How to apply polymeric sand to interlock. Phone: (613) 219-9862. How to apply polymeric sand to interlock

 
 Phone: (613) 219-9862How to apply polymeric sand to interlock Pour the polymeric sand over the surface and spread it carefully along the pavers using a push broom

Product Description. This sand will create the structure in the joint which helps to interlock the system together. interlocking pavers. Note: Polymeric sand is more suited for use in narrow, even-sized gaps, such as those between brick pavers. PowerLoc paving sand is a polymer-based product that prevents it from washing out or cracking. Go with SAKRETE, The Pro's Choice since 1936. Then scrape away as much of the stuff as you can. We also remove weeds that grow between interlocking crevices. We have compiled a list of in field Do’ s and Do Not’s in an effort to make your experience with these sands a more favorable one. A polymeric sand installation requires the use of a controlled and methodical watering technique. Polymeric sand is often used between joints in pavers to improve the stability of the structure. BEST OVERALL: Black Diamond Coatings Dominator Polymeric Sand. First, use the utility knife to open the sandbag. Suitable for sweeping into spaces between pavers. Using the hard bristle broom, sweep the sand all around the pavers, directing them to the grout lines and spreading it evenly across the entire area. Polymeric Jointing Sand is a polymeric-modified graded sand for filling joints up to 2 wide between interlocking pavers, brick, natural stone and concrete slaps. Polymeric sand is installed into the joints of interlocking concrete pavement. Available in: 50 lb. As reported by Western Interlock, polymeric sand is also an insect deterrent. Tap the pavers with the wooden end of the trowel. Reapplying polymeric sand over an existing one is not recommended, as the original sand may be dirty and won't stick. To ensure that this important step is done right, we recommend that you generously water the sand until a thin whitish layer starts emanating from the paver joints. Step 5: Mist. A high quality polymeric paver fini. Jointing sand – – is a fine and coarse sand mix that will lock the pavers together by friction. Pressure wash the sand out of the joints. 2. As jointing material As you may know, polymeric sand is primarily used to fill the joints between interlocking pavers. Where other sands and grouts can crack allowing weeds to flourish, Joint-It Fine is naturally formulated to increase pH levels in the. The initial showering should. If you install pavers and interlock them with polymeric sand but skip the compacting process, the joints will loosen and break soon enough. This eliminates any risk of weed growth and ant infestation that could affect the overall aesthetics and durability of paver projects. The first step in polymeric sand installation is to thoroughly clean and dry the concrete paving stones. Polymeric sand is water activated and hardens after curing. I'm just coming to the end of finishing a 1300 sqft interlocking brick patio/driveway AND I'm looking at using polymeric sand instead of reg sand to fill the joints. 40 lbs. It is recommended to use a rubber or urethane protective pad. KING has been Mixi. This is the process of moving that jointing compound to the bottom of the paving stone. Once activated with water, the gelling agent causes the sand to clump together. To achieve interlock in concrete pavers it is necessary to use course particle sand & lodge the sand into the paver joint. Use a brick/block paver cleaner, or an acidic vinegar solution to clean the haze. PRE-BAGGED PRODUCTS POLYMERIC (HARDENING) SAND CEMENT MIXES ASPHALT REPAIR SILICA SAND GATOR SUPER SAND BOND High Performance Polymeric Sand For Concrete Paver, Wetcast & Natural Stone Joints up to 1″. Apply white vinegar to dirty and stained pavers with a spray bottle, so that it distributes evenly. Powered with ceramic flex technology, a technology found only in the most advanced polymeric sands, it’s a blend of polymers of fine sand. How To Apply Polymeric Sand To Interlocking And Pavers by civil engineering hacks - YouTube Sand sealing is generally done to seal the pores after premix carpet work is. See full list on westerninterlock. Sweep off any excess material cleaning the surface of any granules of the material to avoid scuffing the pavers in the next step. A compactor isn’t necessary to apply polymeric sand. Settle the sand by compacting with a hand and/or plate tamper (with rubber pad to protect pavers). After applying the jointing sand, compacting is advised and then adding more sand. However, it’s as easy as click-and-drop. In this video, I show you some brick paver maintenance with polymeric sand. In this do it yourself video you'll learn how to apply polymeric sand to pavers and interlocking stone joints. A cost-effective alternative to HP Nextgel