5 inches wide. Slip a short length of 1×3 under each end of the taut line. This product is capable of extremely effective cleaning and efflorescence removal without brushing or scrubbing. R. It works great to remove polymeric sand haze. Step 6. Wear gardening gloves to protect your hands. Note that actual coverage may vary depending on product dilution and surface condition. 5 cm) POLYMERIC SAND REQUIREMENTS Minimum joint width: 1/8” (3 mm) Maximum joint width: 1” (2. tcalb2. Using a Brick or Block Cleaner. Updated on March 7, 2023 When working on any driveway or walkway projects, to ensure the long-lasting effect between the pavers, a polymeric sand is often used. However, one downside to using this type of paver joint sand is that it’s costly. To remove polymeric sand haze from pavers, use a pressure washer with a fan tip nozzle. Using a push broom, sweep the product to fill the joints completely, down to their full depth. So far it seems to be glued to the bricks in the joints and is even slightly flexible . With effort, this haze can be reduced, though not necessarily entirely avoided. NMD 80 requires no respirator when working outdoors, preventing unnecessary fines. 9. EaCo Chem, Inc. The filled and cured polymeric sand joints should never be in direct contact with foot traffic or tires. How To Remove Hard Drive From Lenovo Thinkpad T430. Compact The Sand Well. It can be used on all masonry substrates including brick, stone, synthetic stone, precast concrete, designer or colored block. If a haze residue is still present after it dries, apply S. The Patio is Bluestone natural cleft with 4 different sizes in the pattern and half inch grout joints. Doing so ruins the polymers, and allow sandy particles to cause haze on the pavers surface. No blower is needed and the intelligent polymeric sand requires only one watering. Then use a scrub brush or sponge to apply the mixture to the surface. NMD 80 is a powerful detergent-based solution designed for safe and effective removal of mortar smears and efflorescence from masonry surfaces. CryptoThe first thing you’ll want to do is pour the sand out in one area after laying your pavers. 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. 1. Because the sand is very coarse, you must use it regularly. -. If the sand is sufficiently hardened in the cracks, regular hose pressure might be enough to wash away the film. ft. We recommend using a 50/50 solution of water and soap to. All Artisan products meet or exceed all V. This product is capable of extremely effective cleaning and efflorescence removal without brushing or scrubbing and. 22. This does not in any way affect the integrity of your pavers or the installation. 15. 8 cm) TRADITIONAL APPLICATIONS setting time: 1 hour above 32°F (0°C) OVERLAY APPLICATIONS Setting time: 24 hours above 32°F (0°C) Order your free sand sample bars Now! Description Ideal for Features Helps Prevent Color Selector Maintenance Coverage Packaging Description. Does vinegar remove polymeric sand haze? If poly sand haze has transpired on the surface, it must be cleaned with an acid-based cleaner. How do you remove pavers fast?With screwdrivers To remove a paving stone with two flathead screwdrivers, place the edges of the flatheads on each side of the stone. Use a brick/block paver cleaner, or an acidic vinegar solution to clean the haze. Shop for Seal N Lock Calcium & Efflo Removal from a trusted source in the building and window cleaning supplies industry since 1909. Why did my pavers turn white after sealing? A white appearance on the surface of pavers can also be caused by polymeric sand haze. NMD 80 is a masonry cleaner that requires no respirator when working outdoors, preventing unnecessary fines. 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. This product, when used per the directions, worked great. . at a 10:1 to 3:1 dilution ratio following application instructions. Pavermate Z3™ Polymeric Sand. Gator Tile Sand is a unique mixture of polymer binders and calibrated sand available in Beige, Slate Grey, Ivory and Black Diamond. When looking for alternatives to polymeric sand, you will also want to find high quality materials. From the sweeping to the watering, these are the reasons why polymeric sand may fail. To avoid this from happening in the first place, consider putting a tarp over where you poured in polymeric sand. 1600–2000 PSI is the suggested pressure for eliminating polymeric sand from pavers. When applying you have to use a Fine broom and make sure that there is no visible polymer on any brick or paver. 60607. NMD 80 is a powerful detergent-based solution designed for safe and effective removal of mortar smears and efflorescence from masonry surfaces. That’s a simple and natural way to have your pavers shining. GameStop Moderna Pfizer Johnson & Johnson AstraZeneca Walgreens Best Buy Novavax SpaceX Tesla. When the polymeric sand haze has been completely removed, it is important to give the surface a thorough rinsing with fresh water. Builder’s sand is the most common replacement for polymeric sand, and it is easy to access and affordable. The vinegar will have loosened and even removed some of the stain on its own, but scrubbing will do the rest. You have to remove the old polymeric sand and then apply fresh product for the best result. How do you remove polymeric haze from pavers? For even better performance, use a hot water pressure washer at 180 ° F. Roll your bag of preferred sand. Most polymeric sand manufacturers have a polymeric sand haze remove. at a 10:1 to 3:1 dilution ratio following application instructions. Wider joints take longer to harden and may require that traffic be restricted for a. 