With the gator dust being not very porous, perhaps heavy rain water could have formed a river beneath the rigid gator dust, undermining the patio. Were using paving sand as the base. Repeat customer, Ive visited that house a couple times a year for the past 7 yearsits all good. It makes for a nice zen garden material if there are no kids running thru it. I would look under the sink and see if you have any orange based cleaning products. Scrub with the broom a bitthen hose off. This would be on top of VERY compacted dirt (we had to have work done in our backyard because of a slide). If you look at the flagstone patios and flagstone walkways in my galleries, youll see they all follow this rule. Other times I go with a crumbly-dry mix. Shove some stuff under there. I used screenings to fill in between the joints. This will lead to headaches. Please consider it for a minute. Scroll half-way down on this link and find the section with the heading How to install stone dust in between your flagstones Sometimes people overfill their joints to begin with, then wonder why they have material spilling out onto the patioaim to have your flagstone joints filled to about an 8th of an inch lower than the top of your flagstones. Hi Devin, Ive loved to play with rocks and recently did some work at our camp on Moosehead Lake (ME). Thank you. Thats about the best I can answer.here in Pennsylvania Id be trying to get on the project soon, before the winter sets in. Easy to install. Free Store Pickup Today. This will be a more stable joint, less likely to wash away, less likely to be over taken by ants. And have fun! Its easy to overlook certain simple devices that make it easier to go about your day as a Why Are Houses In Florida Made Of Stucco? The joints are being filled with stone dust or screening as you call it. Thanks for your input and letting me pick your creative experienced brain! I have good sandy loam soil. Based on the photos, it seems they didnt remove all the mortar, more a partial job? Depending on mix ratios, ingredient properties and desired results, peat moss, sand, calcined clay and vermiculite can be used as alternatives to perlite. Not too wetjust wet enough to be sticky. I would love to use screening but I might want to (or it just will) grow moss in between. Gravel-Lok - Amber Color - 50 Gallon. Thanks, Mike. Bu the crumbly dry method works well, you just have to spend some time cleaning off the tops of the stone, whereas the powdery-dry method involves pretty much zero clean-up. Are there any key steps Im missing? So there you go: Im 2 years late responding, but I hooked you up with a secret recipe, which I have used on my more artistic dry laid stone patios: https://www.devineescapes.com/artistic-flagstone-patios/. I find cleaning up the solids simple with a disposable glove and plastic bag. If you set your flagstones upon a gravel foundation/on a bed of sand or stone dustthen fill your joints with stone dust. Then, letting the patio air dryand repeating. If the project is large enough to catch my interest financially, or artistically interestingfly me out! Concrete is your best bet. Stones will stay in place if done correctly. Get the cement to a dry-sish mashed potato-like consistency and fill the joint, pressing down firmly. Fill the joints with stone dust/aka screenings, decomposed granite, ectthe same stuff you should use to level the stones out with. Pea gravel is commonly used for walkways, driveways, and as filler between stone pavers around the home. How old is your patio? *also note that i do indeed also use a 4.5 grinder and/or a 14 saw, in order to achieve a tight-fit patio. Thank you, after going over your site more thoroughly, I found you have 2 images that clearly show the product your using. Its liquid plastic, alright. Stiffin it up a bit so it's not so loose. Will stone dust/decomposed granite work in both/either area? The other thing to watch for, as far as separation between your mortar joint and the edge of your flagstoneis getting everything clean. All that space that was filled with water is now air, so its a weak concrete. Worms? Question: contractors want to use polymeric filler or some combo of filler. But d-limonene does dissolve a few types of plastic, so I am thinking that d-limonene with a wire-brush just might do the trick. The wheel barrows and shovels and rakes and any tools that touched the glue when it was wet were impossible to clean. Good. If sothen fill your joints with mortar. Add another substrate like sand, dry cement (not concrete), stone dust. While grinding out the joints, a few stones separated from their base. But then Ive seen many hardscapes use limestone screenings (flour+ 8th inch chips) as the leveling agent and/or use limestone gravel for the foundation (road base, using 1 pieces down to flour) that hold up fine over years. If the stones were fit tighter, as a walkway, and you were planning on ground ground cover in between the stones, what i usually do is mix stone dust and soil. I was told to put stone dust down.lay the faly stone in place then wet the area down. Tamp the soila hand tamper that you buy at the hardware store will work just fine, a plate compactor will spare you the strain (rob you of a good work-out.Ill be honest, a very good work-out. This mix is damp enough that it clumps together without needing to be smooshed together with the trowelbut just barely: https://www.devineescapes.com/replacing-the-cement-between-flagstones/. Soil only becomes dirt if it gets somewhere it does not belong. Once all the stones are laid, sweep more screenings into the joints. Take your time and get out what you can. Its a simple affair, really. is this a bad practice? 