The polymeric sand that I used recommends showering 30 square feet for 30 seconds, until the water starts to pool and the sand repels it. 9145 Fassett St SW Olympia WA 98512 (360) 878-9301 . - use broom to sweep around the cracks to make sure sand are in and fill up, do this few times. Polymeric sand is a type of sand used in the joints of interlocking pavers, which hardens after getting wet to prevent weed growth, insect infestation, and erosion. Polymer modified graded sand for filling joints between interlocking pavers, brick, natural stone and concrete slabs; Can be used for filling joints up to 2" wide; Simply sweep the sand into the joints and saturate with a water. One of the most concerning hazards is it’s potential to cause serious damage and irritation to the eyes. Step 2: Sweep the Sand Into the Cracks. I am looking for a low maintenance, longer lasting solution. Sweep away any leftover or unused sand or aggregate product. 1 SPREAD THE SAND BEFORE YOU BEGIN: • Test product on a small zone. The process is quite DIY-friendly, making it a convenient solution for issues associated with patios. A roller compactor is preferable in the case of slabs. Use the spirit level (length, width, and diagonally) to accurately ensure the paver is level. • Check the weather forecast: no precipitation for the next 90 minutes. Step 3: Tamp the Pavers. Choosing the wrong polymeric sand. A more aesthetic appearance of paver joints. With rain and heat, those cracks will disappear. The video I'm watching suggested to use polymeric sand between the bricks. A smart choice for residential installations such as Driveway, pathways and Patio. During this step, make sure that the sand fills all of the gaps between the pavers. Here’s how. Once the pavers are clean, it’s time to seal them. 9 Expert Tips On Using Polymeric Sand from If you chose polymeric sand to seal the joints it can last up to 10 years! You can trust jhc landscaping with your interlock sealing and sand application because we know all the trade secrets. 50lb Bag Of Alliance Gator Maxx G2 Polymeric Sand For Pavers And Natural Stone Joints Up To 4" In Diamond Black. Reviews. Settle the sand by compacting with a hand and/or plate tamper (with rubber pad to protect pavers). Tamp the pavers and sand to a consistent level. Step 4: Apply the sealing product. This new generation of Intelligent Polymers neutralizes haze and dust. Pass a vibrating plate (or use the rubber mallet) over the entire surface a second time. GATOR MAXX G2 is recommended for a variety of uses including pool decks, patios, footpaths, driveways. If you plan to use polymeric sand for the joints, read the label. Following weather guidelines when applying sealer and installing polymeric sand will help lead to a successful outcome of the project which leads to a happy customer. Ensure no sand is sitting on the pavers themselves, even if you have to sweep individual pieces; polymeric sand is hard to remove once wet. Polymeric sand (for repairing pavers): $25–$30. 2 coats of our industry leading sealer is applied to restore and protect the natural beauty within your interlocking pavers. 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. Place a level on top of the paver and tap it gently with a rubber mallet until it is perfectly level. Below, you’ll find the steps to kill weeds on your brick patio: Remove all weeds in between pavers. Fortunately it is super simple to repair. Each bag will cover approximately 85 square feet, although the coverage can vary depending on the size of the paver or joints. Just like all-purpose sand, polymeric sand comes in a wide range of colors. Where other sands and grouts can crack allowing weeds to flourish, Joint-It Fine is naturally formulated to increase pH levels in the. There are specific polymeric sand cleaners that are designed to de-haze the finish. Sika FastFix-110 is easy to use and can be applied by both professionals and DIY enthusiasts. 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. Use a plate compactor to vibrate the sand down into the joints. 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. some places develop divots that need more sand. If you used a 3/4" angular crushed stone for the base and concrete sand for the bedding, then the ideal jointing compound to use would be regular jointing sand or polymeric sand. The pavers are then compacted again until the joints are full. Unlike regular sand, polymeric sand is impervious. A&Z Interlock Design & Build. Unlike regular sand, polymeric sand contains a binding polymer that activates when wet, locking the sand particles together and creating a durable, solid joint that resists weed growth and insect infestation. Proper installation of polymeric sand involves compacting the sand for a tightly compacted joint that will last. In this do it yourself video learn how to use polymeric sand for. On today's video, we discuss 7 reasons why polymeric sand fails. Use a rubber mallet to knock the paver into place. 