Slugs? One last question on screenings is this something Home Depot carries? IMO this is a bad idea. The fines play a big role in keeping the joint material in-between your flagstones. Life happens. Unfortunately it's about 3" deep! Surrounded by retaining wallsso the patio is below grade, and a drain of some type is necessary. have never once needed to replace a stone, and its maybe 800 sq ft flagstone, all told. 2. 600 for the 3/4 minus 200 for the 1/4 minus 100 for tamper rental 500 for skid steer rental. Thats the basic formula. Compare. Felicity, I am not sure what ochre stone is but I went to a "stone retailer" and explained the problem. thanks. Go to a place that sells gravel, sand and mulch and talk to them. Thanks for pointing this out. The look is great, however, it is too soft for their liking. Polymeric sand is sand with an acrylic binder added. Before the coat is dry, apply sand over the binding solution. I have a flagstone porch with flagstone stairs. Worms? 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. Sweeping sand into the joints is one way to go about it.read the article, for other suggestions , Or, check out this great article here: https://www.devineescapes.com/flagstone-what-to-use-sand-cement-or-gravel/. Spread it liberally on top of the pea gravel then rake it in just under the surface. Given how unpleasant it is to walk on screenings with bare feet, what would your suggestion be for spaces that are greater than 3? The installer used polymeric sand in the narrow joints (most about 1/4 or less, some about 3/8). I know, you said youre not into sandneither am I, for flagstone joints. Sure, with such large gaps the stone dust may kick out, and get on the stone surface, but it wont be an annoyance or a trip hazard, the way that larger gravel probably will. You simply sweep the material into the flagstone (or other paver) joints, lightly hose down, then it solidifies. Read the Instructions. 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 was almost sold on polymeric sand, due to the size of some of the joints im going to have..but read your blog. I have been extremely happy with it -- it looks great and has stayed neat, clean, and stable for two years now. Its looks like a flat matte color where there was poly sand and where no poly sand you see a beautiful high gloss high color finish.this is the best analogy I can think of. Podcast 529: Members-only AftershowHow Good is Good Enough? Ready-mix concrete refers to concrete that is specifically manufactured for customers' construction projects, and supplied to the customer on site as a single product. All the flagstones should be lifted up, the sand replaced with screenings. A 14 saw will have a 5 inch, so that should be deep enough to cut down below the concrete. Your email address will not be published. I found your article very interesting i was already going to use screenings but was still researching and i came accross this. Remove excess residue with a leaf blower. 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? Do you know if one can expect the haze to slowly fade away over time? My guess is that this is a type of decomposed granite or screenings? Thanks! Good question. I did find limestone screenings on this website: http://www.greenbuilderssupply.net/pr_bulk_materials_dumping.htm. My search for this is not yielding good information. I am Gonna use the bluestone dust we got from the quarry. The wheel barrows and shovels and rakes and any tools that touched the glue when it was wet were impossible to clean. I imagine theyre not all entrances to the colony, they are just cast-off from their digging. If you simply spread out pea gravel on top of the ground, it will start to shift and move quickly. I intend to lay one 12 x 5 long 2 inch thick tread on top of the cinder block. I am totally on board with between the cracks, but should I insist on the bed as well? This sounds like an ambitious project. 4. Kristi. Good. Anyway. Soil only becomes dirt if it gets somewhere it does not belong. As mentioned in the article right above..I go with screenings. HATED IT!!! My husband and I are looking to install a flagstone patio in Laredo Texas. The repair will cost less money, look better, last longer, and have less of an environmental impact. Sure, but not forever. great article. . Stone dust is usually available in whatever colors if road base type gravel are quarried in your area. All rain is during the winter months. I already clear out a 15 X 15 for my back patio. Wish Id have found you 10 years ago Id have you building my dream stacked wall. What do you think of filling larger spaces with 1/3 portland cement + 2/3 sand, and embedding decorative ornaments (e.g., beach stones)? Should I try to hammer drill the mortar grout out? Screenings are sold by the name screenings in New Jerseyalthough some places may use the name grit or stone dust. He wants to lay a new flagstone patio on top of a mix of sand mixed with cement(about 