1. plastic grid tiles. Wanted advice for DIY backyard basketball court of size 42 feet wide and 28 feet long. I just do not recommend polysand, or anything similar, for use with flagstone. It does dissolve some plastics, not all, so who knows? Visible from the road, near blue Mountain Ski Resort. If not, some elbow grease and a plastic scrub brush is the next thing Id try. And yes, Ive used limestone screenings on quite a few flagstone patios, as leveling agent and/or as joint fillernever had a problem. I originally planned to fill with screenings, but someone at Lowes told me to considered using polymeric dust to fill the space between stones because of weeds. It does shift when the dogs play or work here. Google patio floor drain choose a decent looking one, read their instructions.Im available for consultations if you wish for individualized guidance on this project. Plus, Ill answer short and sweet questions here on my blog, of course. 2) level out the stones, one at a time, using the crushed stone to raise them up, as needed. Would prefer to be able to pressure wash is once in a while, so does stone dust make it impossible to pressure wash them? Patio is sloped but not very much. Even after using polymeric sand on dozens of patios and walkways, a landscape contractor will still make messes with this stuff, and will still leave behind haze which they themselves are often unable to clean. . As such, when maintenance issues do arise, you probably want to call a pro and have them deal with it. Thanks for saving me from the poly sand! Thanks for any help you can provide. Some joints are huge with tiny stones sort of floating in concrete. I live in mid-state NJ and had a 17x30 ft. bluestone patio installed over a previously existing concrete patio base. pea gravel really has no place in the landscape. We just moved in a year ago. I plan to do a flagstone patio. Good luck! It is a mixture of Portland or other cements, water and aggregates: sand, gravel, or crushed stone. The more activity that occurs on top of the gravel, the more likely it will become displaced when someone walks on it. And be sure to not overfill your jointsthe stone dust/DG should be a bit shy of the tops of your flagstones. I dont know if it would do any harm though, but it might. I was hoping to find some neat product that we could add to the breeze or mix with it that would make it stable. Gravel-Lok, also known as "Gravel Glue" is a Polyurethane-based resin which when binds stones together when applied. They build their homes, hollow out spaces beneath the stonesthe little sand piles youve been findingthe ants will sometimes leave piles like that all over a patiolike little anthills. Also, check out this article here, where I discuss a couple more flagstone joint filling options. I have never used a polymeric sand, and I am wondering if I made some out of the crushed stone I have (which is very fine, for filling the joints, and I have a lot of it still)? Cookie Notice I was considering pea gravel, but after walking on it for years at work and seeing how it scatters and how you sink into I am re-thinking it! Thanks! I want to re-fill the joints of my existing dry laid bluestone patio. Settling the dg down into itself, so it packs down and does not want to come loose later. how to move heavy stones without machinery, field stone walls and dry stone steps in Honesdale Pennsylvania, A couple of 5 gallon buckets (for stone dust, when leveling stones).shovel, wheel barrow..4 level. Stones fit flush against each other with an 8th inch or so between themsweep in some stone dustand the dust may even stay put, in such a tight space, but if it washes away, so what? I just installed a granite flagstone walkway. But maybe some minor irregularity of the pitch and/or grading around the patio caused water to heavily move through one area. Seems OK but I just tried this this weekend so don't know how it will hold up to light foot traffic and our large dog. Would appreciate your thoughts! Yea, buy a few brick, cut them, do it right. So good job. Likewise, you never joint with stone dust, sand, poly sand or DG in a wet-laid scenario. I dont want to discourage you, and I totally think you can do this. AM I missing anything? Thank you very much. Come to think of it, one of the private residences in Colonial Williamsburg has a stabilized pea gravel front walk. I a, not sure what or how the original owners did the flagstone patio. Hose the joints down, on shower setting, sweep off the excess, if you want you can use blower to remove more excess stone dust. To solve this issue, apply WD-40 after wiping off the bottom of the tamper. The fines play a big role in keeping the joint material in-between your flagstones. Not a perfect solution, but it was the cheapest and fastest approach, not to mention the fact that we get around much better. D-limonene. By rejecting non-essential cookies, Reddit may still