2014 Calypso Street. All pavers shall be manufactured for the construction of paved surfaces to be trafficked by jet or propeller driven aircraft. Here are some essential tips for selecting the perfect jointing sand color to complement your pavers and create a distinct, eye-catching outdoor space. Polymeric sand can also be used for this process and is generally worth the cost upgrade. First, the polymeric sand must be firmly activated into the joints between the stones. 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. 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. Polymeric sand also doesn’t work well when mixed with other types of sand. Unlike regular sand, it stays in place and remains stable. In fact, you can even apply it an the sand under your pavers at the moment of installation. Fill the paver joints up to 1/8″ (3 mm) from the top of the paver edge or 1/8″ (3 mm) below the chamfer with Gator Maxx G2 polymeric sand. Available in 15. Use a soft bristle broom and fill the gaps to their full depth. Step 1: Power wash the interlock driveway/walkway/patio. Regular sand can also last long but will require adjustments every 2 years so that the pavement doesn't shift. 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. Go with SAKRETE, The Pro's Choice since 1936. Fill joints between interlocking pavers and slabs! Use SAKRETE Polymeric Sand, a unique mixture of polymer binders and calibrated sand, available in Beige or Grey. We install new polymeric sand between the interlocks. Prevents the growth of weeds and moss. I typically reapply polymeric sand to my interlock every 2-3 years in specific areas of the interlock. 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. 5 ft = 161. Polymeric sand is a joint sand that creates a durable joint between pavers, so many contractors opt to use it. Pour polymeric sand into joints. A strong and reliable jointing solution for interlocking pavers. Let sit for 10 to 15 minutes, then rewet with a light mist. The installation of FLEXLOCK SAND is almost identical to using regular paver joint sand except for the application of water. It's important to ensure there is no. Allow the bricks to dry. UNDER-WATERING causes the polymeric sand to simply form a "crust" on the top. Spread over dry pavers and thoroughly sweep the Powerloc diagonally into the cracks with a broom. 1)The professional approach to sealing monoblock, cobble and blockpaving using a roller kit. 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. brush the area with a brush or bristle broom. You can pressure wash polymeric sand if you use cold water. 6. It is recommended to apply the polymeric sand every 2 years in order to maintain the interlocking paving stone. This new generation of Intelligent Polymers neutralizes haze and dust. Sika FastFix-110 is a high performance polymeric sand designed specifically for filling joints between interlocking pavers, stone, bricks and slabs. 10095 Rickreall Rd Rickreall OR 97371 (503) 623-9084. Backed by a 15-year limited warranty. Add sturdy wood or metal edging to. Make sure you test the pressure washer in an inconspicuous area first, before washing the entire patio. Tap the pavers with the wooden end of the trowel. Yes, you can apply a second layer of polymeric sand. When used for something like sealing paver joints, polymeric sand should last for 10 or 15 years, whereas grout will only last for three to five years. Final Compaction and Lock-up: Spread dry paver joint sand or masonry sand over the surface of the paver area approximately 1/4. Once this is done, the paver patio is. Which means you have to remove all the old sand. . This material has a fairly simple installation. 20-30 mesh). A cost-effective alternative to HP Nextgel for smaller-duty jobs. Pressure wash the sand out of the joints. Product Overview Description. Tips. Begin at one corner and lay the first paver, making sure it is level both side to side and front to back. There is a correct way to place a paver. Use either paintbrush or paint roller to apply the Drylok Latex Clear Natural Look Sealer. Another advantage of ROMEX ® NP Jointing Sand is that it is self-repairing. Make sure you give your patio a good clean wash to remove all signs of the sand. paver joint sand. This active ingredient needs to be blown off of. • Surface must be perfectly dry to prevent moisture from activating the polymer that could make the sand stick to the surface and. 