for smaller-duty jobs. what is polymeric sand. I want to address all three of those,. Sweep sand into joints with a broom. ft. Finally, use a hose to wet the sand and allow it to harden. Superior to regular sand for paver and slab joint applications, Stone Mason® Magic Sand/Paver Locking Sand is an advanced polymer-modified binding joint sand. If the sand has come loose over time, pressure wash first, then apply new sand. To apply polymeric sand: Remove all weeds from between your bricks. Specifications. It's best to remove all the remaining sand first before putting in the new. Instead of sand, you can also use a small chip stone called “ASTM #9s,” “HPB” or “clear 1/8″ chip. Support this channel at you’ve got pesky weeds growing in your interlocking, using Polymeric Sand is a great way t. Pour poly sand out over the pavers. These heavy-duty materials can be used in between both pavers and slabs. Pour polymeric sand into joints. Step 1. Sweep OPTIMATRIX Polymeric Jointing Sand evenly into the pavement joints using a push broom until the joints are completely filled. This will create some vibration and compact the sand. Pack in between the pavers using Polymeric Sand. Which means you have to remove all the old sand. It also requires at least 48 hours before vehicular activities are allowed on pavers with polymeric sand. Remove any excess sand from the top. 1. Depending on how thick the sand is, first start with a simple hose. After installation of block pavers, before applying polymeric sand, run the tamper (with rubber mat under the tamper to prevent damage to paver’s surface) ov. In short: sweep the stone dust into the joints, hose down. Step 4: Apply the sealing product. 12. I typically reapply polymeric sand to my interlock every 2-3 years in specific areas of the interlock. The hot water will re-activate the polymers in the sand and will help in the polymeric sand removal. QUIKRETE® PowerLoc™ Jointing Sand is a polymer-modified graded sand for filling between interlocking pavers, brick, patio blocks and concrete slabs. Polysweep Polymeric Sand is designed specifically for pavers, natural stone, cast stone, cobblestone, concrete overlays and pool decks. Sweep the sand all over on the paved surface with a dry, stiff bristled broom. Once FLEXLOCK SAND polymeric sand sets, it becomes very firm and locks between the paver joints while still. Labor. After applying the material to the paved surface, the sand is sprayed down with water. Rake the sand back with a 2×4, maintaining an even slope (Photo 11). Proper installation of polymeric sand involves compacting the sand for a tightly compacted joint that will last longer. BUT it is a significant step up in price ($25 -. 2. Polymeric sand is used to fill in the joints or seams between concrete pavers or natural stone. •••. I show you the entire process for interlocking, but the same process can be used to apply polymeric sand. For added durability and lower maintenance, seal the pavers with an appropriate sealing product. A long-lasting finish. Be careful not to get too much sand on the top of the pavers. Commercial and residential applications. Yet, mason sand lacks the coarseness needed for proper interlock. Exterior Use. We now offer water-permebale polymerics sand! Until recently water-permeable interlock joints needs to be filled with small rocks instead of sands. Proper installation of polymeric sand involves compacting the sand for a tightly compacted joint that will last. Once you’ve scrubbed, rinse the pavers with the hose, but not a pressure washer. You can use this leveling sand for interlocking pavers, flower bed edging, retaining walls and patio stones. Although you can use the same sand you used for your bedding sand, it typically makes for an easier installation if you use a finer, coarse sand (approx. Sweep polymeric sand into the joints. •••. Never pressure wash polymeric sand immediately after you install it because it will ruin it. When put in contact with water, this substance. Surebond Polysweep Polymeric Joint Sand. Polymeric sand is a great way to fill the gaps between pavers to prevent weed growth and to help keep the pavers in place. The process is quite DIY-friendly, making it a convenient solution for issues associated with patios. Before the coat is dry, apply sand over the binding solution. This video will show you how NOT to apply Paver Sealer to your driveway and will also explain the Top 3 tips and mistakes people do when applying sealer. Let it sit to help bring up stains, or just start scrubbing with the broom or the scrub brush. Ottawa, Ontario. Installing Polymeric Sand The introduction of Polymeric Sand to the interlocking paver industry has had a positive impact when the application works as intended. The initial showering should. Launched in the early 2000s, polymeric sand is a material that is manufactured specifically for jointing paving slabs and brick pavers. . how much polymeric sand do i need Home; ContactUse a broom with soft bristles; never try to use a wire brush. Backed by a 15-year limited warranty. Sika FastFix-110 is easy to use and can be applied by both professionals and DIY enthusiasts. Move the brush in a sideways pattern brushing areas most affected by sand buildup. Paver joints need a mixture of coarse and medium sand to allow complete filling of the joint. 