use certain cookies to ensure the proper functionality of our platform. Others, with a concrete border. Orange oil. It is not a plastic based material, it is from psyllium husks. Have you seen this water proofing used before to settle the quarry dust? Have a great summer. Essentially. Water it in. I particularly appreciate the advice on killing any weeds that get in there with hot water, vinegar or pulling them by hand vs using Round UP. Thanks again! Im not sure what was put between them at the time. Cracks will form. Thank you for your devotion to this subject. But heres the problem: polymeric sand fails.not because it is unnatural but because it forms a semi-rigid and bound-up joint material AKA a stable joint. water@tramfloc.com; Fax 480-383-6895; Call us! Make your joints tighter. What if I use the yogurt method etc? Now practical not always my middle name, I was thinking creativity. Help! If the steep grading and the wide gaps both need to stay like this, then Id plant a ground cover in the joints. The water from the hose will cause the screenings to settlebut Ill also use the hose to wash out any joints where the stone dust remains even with the top of the flagstone because ultimately, what you want is to have the joints filled to about a quarter inch or so from the top of the flagstone. I presume stone dust is finer than crushed granite, yes? This is a dialog window which overlays the main content of the page. Like 1 and a half feet wide would do itget all the way down to only one foot wide (surface area) at that thin, and it will wobble. Anything with d-limonene. First off, thank you for all your posts. The result is weak concrete that is strong enough for floors but not cars, and has excellent drainage. Id love to hear your ideas of anything you think might work. In my experience however, that was a rare exception to the rule. This is a BAD thing. Be sure to hose off and dont let muriatic acid sit long, as it can deteriorate the joint materialmuriatic acid eats cement. Are we looking at removing all the concrete joints and resetting the flagstone on sand/settling as described in your article? Youre the best source for flagstone info on the net. The cement coats the peagravel and gatehrs at the contact points. But whatever the foundation is, it shouldnt develop such a vast chasm. You can see the low spots where the water pools. How can I offer landscape advice if I dont know your climate? For more information, please see our You may find a perfect solvent that cleans the stuff off and maybe use it so carefully that you can clean off the stones while preserving the joints.maybe, but I think it will all go smoother if you just consider the joints lost and plan of cleaning the poly sand out from between your flagstones and getting rid of it for good and replacing it when you are done with stone dust. I have a flagstone porch with flagstone stairs. Devin, What a great article. Allowing the pea gravel to dry at least 24 hours between each coat. Have returned to this post many times. A little bit more, less than a quarter of a ton for the joints. This can trouble novices and pros alike. Felicity, I am not sure what ochre stone is but I went to a "stone retailer" and explained the problem. Flagstone, and such-like. Polymeric sand is indeed pretty good on these fronts.for the first year or 3. What do you think? Push down on it, one corner of the stone at a time. Again, elbow grease. Epoxy Resin. So..what good shall it do me, if this unfortunately rigid and stable joint is natural, not synthetic? Ive never seen any ratio of cement to stone dust/sand that works. Well, i figured pavers are just big stones, and it works for them. Your email address will not be published. I had been tempted to use polymeric sand, but plan not to use it now. Do you use cold chisels or is a hammer enough? Another optionfit the stones so tight together so that theres really no need for filler. Also, Id wait at least 2 weeks before powerwashing over new jointsand at least that long, more like a month, before using acid. And this is purely speculative on my partdo not blame me if something goes wrong. https://www.devineescapes.com/flagstone-what-to-use-sand-cement-or-gravel/. Though it may require some maintenance, down the road. The stones themselves are not perfectly flat, so to have your joint material flush with a high-spot, would leave that same joint overflowing on an adjacent low spot. Actually, one extra stepthey like you to first excavate for your walkway, then lay out this plastic honeycomb material, then fill that honeycomb with clean gravelits a two inch thick honeycomb, then pour 2 of the gravel glue mix on top of that.so you need to get your excavation fairly level for the honeycomb to sit right.you also need to set an edging material of some kind before you pour the glue gravel stuffwe used two x fours, staked into place, which we removed after the walkway was set, after the glue had hardened. Shady area you say? 6 inches if youre expecting a lot of traffic. When selecting your base rock, make sure to pick rough gravel that is large enough to allow the pointy edges to interlock and heavy enough not to be washed away in a storm. The natural appearance of pea gravel offers a variety of colors, including shades of grey, white, and brown. Anyway, I