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. The unfortunate truth is that if this happens, you’ll have to replace the sand. Every project should begin with a clean work area. Bag for Concrete Paver Joints up to 2", Slate Gray with Contractor Tip. Does vinegar remove polymeric sand haze? Safe and natural: white vinegar & water Only use white vinegar when cleaning paving stones; dark vinegars can stain your pavers. Bad Weather Conditions. The added buffering ingredients. Oz. ): 18 in. To begin the process of how to remove polymeric sand from pavers, get a broom and sweep the surface to clean it as best as you can, to remove all sand from the surface and just leave the filled joints. Mix one vinegar with ten parts water and apply it to the affected area. Remove all sand residue with the leaf blower. Many times, homeowners and even contractors are unaware of poly sand haze. Polymeric sand may get removed from pavers by washing them with hot water. A sand mix should be mixed with water and an acrylic fortifier and used as bedding for the pavers. Products from the same manufacturer will work together well. 5. Once Gator Tile Sand sets, it becomes very firm and locks between the porcelain tile joints while still retaining flexibility and providing a long lasting, durable jointing material. However, the dust left behind also forms a white appearance. Efflorescence Cleaner Will Not Affect Polymeric Sand. Its almost goof proof . This product is capable of extremely effective cleaning and efflorescence removal without brushing or scrubbing. This happens when polymeric sand stays on the surface of the pavers. 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. It also causes cracks and gaps, because the sand hasn't fully bonded the entire depth of the joint. This 50-pound bag of polymeric sand covers up to 85 square feet. How To Remove Polymeric Sand Haze From Pavers. Depending on how thick the sand is, first start with a simple hose. In addition, it works best on joints that are between ¼ inch and 1. 3. 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. brush the area with a brush or bristle broom. Vinegar is an effective and affordable solution for removing polymeric sand haze. Paver sand can be found under different names, such as joint sand, all-purpose sand, or leveling sand. On the contrary, using too little can result in the product not setting up properly. Many times, homeowners and even contractors are unaware of poly sand haze. How do I remove dried paver sand off the pavers? Outdoor Living By Belgard. After installation, a hard rain on polymeric sand that has not fully set up could result in polymeric sand all over the top of the pavers. It can be used on all masonry substrates including brick, stone, synthetic stone, precast concrete, designer or colored block. This product is capable of extremely effective cleaning and efflorescence removal without brushing or scrubbing and. Polymeric Sand Haze . Product recommendation: UNILOCK POLYMERIC JOINTING SAND or POLYMERIC MAXAdvanced Haze Free Technology; For Traditional application, rain safe 1 hour after water activation; Can be used for joints up to a maximum of 1″ (2. Simply sweep Quikrete 50 lb. Polymeric sand improves the overall durability of the hardscape you install. But this isn’t an issue with polymeric sand, which reduces the amount of water that will work its way into the space between your pavers. Prevents weed growth, crack, etc. Because the sand is very coarse, you must use it regularly. 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. NMD 80 is a masonry cleaner that requires no respirator when working outdoors, preventing unnecessary fines. Immediately afterward, wet the same section for an additional 30 seconds until the joints are saturated. 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. Use a plate compactor to vibrate the sand down into the joints. Check Price on Amazon. Worse yet, a sealer may be applied to the pavers and will actually lock in the poly sand haze. Does vinegar remove polymeric sand haze?If poly sand haze has transpired on the surface, it must be cleaned with an acid-based cleaner. These binders help to hold the pavers in place and prevent them from shifting or moving. What can I use instead of polymeric sand?4 Polymeric Sand Alternatives: Pros & Cons (with Pictures)Builder's Sand. Use on bare concrete or clay pavers and slabs. However, when using polymeric sand,. Steps for Repairing a Bluestone Patio. The heat will reactivate the polymers in the product and allow the sand to be stripped away. 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. hose down and/or protect any nearby plant material. 