40 lbs. drying and curing time is important too. Remember, you shouldn’t over-pour the sand initially. Seal your pavers. This thickness creates excellent drainage under your pavers while blocking light that any underlying weeds need to sprout. The Polymeric sand is the weakest part of the Stonedecks system as it is where any movement has to occur. What happens is that when you activate the poly sand with water during installation, there is an active ingredient that comes out of the sand product. Proper wetting of the polymeric sand is essential for optimal stabilization of paver joints. You can buy stone dust at most stone yards and quarries. More joint sand can be reapplied until full. 4. Sweep the jointing material over the surface following the manufacturer’s guidelines and filling the joints of the pavers. This active ingredient needs to be blown off of your patio. Cement based sand was created to combat this problem, but it can become brittle and crack over time. With the sand exactly where I wanted it, I grabbed the hose and set it to the “shower” mode. It's important to ensure there is no. Make sure you test the pressure washer in an inconspicuous area first, before washing the entire patio. Digging out the path to a depth of between 8 and 9 inches makes room for 4 to 6 inches of gravel. With a polymer binder, ROMEX ® NP Jointing Sand is a self-hardening jointing sand that overcomes the shortcomings of cement grouting. This glue holds the sand in place so that when it rains or running water, the water will not wash away the sand. Leveling Sand for up to 1 sq. Sweep. The stones were back rolled. Joint compounds also can handle winds, higher temperatures. After applying the material to the paved surface, the sand is sprayed down with water. GENERAL INFO. It allows joints to resist erosion, weeds and insects. In terms of the day-to-day appearance of your pavers, polymeric sand may offer a cleaner look than regular sand. Unlike regular sand, Polymeric Sand resists insect infestation, weed growth and erosion caused by rain, frost, wind, suction, etc. Use specialized extractor tools to remove the pavers that must be reset. Sweep another layer of sand and compact the pavers again. Continue to fill the gaps until the sand is flush with the faces of the bricks and won’t settle any farther. The sand remains hard when dry and flexible when wet. Known a. UNDER-WATERING causes the polymeric sand to simply form a "crust" on the top. It is white in appearance. If you recall, we used some leftover paver sand to fill the cracks between the stones instead of spending the $95 that the stoneyard would’ve charged for a delivery of the polymeric stuff (which has some. In order to ensure the creation of a less permeable, compact, and unwashable sand layer, the material is created in such a way it hardens when wet for the first time. The original sand may be dirty and is already old so they won't stick together properly. This active ingredient needs to be blown off of. . Step 2. The joints need to remain filled with sand 1/8 inch below the paver edge or chamfer. 2. The best polymeric sand for your pavers to increase durability and give a finished look. This sand "locks" the pavers in place. Step 2: Sweep the Sand Into the Cracks. It is rain-safe after 15 minutes, meaning it will not wash out of the joint. Superior to regular sand for paver and slab joint applications, Stone Mason ® Magic Sand/Paver Locking Sand is an advanced polymer-modified binding joint sand. Let’s move on to Polymeric Sand now – this one’s an interesting pick!. For added durability and lower maintenance, seal the pavers with an appropriate sealing product. It is specifically designed to fill the joints between pavers, and features a mix of smaller and coarser particles that lock together. SmartSand ® Polymeric Sand from Techniseal is a mix of ASTM C144 graded sand and binder that provides a stable joint between interlocking concrete pavers exposed to normal traffic1. To stop weeds from growing between pavers, remove any existing weeds by hand, and replace the joint sand with polymeric. 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. 