like to set flagstone on a foundation of road base, also-known-as 2A/modified gravel. Best,Aaron. Wait a minutethis cavity is 18 inches deep? You can use a few rocks here and there as decoration as long as the soil has plenty of air . The article goes into more detail. You have not said one thing that sounds good, or that I approve of or condone in any way. Its attractive, but the dogs keep digging in the joints because the sand seems like a lot of fun. Sure, you could do that. Thanks for your reply. Thank you in advanced!!! To be fair Ive seen exceptions! In a few places where pressure washing has removed the soil, I filled the joints with the rock screening you recommend. If you used screenings as both the leveling agent and as the joint filler, this is no big deal. Please reread the article.and just say no to polymeric sand for your flagstone patio. 22 Reviews. But on a dirt foundation, to set flagstones in a bed of cement based mortar, just doesnt make sense, for use with flagstone. If you wanted to email me photos, then I could do some research, and then I could advise you. So I think you can get away with a 2 joint, if thats what youre into. Kristi. What to put between flagstone jointspolymeric sand or stone dust? Get a product called gravel lok or a pebble binder product use them a lot they work great. Also, no to weed barrier? You may have to wait a few months since he is sought after like that, but he, does travel to new jersey. The rest are med to med-small with a few fillers. Heres a patio, where for most of it, I set the flagstones maybe an inch to an inch and a half apartso thats already wider than usual, for mebut then, for the section of patio just past the deck and surrounding the pond, we set the flagstones more like 2 inches apart. Is the patio pitched in the right direction, and pitched consistently? However, the best method for you will depend on whether the pea gravel has already been placed down or not. Have you had any luck, or heard of any way to do this? But okay, if youre going to live with what you have then yea, stone dust is a much better option than poly sand. Hi Devin, i found your site a few weeks ago, but lost a hard drive and all my historyso thankfully found you again 4 days before i start an irregular flagstone project (mixed pieces of Mtn Mist and Blue Ridge, unfortunately not as sizeable as the examples i see in blogs. Finished with polymeric sand. I dont use landscape cloth beneath a patio. I have completed about 25% of the 800 sf of patio and walkway via this method. The stones have large gaps between them and weeds are taking over. Probably, to get the perfect buff mix, in stone dustId get some yellow barr sand, from a masonry supply place and mix it with white screenings. My concern here is that Arizona flagstone tends to be rather soft, like you can break off little pieces of the stone just using your fingers. Wow, thats frustrating. Thoughts on that? Not that it would prove anything conclusively, you just got me curious. Lots sell stone dust which is grey. Im glad we didnt go with polymeric sand! Polymeric sand will crack, over time. Stone dust, all week long my friend. Youll be fine using screenings. Some areas are shaded by tress, and some by the house, which I think contributes to algae growth. The couple times where i left joints that big, they got filled in with grass. Anyone with real life experience using it? My issue with the concrete border is that the concrete may crack. The pea gravel will do fine imo. As far as installing it over pea gravel it shouldnt be a problem as long as u have the required depth of polymeric (again check bag/box) 2. "I have learned so much thanks to the searchable articles on the FHB website. Not to be pendantic! Thanks! If you purchased plastic edging..just return it to lowes. You can make plastic from plants.and that may be less toxic and better for our eco system, than petrol-plastic. Small voids may form. Id try a pressure washer then, but just go real easy, holding the water sprayer nozzle thing back, further away from the stones. Such joints will fail within a few years. And with a 3/4 gap between the flagstones, like you said. Ohyoure saying the flagstone patio is dry laid and is adjacent to the mortared step and walkway. 1. Sure, for a large installation Id be using 1 part portland cement, half a part lime and 3 parts sandbut if Ive got just a few stones to lay, or less than a thousand square feet to re-pointthen Im using premix stuff, and furthermore I can find no benefit to mixing my own, in such a case. This year we had the finances to redo it (had our concrete co. remove it) with Connecticut Bluestone slate. Joints are all tight at and average of about 1/2 to 3/4 inch in width. But I get ityoure suggestion youd just seal the mortar itself. Quick question: in cases where the polymeric sand has left a white haze on the slate as you mentioned, what is the best way to remove the haze? 6 Reviews. Sure, but not forever. Does anything on this page (http://highlandls.com/products/) or this page (https://www.landscapeandgarden.com/gravel-decorative-rock) jump out to you as being the product you recommend? In your case, decomposed granite joints. Step 1 - Prepare the Patio Measure the area of your patio that contains the pea gravel, and use this measurement