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. When working on whatever driveway or walkway projects, to ens… Written By Wilkinson Lablen Saturday, June 25, 2022 Add Comment Edit. Settle the sand by compacting with a hand and/or plate tamper (with rubber pad to protect pavers). However, sand molds might be difficult to remove from patios with vinegar alone. The polymeric sand application is now dust free and haze free. For instance, it can be used with brick and concrete pavers for optimal results. Next, evenly spread the sand over the surface, filling the joints completely. Now that you understand a little more about what polymeric sand is and how it’s designed to perform, let’s move onto the causes for disaster. One of the best methods at your disposal here is to use a brick or block cleaner. Step 2. I strongly. . Cutting metal by hand can be done with a variety of tools or devices. On today's video, we discuss 7 reasons why polymeric sand fails. Another reason your patio pavers are turning white is due to polymeric sand haze. Copy URL. With our DOMINATOR Polymeric Sand, we recommend a short waiting period after installing the sand before sealing. This will cause the sand to consolidate. 2. Spillage while applying the polymeric sand; Rain before fully curing; Sand washing over paver edges; Foot traffic before the sand sets; Staining usually appears as smears or patches of discoloration on the paver surface, sometimes called polymeric sand haze or poly haze. This new generation of Intelligent Polymers neutralizes haze and dust. Here are the three reasons why efflo cleaning gets done after a poly sand installation. The added buffering ingredients allow NMD 80 to be powerful yet safe enough for glass and anodized aluminum. NMD 80 is a powerful detergent-based solution designed for safe and effective removal of mortar smears and efflorescence from masonry surfaces. Polymeric sands are sold as an alternative to standard sands for the final step of paver installation. Buy On Amazon. Following, spread the sand around with the broom. How do you make sand Harden? Does vinegar remove polymeric sand haze? Does water pass through polymeric sand?. It works great to remove polymeric sand haze. Water needs to drain from a paver application in order for the polymeric sand to perform like it’s. Sweep to remove dirt or debris. It works great to remove polymeric sand haze. This was installed in Nov 2014, pool water filled later Feb 2015. The dry sand, however, often leaves a hazy residue when exposed to water, and the residue may remain. . 4. Stretch a mason’s line across the patio from top of stairs to house. Some manufacturers of polymeric sands sell a polymeric sand haze-cleaner. 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. The added buffering ingredients allow it to be powerful yet safe enough for glass and anodized aluminum. Keep the pressure low to prevent sand from being removed from the joints. See, the heat will reactivate the polymers in the product and allow you to strip away the sand. The added buffering ingredients allow NMD 80 to be powerful yet safe enough for glass and anodized aluminum. Vinegar is an effective and affordable solution for removing polymeric sand haze. Gerda Cruickshank | Last update: Wednesday, November 15, 2023. Read the Material Safety Data Sheet before using this product. Reviews. I tested 2 bricks but don't like the look of it. It works on tight joints as well as joints as wide as 4 inches. Take care to leave the height of POLYBIND SAND G2 at least 1/8″ (3 mm) below top of paver’s surface or 1/8″ (3 mm) below the chamfer. It works great to remove polymeric sand haze. NMD 80 is a powerful detergent-based solution designed for safe and effective removal of mortar smears and efflorescence from masonry surfaces. The best way to remove polymeric sand from a paver surface is to use a hot water pressure washer at 180°F. 5 cm). Polymeric sand haze can often be prevented by following a few simple steps. It may also be polymeric sand haze, more difficult to remove but doable. If polymeric sand is installed prior to sealing, be sure surface is dry for 24 hours before applying sealer. Unlike polymeric sand, this product leaves no hazing, dust, or stains on stone surfaces. When all joints are filled, remove excess sand on surface. Many times, homeowners and even contractors are unaware of poly sand haze. The takeaway here: while you can’t control the weather, you can certainly control many aspects of your polymeric sand job. To remove the haze, you’ll need to mix white distilled vinegar and water in a spray bottle at a ratio of 1:2. It can be used on all masonry substrates including brick, stone, synthetic stone, precast concrete, designer or colored block. Step 4: Remove The Sand. STEP 3. 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. Spillage while applying the polymeric sand; Rain before fully curing; Sand washing over paver edges; Foot traffic before the sand sets; Staining usually appears as smears or patches of discoloration on the paver surface, sometimes called polymeric sand haze or poly haze. Typically, polymeric sand lasts for up to 10 years. 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. Its high-strength properties ensure. Mold on polymeric fill sand. 3 Does polymeric sand get soft when wet?The best way to remove polymeric sand from a paver surface is to use a hot water pressure washer at 180°F. GATOR MAXX G2 is recommended for a variety of uses including pool decks, patios, footpaths, driveways, parking spaces, pavements, etc. Here, you’re. ( 975) $35. section** to set the sand (10 to 15 seconds). 