6 to 1). Once the flagstones have all been cleaned and/or replaced, then return that polymeric sand, buy some stone dust.and send me photos of the completed job when you are done! Maybe a dry concrete mix without the rocks in it? This article is awesome and thank you very much for your expertise! Stone dust, for the win. What I use is stone dust AKA screenings. Id recommend removing most of the sand. 1. Lots sell stone dust which is grey. Check it againrepeat until its wobble-free. In Colorado, I believe they are sold as crusher fines. I am located near Blakeslee and want to get quality screenings for my flagstone project. The smaller stones seem to have the problem of being dislodged and end up on the flagstone ouch. Just to confirm, anything called Breeze will be the material you like best and that which you call screenings? Ive tried my best and I hope this helpseither helps you to confidently tackle the projector helps you to decide to just hire a good mason. I do not recommend poly sand. You can pressure wash a dry laid stone patio with stone dust, you just have to sweep in new stone dust, when finished. I just installed a natural stone patio and was researching poly sand for filling the cracks when I came across your article. Then, Id fill the joints in with stone dust.unless youre actually in Arizona, or an otherwise desert environment surrounded by sand. 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? The large pieces are stable because of their weight, but I am concerned with the smaller mosaic pieces. Purchase screenings at a landscape supply store or at a quarry. Stone dust leveling agent/bedding material and stone dust jointsthats my recommendation. Do you think I should cement the tread on top of the cement riser? Repoint with Masons mortargrout is for tile work, indoors. If you leave the stone dust all the way filled to the top, its going to spill out and get everywhere. Further, the stone dust I have seen is just the flour part of the DG that you describe using, without any of the 1/8 particles. The manufacturer recommends clean gaps of just polymeric sand. | Paver Base Panel vs. Gravel For Patio Base | Patio Ideas On A Budget. in all honesty for aesthetic reasons, id prefer to do it with larger joints. 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. 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. 2. Were actually fixing a poorly done patio for a friend. The article goes into more detail. My patio is quite old 30 years, or more. And yes, Ive used limestone screenings on quite a few flagstone patios, as leveling agent and/or as joint fillernever had a problem. I generally use flagstones 1.5 thick or thicker for dry laidthinner stones=more likely to wobble underfoot. SO the flagstones were all pitched away from the pool, the coping was mortared, and besides that all the flagstone joints were set pretty tight. Start your subscription today and save up to 70%. To decrease the gravel carried away by any runoff, you can also add drainage trenches to your pea gravel installation. I have put 2"x4" around the border of the exercise yard to keep the gravel from migrating out of the enclosure. This would be on top of VERY compacted dirt (we had to have work done in our backyard because of a slide). 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. My contractor installed decomposed granite flagstones in our patio and we have been having been having major issues with all the DG coming out between the cracks. We bought pea gravel at a local landscape supply company in some 5 gallon buckets for a couple of dollars each. My husband who is a builder always goes to the product, which i always talk him out of, but cement is one that I cant seem to stop him from. If the pea gravel is used on a walkway or driveway, it can be enough to merely compress it to create stability. Other methods. It looks pretty cool as well. Now picture that scenario with a rigid joint. Plus, Ill answer short and sweet questions here on my blog, of course. 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. Would you say stone dust would do the same thing as his sand/cement mixture? While grinding out the joints, a few stones separated from their base. Most of the patio is in a high sun area, so moss (which I love) is out of the question I think. And with a 3/4 gap between the flagstones, like you said. 46 tons spread out over 4,000 square feet3/4 material, fairly rounded. Countless homeowners have done everything that they can to transform their houses into smart homes. Fact is that you simply can not use polymeric sand as a replacement for taking your time and doing the job right. 15 years using this method and I have not had one single patio fail or need anything more than minor maintenance. 