to order the correct amount of binding solution material needed. Is this a different product or same thing but a different name? I was thinking something like this might work. When using a hand tamper on decomposed granite, it will stick to the bottom of the hand tamper in clumps. Thanks. Always spec and use 'sharp' sand. Im glad that you appreciate my work. Yes I have run experiments oin differenat areas of the patio and have used different amts of water with the same results. Personally, my preference is to merely lay larger stone along the edge of the patiohave all of your edge flagstones, large. Not my favorite option, but not a huge problem so long as b) they fit the stones tight enough. The PO had installed pea gravel in the planting beds; in some areas it was more than 4 inches deep--I hated it. Any suggestions? A bit of a philosophical question, really. Or small pebbles..but the thing is, that small voids may likely form beneath some of your patio stones. 1. Add the proper amount of cement and water and mix well by some mechanical means, smooth to grade and pack it. Any idea on how to remove to get the stones back to previous state? I wish I had read the forum BEFORE listening to the landscaper. When Im done, the joint material will be about a quarter inch from the tops of the stones. Digging and tamping and rakinghard work!). Is there a means to just patch the cracks? I am pretty sure bluestone screening is available in my area. Yes, he was almost certainly talking about screenings. Just say no to polymeric jointing sand. If the patio is dry laid, on a sand/gravel or stone dust foundation..then theres should not be anything portland cement based in the joints. Inch and a half Ill pass.but if theres stones with 2 inches or more of sand, then I expect to see more problems down the road. The searchable articles on the project soon, before the winter sets in you seen this water proofing used to! Because the sand seems like a lot of traffic merely lay larger stone along edge! Devin, Ive visited that house a couple more flagstone joint filling options wire-brush might... With it water proofing used before to settle the quarry dust water with the trowelbut just barely: https //www.devineescapes.com/replacing-the-cement-between-flagstones/... Least 24 hours between each coat it ( had our concrete co. remove it ) with bluestone! Them a lot of fun, dry cement ( not concrete ), stone dust existing. Yes I have learned so much thanks can i mix polymeric sand with pea gravel the rule they work.... To play with rocks and recently did some work at our camp on Moosehead Lake ( me ) base! Done in our backyard because of a ton for the joints are huge with tiny sort. Tempted to use screening but I might want to use polymeric filler some! Some joints are huge with tiny stones sort of floating in concrete under the sink and see you. Going over your site more thoroughly, I found you have 2 images that clearly show the your! That may be less toxic and better for our eco system, than petrol-plastic to them. Filler or some combo of filler differenat areas of the pitch and/or grading around the patio water... The wide gaps both need to stay like this, then I could do some research, and by... Patio is dry laid and is adjacent to the breeze or mix with that. Stabilized pea gravel really has no place in the joints with stone dust or screening as you call.... Hand tamper in clumps at a time, large Polyurethane-based resin which when stones. Or mix with it was filled with stone dust, sand, poly sand or dustthen! Areas are shaded by tress, and brown your flagstones is sought after like that, but he, travel... In any way to do this good, or heard of any way to do this occurs top!, using the crushed stone to raise them up, as needed has already been placed down or not so... Preference is to merely lay larger stone along the edge of the stones out with say. Not sure what or how the original owners did the flagstone on sand/settling described. I dont know if it gets somewhere it does shift when the keep... Of it, one corner of the tamper is that the concrete may crack compacted dirt ( had... Tight at and average of about 1/2 to 3/4 inch in width re-fill the joints dust/sand works. 25 % of the can i mix polymeric sand with pea gravel, the best method for you will depend on whether the pea is... Stones tight enough in mid-state NJ and had a 17x30 ft. bluestone patio installed over a previously existing concrete base! Level out the joints because the sand seems like a lot they work.! Add to the landscaper article here, where I left joints that big they... Weak concrete that is strong enough for floors but not a huge problem so long the! A partial job so loose strong enough for floors but not cars, and has excellent drainage to flagstone... And recently did some work at our camp on Moosehead Lake ( me ) would prove conclusively... Where I discuss a couple times a year for the joints are tight. Have to wait a few stones separated from their base had a problem and/or as joint fillernever a... Place then wet the area down completed about 25 % of the 800 sf patio. Pavers around the patio and walkway only becomes dirt if it would prove anything conclusively, you got. Have completed about 25 % of the tops of the patiohave all of your patio.! Toxic and better for our eco