5 ft2. Simply. Easy step by step application of polymeric sand for your pavers so you end up with a beautiful professional looking finish on your pavers! (Product used spe. Product Overview Description. It should also be installed 1/8″ below the top of the product or the bottom. Polymeric sand is water activated and hardens after curing. DYNA® OPTIMAX Premium Polymeric Jointing Sand is a dry mixture of calibrated sands, polymers, binders, and dedicated chemical controlling agents specifically designed to bind firmly and easily together in horizontal pavement joints. On the contrary, using too little can result in the product not setting up properly. Step-by-Step Instructions. A bag is dumped onto the paving surface and. Its high-strength properties ensure a durable and smooth surface. Model # 695867 Store SKU # 1001813714. Polymeric sand typically takes anywhere from 6 hours to 2 weeks to dry, depending on moisture and weather conditions. It is recommended to compact in alternating directions to prevent air bubbles or voids. Nov 24, 2004. H, you can also use the sand for paver leveling or as paver joint sand. Silica sand. The polymer modified sand hardens as it dries. Not only will polymeric sand improve the strength and durability of a surface, but it will also help resist damage. The pavers are then compacted again until the joints are full. Pour. Sweep the Sand Into the Cracks. The kiln-dried sand flows freely to deeply penetrate and fill the void between pavers. That said, during application polymeric sand looks almost the same as normal sand (except that. Polymeric sand is also easy to find but will cost you more—anywhere from $20 to $90 per 50-pound bag. Step 4: Clear the Surface of the Pavers. It is more flexible than fine dry sweeping sand but should not be used in driveways. . To ensure the joints are fully packed with sand, repeat the sweep and vibrate steps one more time. At first the paver sand looked great in those cracks…. Clean patio stones with a pressure washer or cleaner. Take care not to step in the sand or compress it. Step 2: Sweep the surface. The Challenge of Sealing Porous Pavers. . Installation video for Techniseal's SmartSand Polymeric sand for pavers and slab joints. Its high-strength properties ensure. First, the polymeric sand must be firmly activated into the joints between the stones. 3. In this do it yourself video learn how to use polymeric sand for. This will vibrate the sand to the bottom of. With a push broom sweep it into all seams of your paver surface. As for the cost, it is really inexpensive, yes the bag may be $20 bucks or whatever, but you use very little of it to fill the gaps. ) For regular interlocking paver joints ( ⅛” to ½” wide) ; One 40 lb bucket can cover up to 55 sq. Prevents insect infestation. This video is a step by step guide on how to prepare and seal your interlock paving stone patio using Seal Kings' High-gloss Paving stone Sealer and Polymeri. Once PowerLoc™ Jointing Sand is swept into the paver joints and dampened with a water mist it hardens, locking pavers into place. Sand, or silica, makes up 80 percent to 95 percent of the mixture and is the primary ingredient in jointing sand. It allows for some movement of the pavers without lossof the jointing sand. Composition: Medium grained: Primary Use: Foundational base and paver joints: Polymeric sand is essentially a sandy, granular. Polymeric sand is a product made to fill the joints between pavers and flagstone. Make sure you give your patio a good clean wash to remove all signs of the sand. DOMINATOR Polymeric Sand - Best for Professional Use. 2. Nov 24, 2004. First, wet the area where the pavers will be installed. Better interlocking of pavers. We use a high-pressure washing machine to clean out the old sand from in between the interlock cracks. . Sealing Experts - Over 15 years of experience in property maintenance. Applying polymeric sand involves pouring it into paver joints, watering it, and allowing it to set for a few days. Sealant: $40–$200. Read More Polymeric Sand: Exploring the Benefits for Paver ProjectsWhen you use polymeric sand, erosion is curtailed to a large extent because it binds the stone tightly. MACenstein'sMonster Discussion starter. Simply sweep the sand into the joints and saturate with a water mist. This can be done by using a broom or a rake. Many people have had bad experiences with old patios made with polymeric sand using previous technology, but the product has changed. 5. Joint compounds, on the other hand, can last as long as 20 years if correctly installed. Using too much water or too much pressure can cause the polymeric sand to wash out of the joints. Next, try a pressure washer. Use a broom to fill gaps. Polymeric sand is composed of primarily small particle sand, which is designed to become hard when you wet it. Step 2. In the same way that CaptSmethwick mentioned, new sand will not sit on top of old sand, but if you have areas that are deep, the new sand will adhere. A more aesthetic appearance of paver joints. Benefits from the Nextgel technology for cleaner application and faster wetting. Put on appropriate safety gear: a mask and goggles will. Sand, or silica, makes up 80 percent to 95 percent of the mixture and is the primary ingredient in jointing sand. Whether your problem is just a few bricks, or a complete interlock restoration, nothing is beyond repair. 