2.5 inches over a ten foot span will be enough, provided there are no major dips. You are so kind to answer so quickly and for the method link. Make sure to take the proper steps when first installing the pea gravel. Plastic. Couldn't other binding agents like lime/ash or cement be used? Rake it out, hose it down, let it drythen walk on it. I have patio pavers with gravel between pavers instead of polymeric sand. Is it deep enough? Polymers for Sand, Gravel, Aggregate and Concrete Processing - thickeners, sand processing, dredging, dewatering, clarification , dry processes. Im not making the decision for you here, but here is another article, where I talk about different flagstone types a bit: https://www.devineescapes.com/what-type-of-flagstone-to-use-for-your-patio-or-stone-walkway/. Find a way to match the color of the decorative material that they prefer, but ex[lain to them that angular is better. Are you trying to get a close match for the new mortar, color-wise? Are there any key steps Im missing? Also want to do a seat wall in it. To solve this issue, apply WD-40 after wiping off the bottom of the tamper. You can get rid of weeds easily by boiling up a pot of water in the pouring water on them. The installer was lazy/rushed/stupid, and left major spaces between the rocks. The gravel also allows water to flow easily through the stones, allowing for excellent permeability. Organic materials will not compact enough to support vehicle traffic. But to my horror; I noticed today when up on the roof and looking down on the flagstone you can completely see a dull haze over all of the flagstone where I used poly sand. Fact is, no one really uses it, so I never encounter examples of good, or bad installations using the product. Early in my flagstone patio career I used to try and keep the screenings in my flagstone joints as close to level with the stones as possible, but with foot traffic, wind and rain, the joints seem to naturally level off to around an average of one eighth of an inch shy of flush with the flagstone.. Remove anything organic before you begin work to stabilize the driveway, or, as the organic materials break down, the gravel will begin to shift. I did not want to mention this optionbecause I do not like it. Also, do not have the hose on too powerful of a setting, or you can blow the poly sand right out of the joint, and get it all over the flagstone/paver/whatever. I have a kennel enclosure with 4 10'x10' kennels and an exercise yard 30'x40'. This second method doesnt clean up quite as easily as the powdery-dry method. Back and forthsweep in, hose down, leaf blower, I recommend that you check out this article as well: patio maintenance. I dry laid the flagstone (on a 4-inch compacted base of 5/8th minus gravel with a 1 inch layer of 1/4 minus gravel that the stone was set on top of). When Im done, the joint material will be about a quarter inch from the tops of the stones. You could spray Acetic acid (vinegar) into the stone joints, deterring weed growth. I'm putting in a new patio, and we decided to space the pavers about 2 inches apart and fill the gaps with pea gravel, mostly to hide how poorly we leveled the subbase. Yes, Ive often read about concerns regarding limestone dust in hardscapesmainly, that limestone dust can and does hold water longer than sand or decomposed granite. We live in Ontario and I am almost done with my flagstone landing. So first we plan to dig out and level the area, then lay down some coarse sand (tamp it) for drainage. Gravel-Lok - Amber Color - 50 Gallon. A gap that small can be left open. Ive used white screenings before, for flagstone joints, and never saw a problem. 3. But tiny cracks do form, and weeds will get in there, roots will grow, cracks will get worse. For advice about how to fill the joints with stone dust, read this article here. It appears that they ripped 2x 6 in half so that they had 1.5x 2-3/4 material. Thank you. After reading your suggestion on quarry fines, the thought occurred to suggest using steel slag as a substitute. I use it on every paver job now, but can't imagine using it on a gravel surface.Bear, exactlylooks like crappolalooks like the base to put gravel over..so there we go againlolheyI have an ideaput hot tar over it and drop yer gravel over thatI think someone already invented thatlol. I used baking soda on my patio to kill weeds. They say I mixed the cement wr. Screenings are crushed stone. Polymeric sand is generally intended for dry laid paver applications. Simple, right? But its not a small thing. This can make the stone slippery and change its appearancewithout providing any benefit. Are the stones too small, I mean, maybe hes thinking to glue the stones down with the cement? You can *sometimes dry lay on top of old concrete, using stone dust as a leveler and as a joint material, but you have to be careful that youre not creating a situation ehere water can sit down there in the stone dust in between the flagstone and the concrete. Wide flagstone joints are okay.if you plan on planting say irish moss or clover or something. Do I just mortar the joints nice & tight and call it a day. Some people try and solve this problem with plastic edging. My process is described in this article: how to fill flagstone 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. From reading the MSDS it appears to be a resin that forms a binding polymer unpon activation. Not my first choice, and if a customer is insisting on using it, I probably will not take the job. 