2his can be done with a garden hose fitted with a jet nozzle, or it can be carefully done using a pressure washer. Compact The Sand Well. Increments of 49 are required. If a haze residue is still present after it dries, apply S. The joints are watered without first removing the poly dust from the surface, which. Finally, it is resistant to pests and bug infestation. Bag, (Slate Gray) Advanced Haze Free Technology Can be used for joints up to a maximum of 1 inch (2. Using a Leaf Blower. Step 1: Add Sand Between the Pavers. If you are using a power washer, make sure to use the lowest setting to avoid damaging the pavers. NMD80 SDS. The blue stone was laid on a dry base which consisted of four to six inches of minus compacted, with about a half inch of sand and then the stones. 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. I sprayed the mud down, and got a leaf blower (on the lowest setting), and blew the water/mud off. It is vital to ensure that the weather isn’t going to count against you when you use polymeric sand for any project. It wasn't until after I read the package of gator dust and it says that it may leave a residue on concrete products. Upgrade your Lenovo T430 (RAM and diffi…This means using a compacted hardcore foundation approximately 4-6” deep. 98. 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. Th. Sometimes vinegar can be used unless the poly sand haze is severe. Works great to remove polymeric sand haze. 8. The added buffering ingredients allow NMD 80 to be powerful yet safe enough for glass and anodized aluminum. Doesn?t take too long f. (To remove the stains, some suggest scrubbing with vinegar. 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. Step 1: Remove Objects and Debris. How To Remove Polymeric Sand Haze From Pavers Written By Wilkinson Lablen Saturday, June 25, 2022 Add Comment Edit. Anything else will be an exercise in futility. Remove all sand residue with a leaf blower. Lightly scrub. Second: you should keep this sand away from moisture, it will stick to a wet stone, it will even form a film on the stone on a humid day. Next, pry the stone up by pushing the screwdrivers in an outward motion until you can grab the stone with one of your hands. Steam Pressure Washing If the haze is fairly thick but hasn’t been allowed to harden for too long, you may be able. . Works great to remove polymeric sand haze. Sweep-in mixture designed to harden. You can spray the mixed solution on the haze and rinse it off as per instructions. 9 kg | 35 lbs (bag) 40. How long does it take for Techniseal polymeric sand to dry?Product must dry at least 90 minutes before being exposed to water. When you experience a haze left behind by a NON SEK-Surebond Polymeric Sand, you will need to first apply SureStrip according to application instructions to remove any polymers that may be present. Simply remove the old sand completely and apply Techniseal Jointing Sand. The 4 Polymeric Sand Alternatives. 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. If you only have a crust, you don't have a proper bond in the joints. Does vinegar remove polymeric sand haze?If poly sand haze has transpired on the surface, it must be cleaned with an acid-based cleaner. Ruth. The formula prevents weed growth, damages caused by insects, and erosion due to freeze-thaw cycles, rain, and wind. Does vinegar remove polymeric sand haze? If poly sand haze has transpired on the surface, it must be cleaned with an acid-based cleaner. 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. This strips the polymeric sand off easily so that you can reapply a fresh new set of polymeric sand. It works great to remove polymeric sand haze. Works great to remove polymeric sand haze. Polymeric joint sand will essentially harden like concrete between your pavers. Epic Fail #1: Too much or too little watering. Removing Old Polymeric Sand and Paver Haze / Re sand and Sand Lock Seal Pavers Chandler #2. In most cases, it is best to completely remove the paver sealer using a stain or sealer stripper. If there is any moisture present, it will cause the polymers to prematurely activate, leaving a haze on the surface or the sand won't set up properly. Can also be used as a general masonry cleaner and efflorescence remover. If there is still some light haze remaining, you can use a stiff-bristled brush to agitate the sand and remove the haze. X-Treme™. To remove polymeric sand haze, it is necessary to know what polymer sand consists of. Using a shovel or a putty knife, remove the loosened sand from the. The added buffering ingredients allow NMD 80 to be powerful yet safe enough for glass and anodized aluminum. Poly Sand Haze Tips If poly sand haze has transpired on the surface, it must be cleaned with an acid-based cleaner. Using too much water can cause the sand to wash out of the joints. Sometimes vinegar can be used unless the poly sand haze is severe. 9. 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. • Dry the area with a clean cloth. 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. In such cases, a pressure washer can be an effective tool. The added buffering ingredients allow NMD 80 to be powerful yet safe enough for glass and anodized aluminum. 