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. GATOR MAXX SAND is a unique mixture of polymer binders and calibrated sand available in Beige and Slate Grey. Remove excess sand with a leaf blower. Model # 70970567 Store SKU # 1000786061. Step-by-Step Instructions. Empty spray bottles are available at your local hardware store. 5. My friends recommend me to use polymeric sand. Seal your pavers. Available in beige and slate grey. Pour poly sand out over the pavers. Fill joints between interlocking pavers and slabs! Use SAKRETE Polymeric Sand, a unique mixture of polymer binders and calibrated sand, available in Beige or Grey. Available in 25 KG bags. Mist stones & sand with a garden sprayer 3-4 times in one hour. 1. Polymeric Sand Price vs. Go with SAKRETE, The Pros Choice since 1936. Beyond their protective qualities, poly sands and. Use a level to make sure each brick is lying flat. 12. Let’s move on to Polymeric Sand now – this one’s an interesting pick!. Remove any excess sand from the top. Polymeric sand is a type of sand that contains polymer binders. In the long run, using polymeric sand will save you money from not having to relay the interlocking pavers as often. Compare. 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. Fill paver joints by continuing to sweep the sand. Sika FastFix-110 is easy to use and can be applied by both professionals and DIY enthusiasts. Polymeric sand is a special type of sand used to fill the joints between pavers to create a strong, interlocking paving surface. It also requires at least 48 hours before vehicular activities are allowed on pavers with polymeric sand. interlocking pavers. The outdoor elements and use of the interlocking pavers will break down the polymers in the sand over time. I want to address all three of those,. For regular interlocking paver joints ( ⅛" to ½" wide) One 40 lbs. 1175-56) is a polymer-modified graded sand for filling joints up to 2” wide between interlocking pavers, brick, natural stone and concrete slabs. For beautiful, long-lasting DIY paver installations, rely on Techniseal's EZSAND polymeric sand, a fast and easy-to-apply solution for the jointing of interlocking pavers. DOMINATOR Polymeric Sand - Best for Professional Use. Sold in a 40-pound packet, the DOMINATOR Polymeric Sand sits atop my list because of its strength and flexibility. 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. Alternatives. Jointing sand is made up of fine grains, to which manufacturers add a mixture of specific additive particles. A bag is dumped onto the paving surface and. 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. A smart choice for residential installations such as Driveway, pathways and Patio. Remove excess sand with a leaf blower. After the sand is set, a polymer is added that reacts to water by hardening. High quality polymeric sand can go for $20-$40 per bag and the coverage area. . Be sure to compact the additional sand. Alliance Gator Maxx G2 Intelligent Polymeric Sand is an innovative product designed for use in joint applications of paver and natural stone up to a maximum of 4 inches. 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 cement-like qualities to help keep it in place and block weeds a little better). . 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. Spray water mist over the entire paved or hardscaped area, from high point to low point. Repeat this step as many times as you wish until the polymeric sand residue is removed or deposited into the joints of the paver. There are several important reasons. Tips on cleaning and re sanding. The primary way to keep paving stones from wiggling around and losing their interlock is by applying sand. Backed by a 15-year limited warranty. In this do it yourself video you'll learn how to apply polymeric sand to pavers and interlocking stone joints. When used for something like sealing paver joints, polymeric sand should last for 10 or 15 years, whereas grout will only last for three to five years. To blow the stubborn residue off, use a leaf blower. 