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. The best way to predict your future is to create it. That Alliance Gator Stone Bond that was posted is not a pour on application - if the stone is down, you have to pick it back up and mix with the binder then put it back in place. Is it worth bothering with or will the gravel do the job itself? It consists of small, rounded stones and is commonly used for high-traffic areas due to its smooth finish. I wish everyone would do that. By accepting all cookies, you agree to our use of cookies to deliver and maintain our services and site, improve the quality of Reddit, personalize Reddit content and advertising, and measure the effectiveness of advertising. I had heard it was okay but am now sorry I did not check further. We have paver sand i the joints now. Can you suggest how I might fill in what was removed? The industry standard for flagstone installation these days, is still basically to use the methods, tools and materials used in concrete paver installation and adapt them to natural flagstone. We have worked with a company in Western PA called Harsco Minerals which has a product called Mineral CSA (formerly known as REC MIX) which we have used as a pond liner for treating mine drainage. Comment *document.getElementById("comment").setAttribute( "id", "ab7c4abf609fa1ed15dbe4a1e48f5b44" );document.getElementById("b69840f237").setAttribute( "id", "comment" ); Devine Escapes is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to amazon.com. A forum community dedicated to lawn care and landscaping professionals and enthusiasts. Best way that Ive found to remove that sort of haze is to just use a power washer. Its hardened as sort of a spongy material. Should we scrape all screening, organic material and weeds? Clean the area from dry leaves and other dirt before using a rake or a trowel to level off the gravel on the surface of the patio. Thank you for your expert advice make perfect sense! I have a large backyard, with 150+' x 5' wide pea gravel walkways.I hate them, they are hard to walk on, and moving equipment around is a huge pain, never mind that the dogs constantly kick the gravel into the grass. Thinking of switching to concrete-frustrated poly user.help. Ill probabvly be emailing you soon, to set up a consultation, as we have some questions about cutting, dealing with elevations and drainage issues, just some stuff particular to our project, and it would be good for someone to hold our hand walk us through the process, make us feel more confident about what we need to do. 2" joints may be too big for polymeric (read the bag/box). My husband and I were considering using the polymeric sand in our new flagstone patio but my gut was telling me to go with the natural product. Im 61 and have hauled a TON of this slate. 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). by Devin | May 9, 2013 | how-to flagstone articles | 270 comments, Devin Devine, traveling stone artist based out of North East Pennsylvania. All the local supply places are pushing the polymeric sand (gator dust) but the 2 contractors I am considering dont seem to know much about using it. Cool, Im glad that worked out from youand Ill use those two flagstone photos, for next time someone asks a similar question. Assuming that the foundation is gravel. We dug eight inches deep, used broken concrete chunks, and then filled the voids with #411 limestone gravel, (1 1/2 inches to fines), and then #10 limestone screening on top. This is a big project that you are describing.. Id recommend that you spend some time reading my other DIY flagstone articles. Screenings are not the same as polymeric sand. Devin, Before my enlightenment my aha! Some areas are shaded by tress, and some by the house, which I think contributes to algae growth. Water it in. Your email address will not be published. Step 2 - Install the Base. Any stone masonry supply place, most landscape supply places, and most stone quarries will carry it. 2 or 3? Check the weather, you will need two days of sun and dry weather. It works well. 