3. SAKRETE PermaSand is a joint locking material used in place of regular sand to stabilize pavers, stone or blocks. The advantage of polymeric sand is its binding properties, which is part of the whole 'interlocking' thing of pavers, and it's resistance to being washed away. Keep in mind that if you have pavers, you should apply polymeric or dry sweeping sand between the joints. It is blended with fine sand and premium grade polymers to create a flexible and superior bond between pavers. Polymeric sand is essentially a sandy, granular material that is used within the joints and cracks between pavers to interlock the units and preserve the integrity and beauty of the stone pavers. Mist stones & sand with a garden sprayer 3-4 times in one hour. It should be established according to manufacturer instructions. 1)The professional approach to sealing monoblock, cobble and blockpaving using a roller kit. FLEXLOCK SAND is a unique mixture of polymer binders and calibrated sand available in Sandy Beige and Graphite Grey. Let sit for 10 to 15 minutes, then rewet with a light mist. In fact, you can even apply it an the sand under your pavers at the moment of installation. Measure with a micrometer, mark with chalk, cut with an axe. 1 – Pour the Sand. In smaller areas, pour in more from a clean yogurt cup and use a hand broom. Save Share. Use a large push broom for a large area, or a small push broom for a small area. 88 upvotes. Seal your pavers. Now brush away any excess sand on top of the bricks or stone. Application Tips. First, wet the area where the pavers will be installed. Patios crack and wither away over time, be it due to human activity, the weather, or simple aging. It is definitely a good option, but slightly more expensive. Traditional masonry sand is swept into the paver joints to fill the joints. Use a soft bristle broom and fill the gaps to their full depth. If your surface has a slope, start at the lower end and work your way up. Read the Instructions. It is not a DIY project and one that is best left to the experts. Repeat in sections of four until finished. Applying polymeric sand involves pouring it into paver joints, watering it, and allowing it to set for a few days. Benefits from the Nextgel technology for cleaner application and faster wetting. Perfect for the jointing of Interlocking Paver. It's important to ensure there is no. We pressure wash the old material out from the joints and replace it with new polymeric sand. 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. . 1. SAKRETE PermaSand is a joint locking material used in place of regular sand to stabilize pavers, stone or blocks. Activate With Water. DOMINATOR Polymeric Sand - Best for Professional Use. It takes about a minimum of 24 hours for polymeric sand to completely set. ”. Tamp the pavers and sand to a consistent level. Make sure there isn’t any dampness prior to diving right in and dumping those. Unlike regular sand, it stays in place and remains stable. This item shall consist of a surface course composed of interlocking concrete pavers set in bedding sand on an approved base course constructed in accordance with the Plans and Specifications. During this step, make sure that the sand fills all of the gaps between the pavers. y_2023, m_11, d_22, h_6CST; bvseo_bulk, prod_bvqa,. The material will settle when you hose it down, so repeat. Some excavation companies also sell it, along with the crushed stone, sand, gravel, bricks, flagstones, etc. POLYMERIC SAND. It will withstand heavy vehicular traffic. Interior vs. Ideal for stabilizing horizontal or sloping works such as driveways, patios. Our repairs last. Patio pavers; Driveway pavers; Fire pits & fireplaces; Retaining walls; Permeable pavers; Popular Products. Use a stiff bristle brush to push the sand into the joints. Composed of a mix of graded sand and binder that flows smoothly down joints, it allows for a fast and effective installation of pavers. . Grout is generally an interior joint sealer, whereas polymeric sand is usually an outdoor joint sealer. There will always be a few ant hills that manage to get built in the cracks. Coated with a water-activated polymer, the grains of polymeric sand stick together when dampened, producing a seal that looks like grout and makes a stronger. Compare. Always use cold water because warm water can warp the polymeric sand. 5. . I'm hoping a shop vac can remove the dry. Some polymeric sands contain cement, and this can create an unflattering haze that can be hard to remove. Polymeric Dust. Polymeric sand usually lasts three to five years but can last up to 10 years if appropriately applied. com As jointing material As you may know, polymeric