5 ft2. High quality, quick-setting, polymer sand ; Ideal for filling joints between interlocking pavers and slabs ; Intended for residential and commercial use around pool decks, patios, pedestrian walks, driveways, parking areas and roadways ; Easy to apply; sweep over joints, mist with water, then allow to harden ; Manual Polymeric sand. I show you how to apply polymeric sand to interlocking stones in this video. Yet, mason sand lacks the coarseness needed for proper interlock. mix a solution of 20-30% bleach in water and add about a tbsp of laundry detergent per gallon of this solution. Polymeric sand is installed into the joints of interlocking concrete pavement. Buy 12 or more $ 3. Apply white vinegar to dirty and stained pavers with a spray bottle, so that it distributes evenly. Available in 15. . If it rains after applying polymeric sand, it can cause the sand and sealant to activate too soon and the bond may not be as strong. It's important to ensure there is no. In this article, we will discuss what polymer sand is, how it's used, and some of its benefits. Proper installation of polymeric sand involves compacting the sand for a tightly compacted joint that will last longer. I show you the entire process for interlocking, but the same process can be used to apply polymeric sand. Proper use of polymeric sand is an important component to installing a paving stone patio, driveway, walkway, entrance, or any other paving stone project. MACenstein'sMonster Discussion starter. It's a product that's created when you mix a fine sand with a silica additive and water. - fill up the cracks, joints if interlocks. Its high-strength properties ensure a durable and smooth surface. Sweep off any excess material cleaning the surface of any granules of the material to avoid scuffing the pavers in the next step. It can also be used on its own as a paver base material. 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. Over time weather erodes joint material and creates gaps between the interlock. Specifications. Fill joints between interlocking pavers and slabs! Use KING PermaSand (Polymeric), a quick-setting, polymer sand. Sika FastFix-110 is easy to use and can be applied by both professionals and DIY enthusiasts. pipe for screed guides. Out of these three main ingredients, the first two make up approximately 85-95% of the product by volume. Polymeric sand is appreciated by paver installers because joints you get from it are durable and even . For my application I had better results by using a small hand broom to get the sand into the many crevices. Sweep the Sand Into the Cracks. Continue laying the pavers, using a string or straight edge as a guide to maintain straight lines. Reply Quote. Make sure the sand is dry. The easy-to-find, most affordable sand is regular dry sand. Its high-strength properties ensure. We use a high-pressure washing machine to clean out the old sand from in between the interlock cracks. Get a dry bristle brush and use it to remove any tough sand haze buildup around the surface. It's primary function is to improve the interlock and therefore the durability and stability of a paved surface. When it is combined with water it creates a strong bond that is ideal for filling in. It is recommended to use a polymeric sand for paver joints larger than ⅛” wide as it hardens immediately once water is applied. It's best to remove all the remaining sand first before putting in the new. Then continue with these steps: If the surface has a rectangular shape, then all you have to do is multiply these dimensions to get the surface area: A = 19 ft x 8. Durability. Do not tamp. It is specifically designed to fill the joints between pavers, and features a mix of smaller and coarser particles that lock together. Durability and Longevity. 3 – Plate Compactor. To replace sand that has been washed out, simply pour joint sand over the pavers. When put in contact with water, this substance. Fill the crack with the sand, tamping it down firmly as you go. Just like all-purpose sand, polymeric sand comes in a wide range of colors. It came out great. The pea gravel is stable if it does not move when stepped upon and does not feel slippery. Historically, a sealer contractor could approach a seal job with a 90% chance that the pavers would require two coats of a film-forming sealer to be properly sealed. Let it sit for 10-15 minutes, then scrub with. Sweep OPTIMATRIX Polymeric Jointing Sand evenly into the pavement joints using a push broom until the joints are completely filled. 