavers; it allows you to power wash your patio without displacing the joint sand; it gives the patio a cleaner,It works great to remove polymeric sand haze. Coverage : 1 gal. O.