5 bags of sand : 1 bag of cement. Once the polymeric sand cures (about 30 days), pavers and joints should be sealed with a quality sealant to protect the pavers from stains and the joints from erosion and insect infiltration. Do you have any other ideas or suggestions remove the sand? Perhaps sand paper along the top to remove the white? Additionally, you can use a stiff bristle brush to help scrub off any remaining polymeric sand haze. Rinse immediately and thoroughly. This product is capable of extremely effective cleaning and efflorescence removal. Many times, homeowners and even contractors are unaware of poly sand haze. • Removes cement slurry and polymeric sand haze. Outdoor Building Decks & Patios How to Remove Polymeric Sand From Pavers By Shelley Hoose, Master Gardener Updated Jul 18, 2022 Image Credit:. To remove polymeric sand haze, it is necessary to know what polymer sand consists of. This is a white, filmy substance left on your pathway after installation is complete. It requires no respirator when working outdoors, preventing unnecessary fines. Using White Vinegar and Water. You want to reactivate the polymer and about the only way to. Pour sand onto pavers, focusing on the joints. Polymeric sand, while widely used in construction projects for it’s benefits such as durability and stability, poses significant hazards that can’t be ignored. Watch on. Pretty every single manufacturer of polymeric sand in the marketplace has three main ingredients: Quartz silica. Begin by brushing the surface of the patio or walkway with a stiff-bristled broom. Tan Polymeric Sand. How to fix a paver sealer that has turned white depends on the severity of the issue. It works great to remove polymeric sand haze. This new generation of Intelligent Polymers neutralizes haze and dust. It can also be used as a general masonry cleaner and efflorescence. The blog post will cover all relevant information under the following heading: How Do You Remove The Haze From Polymeric Sand. 7 kg | 50 lbs (bag) 56. Model Number: 189-1168 Menards ® SKU: 1891168. This is the one-sand solution for paver joints. The sand must provide some of the following features –A strong bond between the joints. 1. If polymeric sand is installed prior to sealing, be sure surface is dry for 24 hours before applying sealer. The paver sealer stripper should be applied according to the label instructions. Step 2: After brushing, rinse the area. Compressed air and a brush come in handy for removing the last bits of dust. Removing Polymeric Sand from Paver Patio. 7. Steam Pressure Washing. The best way to remove polymeric sand from a paver surface is to use a hot water pressure washer at 180°F. NMD 80 is a masonry cleaner that requires no respirator when working outdoors, preventing unnecessary fines. Toggle menu. Unlike regular sand, polymeric sand will not be washed away by heavy rain; in addition it is a weed and insect deterrent. 5″ (3. Moreover, for the best results, as mentioned. Slurry is caused by cutting stone. If they did not use polymeric sand, the best recommendation would be to remove the joint sand and rejoint with Techniseal HP NextGel Polymeric Sand,. SKU: 200094751 Categories. Works great to remove polymeric sand haze. It requires no respirator when working outdoors, preventing unnecessary fines. EZ Sand 40 lbs. When this sand is wet, it begins to activate polymers, which in turn toughens the numerous components and locks the pavers. CasaScapes polymeric sand is a unique mixture of polymer binders and calibrated sand available in Beige and Grey. 7. From the sweeping to the watering, these are the reasons why polymeric sand may fail. It works great to remove polymeric sand haze. Once hardened, it will resist joint wash-out, lock in paver sand and reduce weed growth. . POLYMERIC SAND FOR JOINTS UP TO 2˝ IN DRAINAGE APPLICATIONS NO DUST • HAZE FREE • NO BLOWER • ONE WATERING •RAIN SAFE AFTER 15 MINUTES DESCRIPTION (FOR RESIDENTIAL APPLICATIONS) SUPERSAND G2is made with a state-of-the-art manufacturing process. The sand is misted with water to react and create a binding agent that solidifies the sand. 1. 8. EaCo Chem, Inc. 6. 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. Specifically, calibrated sand is mixed with sophisticated intelligent polymers. Thus I had a dull haze on our walkway. Regular maintenance, including sweeping, rinsing, and using a polymeric sand. Which polymeric sand is best?Below, find picks for the best polymeric sand in a range of categories. This blowing action is necessary to help remove any remaining DOMINATOR POLYMERIC SAND residue left on paver surfaces. Advanced technology makes polymers dry clear, ensuring a haze-free installation. Author: Mrs. What Is the White Haze From Polymeric Sand? The white haze that forms on paving stones after using polymeric. There are a couple of drawbacks to polymeric sand. The paver sealer stripper should be applied according to the label instructions. Polymeric sand haze, improper use of sealants, and poor drainage may also create a white residue. Level and straighten: Use a level to make sure your pavers are flat while. Polymeric sand improves the overall durability of the hardscape you install.