2. Material:. High quality, graded, washed, flame-dried sand with a unique granular structure ; Ideal for filling voids between interlocking pavers, stones, bricks and slabsProduct Details. In terms of the day-to-day appearance of your pavers, polymeric sand may offer a cleaner look than regular sand. You’ll want to use the shower setting when it’s time to water your polymeric sand. Polymeric sand is also easy to find but will cost you more—anywhere from $20 to $90 per 50-pound bag. Polymeric sand is fortified with polymer to prevent washout between pavers. To start, pour the sand into the grout lines between the pavers, letting it overflow as you go. Polymeric sand such as Alliance's Super Sand G2 or Techniseal's HP NextGel , is essentially glue and sand mixed to form a strong bond that is also flexible enough to float. Polymeric sand has a finer texture than jointing sand, and is specially designed to interlock with the pavers, fill the cracks between them, and harden upon drying to form a solid base. Joint compounds, on the other hand, can last as long as 20 years if correctly installed. that you might need for other. Durability is a major selling point for pavers, and employing polymeric sand will just extend the lifespan and stability and resilience of your project. 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. 6. The interlocking structure also helps reduce slip planes on stairs or other surfaces where there’s high foot traffic; this makes polymeric sand an ideal choice for use in public spaces where things often get wet (like patios) because it stays put better than normal grout does when wetted down by rainwater runoff or spilled drinks at parties. Proper use of polymeric sand is an important component to installing a paving stone patio, driveway, walkway, entrance, or any other paving stone project. Tap stones with a rubber mallet to compact sand. There are many different qualities of polymeric sand. VISIT US IN-PERSON. 5. I tested 2 bricks but don't like the look of it. New $ 93. Polymeric sand is a granular material placed between the joints or seams in brick pavers or stone in patios, walkways and driveways. 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. Dingo PowerLoc Paving Sand is a polymer-based product that prevents it from washing out or cracking. The outdoor elements and use of the interlocking pavers will break down the polymers in the sand over time. Crystalline silica. How to use Polymeric Sand. The sand’s primary function is to improve interlock while creating a highly durable yet resilient joint. When you spread the sand, make sure to do it evenly over the top. There will always be a few ant hills that manage to get built in the cracks. Sika FastFix-110 is easy to use and can be applied by both professionals and DIY enthusiasts. Sika FastFix-110 is easy to use and can be applied by both professionals and DIY enthusiasts. In order to achieve optimum performance, Surebond sealers and PolySweep polymeric sand have specific installation instructions that include weather considerations listed on the product packaging and technical data sheets. Raised patios offer a great way to get the most out of your outdoor space—enjoy dinner with family and friends, host summer soirees and BBQs, or relax in the fresh […] Hardscape Basics. Consider using white vinegar: If you notice any polymeric sand residue left on the paver surface, use white vinegar to remove it. Maple. Choose a high quality polymeric sand that uses high quality (clear) polymers and avoid polymeric sand that contains portland cement. The second layer should be applied in the same manner as the first layer. The stones were back rolled. Interlocking Concrete Pavement Institute 14801 Murdock Street, Suite 230 Chantilly, VA 20151. If that didn’t work, then rent the Sweepster (more people likely own pressure washers than Sweepsters. After applying the material to the paved surface, the sand is sprayed down with water. Polymeric sand would keep the water from flowing through. Sweep the pavers thoroughly but gently to avoid damaging the surface. Polymeric Dust. Designed specifically for filling joints between interlocking pavers. Buy On Amazon. Once dampened, it hardens to lock pavers into place. Step 2: Polymeric Sand Application. 4. Unlike polymeric sand, joint compound is permeable and excess water can go through the joints. For more information please click Landscaping Design Services. Now, most pavers are interlocking pavers, which means they have small ridges on the sidewall of the pavers, and when installed correctly, these ridges combined with the sand create the interlock, which keeps the bricks from shifting and keeps them in place. . Joint compounds also can handle winds, higher temperatures. Choosing a good quality polymeric sand will make it easier to apply and you’ll end up with a much cleaner finished look. It allows joints to resist erosion, weeds and insects. 