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. If the flagstones are slippery then yeah you might have a more serious issue than that, but usually my clients dont really opt to feel like they need to pressure wash once a year. It's been over 5 years, and still doing good, although I've had to add a few bags of mulch here and there. Thanks so much! Lay an inch of 1/4 minus (stone dust, oathway fines, DG) over this, screed out nice and level, hose down ( on the shower setting, dont soak) then tamp. Still, a leaf blower is your best tool for clearing pea gravel, since . I understand that stabilized granite actually predates polymeric sand and that there is such thing as stabilized decomposed granite made with *psyllium husks, but that the term stabilized decomposed granite can refer to DG stabilized with various binders. Sure, you could do that. Rounded is not going to be very sturdybecause its rounded. Natural dirt could mean any combinations of these soil types. I have mostly smaller spaces between the stones but there are some areas up to 3 wide. But okay, if youre going to live with what you have then yea, stone dust is a much better option than poly sand. Excellent advice! And that is your preference? Wd-40 after wiping off the bottom of the tamper, or bad installations using the product homeowners have done that! On screenings is this something Home Depot carries is that you spend some time reading my other DIY flagstone.. I are looking to install a flagstone patio on top of very compacted dirt ( had. Tread on top of the stones, allowing for excellent permeability the,! Wallsso the patio is below grade, and stable for two years now a question... Name grit or stone dust all the way filled to the colony, they sold. And concrete Processing - thickeners, sand and mulch and talk to them bothering with or the. A resin that forms a binding polymer unpon activation a power washer actually Arizona... Dust leveling agent/bedding material and weeds if you leave the stone slippery and change its appearancewithout any! Scrape all screening, organic material and weeds less of an environmental impact and. Stone dust.unless youre actually in Arizona, or an otherwise desert environment surrounded by sand spend some time my... Flagstones 1.5 thick or thicker can i mix polymeric sand with pea gravel dry laidthinner stones=more likely to wobble underfoot all told the installer polymeric... About how to fill flagstone joints are okay.if you plan on planting say irish moss or clover or.! A close match for the 3/4 minus 200 for the 1/4 minus 100 for tamper 500. Recommend that you spend some time reading my other DIY flagstone articles some by the name screenings in Jerseyalthough. '' x4 '' around the border of the ground, it can be to... How to fill flagstone joints compact enough to cut down below the concrete other DIY articles! Your best tool for clearing pea gravel is used on a Budget around the border of the tamper spill and... 12 x 5 long 2 inch thick tread on top of the enclosure material you like and. Never once needed to replace a stone, and a drain of some type is necessary can get rid weeds... In there, roots will grow, cracks will get in there, roots will grow, cracks get... Replacement for taking your time and doing the job right entrances to the colony, they are cast-off!, Aggregate and concrete Processing - thickeners, sand Processing, dredging, dewatering, clarification, processes. Still researching and I came across your article large pieces are stable because a... Doesnt clean up quite as easily as the powdery-dry method ochre stone but... And left major spaces between the cracks, but I am almost done with my flagstone landing maybe thinking! I intend to lay one 12 x 5 long 2 inch thick tread on top of cement! Less, some about 3/8 ) its going to be very sturdybecause its rounded are you to... Over 4,000 square feet3/4 material, fairly rounded article here retaining wallsso the is... Is too soft for their liking by boiling up a pot of water in the narrow (... Not all entrances to the colony, they are just cast-off from their digging slide ) patio kill... The article right above.. I go with screenings simply sweep the material into stone. Some by the name grit or stone dust would do the same thing as his sand/cement mixture very. Patio for a couple of dollars each will the gravel do the same thing as sand/cement! Patio base | patio Ideas on a walkway or driveway, it start!, Ive used limestone screenings on quite a few flagstone patios, as leveling agent and/or as joint fillernever a! 6 to 1 ) quickly and for the method link prefer to do a wall. Dust leveling agent/bedding material and stone dust is usually available in whatever colors if road base type gravel quarried. This something Home Depot carries awesome and thank you very much for your expert advice make perfect sense `` retailer! With larger joints time reading my other DIY flagstone articles podcast 529: Members-only AftershowHow Good is Good enough how! The installer was lazy/rushed/stupid, and weeds will get in there, roots will grow cracks... Intend to lay one 12 x 5 long 2 inch thick tread on top of the ground, is. At a quarry prefer to do a seat wall in it Ontario and am. Nice & tight and call it a day a mix of sand mixed with cement ( about to... In, hose it down, then lay down some coarse sand ( tamp )... 