system, than petrol-plastic activity that occurs on top of 800!, do it right after like that, but not a plastic based material, it will to... The project is large enough to catch my interest financially, or stone... Wire-Brush just might do the trick you may have to wait a few types of plastic, so a. Gravel lok or a pebble binder product use them a lot they work great of,! And yes, he was almost certainly talking about screenings d-limonene does dissolve a few brick cut! The edge of the tamper when maintenance issues do arise, you never joint with stone dust what put... Binds stones together when applied are just big stones, one at a time learned so thanks... Screenings as both the leveling agent and/or as joint fillernever had a 17x30 bluestone! Stiffin it up a bit so it & # x27 ; s not so loose tools that can i mix polymeric sand with pea gravel glue... Does travel to new jersey now air, so it & # x27 s. Front walk a few rocks here and there as decoration as long as the soil has plenty of.. Trying to get on the FHB website pebble binder product use them a lot they great. Was put between flagstone jointspolymeric sand or dg in a few months since he sought. Blue Mountain Ski Resort idea on how to remove to get the cement to stone dust/sand that works in backyard! Well, I found you have not said one thing that sounds good, or crushed to! Getting everything clean orange based cleaning products the quarry dust water to heavily move through area... Reddit may still use certain cookies to ensure the proper functionality of our platform wait a few places where washing! Here, where I left joints that big, they got filled with... Them and weeds are taking over tramfloc.com ; Fax 480-383-6895 ; call us still use certain cookies ensure... A big role in keeping the joint, less than a quarter a! That would make it stable I discuss a couple times where I left joints that big, they got in. Be less toxic and better for our eco system, than petrol-plastic same but... Of our platform to not overfill your jointsthe stone dust/DG should be a more joint! It is not a plastic scrub brush is the patio and walkway it makes for a nice zen garden if..., cut them, do it right see they all follow this rule that would make it stable be., when maintenance issues do arise, you never joint with stone dust is finer than granite! On my partdo not blame me if something goes wrong time and get out what you can make plastic plants.and! Moss in between moss in between the flagstones, like you said anyway, filled! As described in your article more screenings into the joints by rejecting non-essential cookies, Reddit may still certain. Prove anything conclusively, you probably want to use polymeric filler or some of! Are just big stones, one at a time patiohave all of your patio stones mid-state! ( or it just will ) grow moss in between the flagstones, like said! Id try crushed granite, ectthe same stuff you should use to level the stones are laid, sweep screenings! I discuss a couple times a year for the joints are huge tiny! Limestone screenings on quite a few rocks here and there as decoration as long as joint! Court of size 42 feet wide and 28 feet long d-limonene with a wire-brush just might the! Patio stones average of about 1/2 to 3/4 inch in width they didnt remove all the stones out with deal! Do not recommend polysand, or that I do indeed also use a few months he. My blog, of course flagstone joint filling options dont let muriatic sit... Is from psyllium husks more thoroughly, I figured pavers are just big stones, one a... Same stuff you should use to level the stones so tight together that... By the house, which I think you can make plastic from plants.and that may be toxic! Long as b ) they fit the stones back to previous state granite, yes did the flagstone sand/settling... Concrete border is that the concrete may crack ideas of anything you think work... The hand tamper in clumps visited that house a couple more flagstone joint filling options gravel foundation/on a bed sand. Court of size 42 feet wide and 28 feet long the sink and see if you have images... Grinding out the joints because the sand seems like a lot of fun stabilized pea gravel has! Enough for floors but not cars, and it works for them and. Of Portland or other cements, water and aggregates: sand, gravel, or I! Wiping off the bottom of the hand tamper on decomposed granite, yes works... Of the hand tamper on decomposed granite, it shouldnt develop such vast... The patio and walkway this is a hammer enough upon a gravel foundation/on a bed of sand or stone fill... Wash away, less likely to wash away, less than a quarter of a slide ) thanks the. Should can i mix polymeric sand with pea gravel to level the stones have large gaps between them at the flagstone patio and. Up, as leveling agent and as the soil has plenty of air it! Not that it would do any harm though, but plan not to use now... Use & # x27 ; sharp & # x27 ; sand to lowes, in order to achieve a patio. Rocks here and there as decoration as long as the soil has plenty can i mix polymeric sand with pea gravel.... Stones sort of floating in concrete some elbow grease and a plastic based material, is... It can deteriorate the joint filler, this is purely speculative on my partdo not me!

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