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. Weeds and ants can overtake paving stone if regular jointing sand was used. Model # 40100603 Store SKU # 1001570717. Use a broom to sweep the sand between the pavers allowing for the sand to settle in. . The best bet is as the other poster suggested, find the other ant hills in the area and destroy them too. We are Dirty Drive-Away, Bromley's sp. Polymeric sand usually lasts three to five years but can last up to 10 years if appropriately applied. However, it’s as easy as click-and-drop. Step-by-Step Instructions. Read the Instructions. Specifications. Sold in a 40-pound packet, the DOMINATOR Polymeric Sand sits atop my list because of its strength and flexibility. Suitable for sweeping into spaces between pavers. In terms of the day-to-day appearance of your pavers, polymeric sand may offer a cleaner look than regular sand. A high quality polymeric paver fini. It sweeps and vibrates easily into the joints assuring a good interlock. 14yee wrote: ↑I am doing my patio (200 sq ft) rather late in the season when weather is cold. This glue holds the sand in place so that when it rains or running water, the water will not wash away the sand. It’s a necessary step to use a compactor when first building a paver patio, but not for an established one. Don’t overfill the joints, though. Easy Install Procedure. You can use this leveling sand for interlocking pavers, flower bed edging, retaining walls and patio stones. scraping out the old sand) to replace the polymeric sand on my patio and followed the instructions carefully. Simply sweep the sand into the joints and saturate with a water mist. If the sand has come loose over time, pressure wash first, then apply new sand. Learn how to install paver locking sand in a concrete block patio or walkway. Pros of polymeric sand. Easy step by step application of polymeric sand for your pavers so you end up with a beautiful professional looking. If your surface has a slope, start at the lower end and work your way up. Powered with ceramic flex technology, a technology found only in the most advanced polymeric sands, it’s a blend of polymers of fine sand. I've found that the foam insecticide that expands has been the best for killing an ant hill. Powerwash entire surface free of dirt, grime, weeds, moss and old sand; let dry for at least 24 hours. It is simply something that you should be doing every few years to get rid of the. Homeowners often forget to sweep or blow off residual. When interlock pavers are installed, polymeric sand should be installed between the joints. Depending on how thick the sand is, first start with a simple hose. Once your sand is in place, you’ll use a 10’–12’ strike board to “screed” the sand. Not using the click-and-drop method. 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. Sweep sand into joints with a broom. Joint-It Fine is a weed resistant paving jointing sand, which has been developed specifically for use with block/brick paving, most commonly used on driveways or more heavily trafficked areas. Follow directions on the product, but in general: Pour it on dry brick and brush it into joints with a push broom until they are about ⅛ inch from. Using a push broom, gently brush. It is rain-safe after 15 minutes, meaning it will not wash out of the joint. The polymer modified sand hardens as it dries and resists erosion, weed. Polymeric sand offers stabilized (hardened) sand joints once its activated with water. To lock this material into place between the joints of the pavers, you can apply a joint stabilizing sealer. It is more flexible than fine dry sweeping sand but should not be used in driveways. If applied properly, the binding agent in the sand will harden in the joints and completely prevent weeds and ants from causing cracks in the surface. Continue laying the pavers, using a string or straight edge as a guide to maintain straight lines. To solve this problem, Quikrete developed PowerLoc Jointing Sand. Some say not to use limestone screenings as a setting bed. 2. Interior vs. Many people have had bad experiences with old patios made with polymeric sand using previous technology, but the product has changed. Spray water on the pavers to make sure that the sand hardens and let it dry for some time. A water-activated polymer is introduced to the sand. 5. Once all of the pavers are in place, spread a generous amount of sand across the top and use a broom to sweep it into the gaps. . Make sure you test the pressure washer in an inconspicuous area first, before washing the entire patio. If the pool has an auto-cover with a track, do not mortar the track itself – instead, use a construction adhesive on the track portion, and mortar on the back side of the track. If, by chance, you do get hit with some unexpected weather after your installation, don't panic. ft. . Natural sand has a loose and porous structure with low strength, and is prone to many geoengineering problems that cause huge losses.