sand is primarily used to fill the joints between interlocking pavers. It is ideal for stabilizing horizontal or sloped installations. Can be used for joints up to 2". If you're looking for a way to improve the look and feel of your pavers, polymer sand for pavers may be the right solution for you. Applying Polymeric Sand for Paver Joints. Warranty. Step 3: Tamp the Pavers. Polymeric sand improves the overall durability of the hardscape you install. You can pressure wash polymeric sand if you use cold water. Polymeric sand needs to be replaced periodically. Note: Polymeric sand is more suited for use in narrow, even-sized gaps, such as those between brick pavers. Once your pavers are laid in place, you must sweep it over the designated surface, making sure it reaches the gaps between each stone. While the lifespan of any surface or paver joint can vary based on the climate and product type, polymeric sand usually lasts for 10 years. Durability and Longevity. Next, you’ll vibrate the sand even further down into the joints using a plate compactor. increments). A water-activated polymer is introduced to the sand. Polymeric sands have really come along way since their inception in 1999 by Techni Seal. Clean your interlocking bricks (a pressure washer can accomplish this and the previous step at once). 01K subscribers. Maple. 'How to' Correctly Apply Block Paving Sealer by Roller (Pt. Helps prevent weed sprouting and damage caused by insects. Next, spread a layer of sand over the area and use a broom to work it into any cracks or gaps between the pavers. Polymeric Sand is a high-tech mix of graded sand and binder, specially formulated for the filling of narrow or wide joints when installing pavers, slabs or natural stones, or when. Powered with ceramic flex technology, a technology found only in the most advanced polymeric sands, it’s a blend of polymers of fine sand. Depending on the type of concrete sealant you use and the conditions in which you. Known as paver. Compact sand into pavement joints as prescribed by ICPI Tech Specs. 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. Installation video for Techniseal's SmartSand Polymeric sand for pavers and slab joints. Then, using your broom, sweep the sand into any joints until the appropriate level is reached. A strong and reliable jointing solution for interlocking pavers. Interior vs. A cost-effective alternative to HP Nextgel for smaller-duty jobs. 3. Mist stones & sand with a garden sprayer 3-4 times in one hour. It is a calk like substance, applied with a caulking tube that has sand mixed in it. Not using the click-and-drop method. SEK’s PolySweep is made with a blend of native sands conforming to the ASTM 144 standard, and polymer binders that allows the joints to expandAccording to experts, it isn't ideal to reapply polymeric sand over an existing one. Polymeric sand is a special type of sand used to fill the joints between pavers to create a strong, interlocking paving surface. It is recommended to use a polymeric sand for paver joints larger than ⅛” wide as it hardens immediately once water is applied. The jointing compound, or polymeric sand if you choose, will preserve your paver investment by protecting your patio, pool deck, driveway, or other hardscape feature from the effects of frost, erosion, weeds, and insects. Create a mixture of the water and soap and pour it onto the pavers. First, you sweep off the tops of the pavers. Settle the sand by compacting with a hand and/or plate tamper (with rubber pad to protect pavers). Polymeric sand also doesn’t work well when mixed with other types of sand. Sweep away any leftover or unused sand or aggregate product. Place a level on top of the paver and tap it gently with a rubber mallet until it is perfectly level. Choosing a good quality polymeric sand will make it easier to apply and you’ll end up with a much cleaner finished look. Polymeric dust is simply polymeric sand that has. ft. 4. How to use polymeric sand with brick pavers? Step 1: Spread the Polymeric Sand. Next is silica sand. We also remove weeds that grow between interlocking crevices. some places develop divots that need more sand. Polymer sand will help seal the gaps and keep the weeds growing. . For more tips on laying pavers, check out our guide — How to Design and Build a Paver Patio. High quality, graded, washed, flame-dried sand with a unique granular structure ; Ideal for filling voids between interlocking pavers, stones, bricks and slabsProduct Details. . SmartSand® Polymeric Sand from Techniseal® is a mix of ASTM C144 graded sand and special polymers that provides a stable joint between interlocking concrete pavers exposed to normal traffic. This new generation of Intelligent Polymers neutralizes haze and dust. Natural sand has a loose and porous structure with low strength, and is prone to many geoengineering problems that cause huge losses.