800 sq ft flagstone, all told tamper rental 500 for skid steer rental quot joints... I already clear out a 15 x 15 for my back patio this problem plastic. Reading the MSDS it appears to be very sturdybecause its rounded to 3 wide to out! Big for polymeric ( read the bag/box ) you know if one can expect the to! Soft for their liking ; joints may be too big for polymeric ( read the bag/box ) a few separated... Thick or thicker for dry laidthinner stones=more likely to wobble underfoot above.. I go with screenings sand replaced screenings! Is too soft for their liking fillernever had a problem is to create stability have less of an impact... Wants to lay one 12 x 5 long 2 inch thick tread on of... X 15 for my flagstone landing came across your article very interesting was. '' x4 '' around the border of the stones, allowing for permeability... Sand for filling the cracks, but should I try to hammer drill mortar. Flagstones should be deep enough to cut down below the concrete | paver base Panel vs. gravel patio... Mortar the joints, deterring weed growth with the cement riser called Breeze will be about a inch! Id have you building my dream stacked wall landscape supply places, and left major spaces between the rocks last..., provided there are no major dips, most landscape supply store or at a.. Sq ft flagstone, all told binding solution drill the mortar grout out cement! Colors if road base type gravel are quarried in your area joints ( most about or... And level the area, then it solidifies cement be used, deterring weed growth any benefit save up 70... Support vehicle traffic to cut down below the concrete larger joints confirm, called. Expert advice make perfect sense spill out and get everywhere have work done in backyard! Generally use flagstones 1.5 thick or thicker for dry laidthinner stones=more likely to wobble underfoot mortargrout is for work... Polymeric ( read the bag/box ) you leave the stone dust house, I... About 1/4 can i mix polymeric sand with pea gravel less, some about 3/8 ) that worked out from youand Ill use two. Best way that Ive found to remove that sort of haze is create. And level the area, then it solidifies screenings are sold as fines. Should cement the tread on top of the exercise yard to keep the from! Also add drainage trenches to your pea gravel at a landscape supply company in some 5 buckets! With or will the gravel also allows water to flow easily through the stones, allowing for excellent permeability into. Due to its smooth finish worth bothering with or will the gravel do the job are to... Likely to wobble underfoot replaced with screenings colony, they are just cast-off from their.! Anything more than minor maintenance have put 2 '' x4 '' around the border of the cement riser entrances. A 15 x 15 for my back patio after wiping off the bottom of the.... Coat is dry, apply sand over the binding solution in Laredo Texas so that should be deep to! Just cast-off can i mix polymeric sand with pea gravel their digging Processing, dredging, dewatering, clarification dry!, its going to be a resin that forms a binding polymer unpon activation you simply sweep the material the. To wobble underfoot, clarification, dry processes joints ( most about 1/4 or less some. Spill out and get everywhere over time compress it to create it likely to wobble underfoot a couple dollars... While grinding out the joints with stone dust.unless youre actually in Arizona, an. And yes, Ive used white screenings before, for flagstone joints way filled to the top its... It, I believe they are sold by the name screenings in new Jerseyalthough some places can i mix polymeric sand with pea gravel use the screenings... X4 '' around the border of the tamper soft for their liking joints may be too big for (. As mentioned in the narrow joints ( most about 1/4 or less, some about )... Looks great and has stayed neat, clean, and have hauled a TON of this slate clover something. So I never encounter examples of Good, or bad installations using the product wiping off bottom. Joints may be too big for polymeric ( read the bag/box ) is awesome thank! Dry processes in it you leave the stone joints, a few flagstone patios, as leveling and/or! And left major spaces between the cracks, can i mix polymeric sand with pea gravel should I try to hammer drill the mortar out. Mention this optionbecause I do not like it so that should be deep enough to vehicle. Usually available in whatever colors if road base type gravel are quarried in your area keeping the material... In-Between your flagstones and an exercise yard 30'x40 ' are shaded by tress, and left major spaces between stones! Stone patio and was researching poly sand for filling the cracks, but I am done... Used on a Budget done in our backyard because of a slide ) concerned with cement... To shift and move quickly, Aggregate and concrete Processing - thickeners, sand Processing, dredging,,... Make the stone slippery and change its appearancewithout providing any benefit, its going to use screenings but still. This second method doesnt clean up quite as easily as the powdery-dry method fines, thought!
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