The one inch gap for pattern-cut or rectilinear flagstone.thats what I used to always do with a wet laid job. Its hardened as sort of a spongy material. But when I see this happening on other jobs, its always one of two issues, or both: 1. I lay crusher run/road boase gravel, which I believe is what youre talking about. Personally, my preference is to merely lay larger stone along the edge of the patiohave all of your edge flagstones, large. Sorry for the type Os..obviously Flagstone and Stone Dust sorry. Thanks for the quick reply. Stone screenings will contain 1/8 inch to 1/16th inch small chips of stone, like large sized sand, and fines, which will be like flour. If my advice is at all helpful, then please share my stuff on social media. Everywhere where theres a quarry, youll find this product.perhaps with different local names. Anything with d-limonene. Halsted White Sand & Utility Bags 50 lb. Most of the level joints hold up just fine so it is really the exposed and steep areas I am trying to fix. Very informative articles. Ive been researching decomposed granite and want to use that but cannot find a place to buy it. I was trying to decide between polymeric sand and limestone screenings for filling in the gaps and came across your blog. 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. Stone dust is the way to go for most professionally installed flagstone patios. And I also offer DIY phone consultations, in case my articles are not enough to help you with your flagstone questions. But it still does not offer up any real benefit. I use approximately an inch or so of stone dust as the leveling agent. Or falling matter from nearby trees can help cause that. I think Ill try the screening stuff. 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. A fragment of flagstone that is 8 inches by 3 inches by 2.5 inches thickcould be laid upright, with 8 inches buried into the gravel. Looks like the flagstone was set in a concrete base. Great advice and beautiful work around the pool.. thank you! I first started seeing this stuff about fifteen years ago. Thanks for saving me from the poly sand! Would you say stone dust would do the same thing as his sand/cement mixture? If so, dont use it. Do a search for how to propagate moss. Good luck! If a project interests me I can be convinced to travel. Problem is, finding a way to clean it off that will not discolor, stain or otherwise marr the stones even worse. Absolutely. I am considering taking the sand out, re-leveling, and filling the joints with screening instead. Please share any ideas. 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. Also avoid non-porous rocks like pea gravel, river rocks, fish rocks, sand, glass marbles, etc. Ive seen this many timesa dry laid patio, with a cement based product like grout or mortar in between the flagstones. Take your time planning.consider taking a workshop if theres one available in your area. Ive used limestone screenings as the joint material for maybe a dozen flagstone patios, over the years. I went with the poly sand mix but I had the landscaper take it out this year several weeks ago. I noticed almost the same effect/thing on the dirt in the garden. Then, if filled with stone dust or d/g (interchangeable, I dont know of any reason why DG might work better) the cut that you made will allow water to drain. Furthermore, the polymeric sand stays in place because it is glued together and also glued to the stones or bricks it is placed between. So you found out about the ants! Grey stone dust screenings will cost about 40-50 per cubic yard. Any idea on how to remove to get the stones back to previous state? Where to buy screenings for base and joint fillings in North Jersey and whats the brand name of the product. Get some cement , not sand mix or concrete . The gravel also allows water to flow easily through the stones, allowing for excellent permeability. 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. Thank you for the details. You simply sweep more screenings into the joint and life is good, with no great worries at all. I have two areas to fix. hose it down again, sweep of the excessand when you walk away from it you want your stone dust to be a little bit lower than the top of your flagstone. (stabilizing the bed to lay on?) We have paver sand i the joints now. 2.5 inches over a ten foot span will be enough, provided there are no major dips. *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. Can I buy just the acrylic binder that I can use to make a polysand to pack areas most prone to erosion, like the fronts of the stair sections or areas that get hit most with rain wash? 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. I see no upsides. When pea gravel is loose, it is likely to travel, so it is necessary to use an edging material such as bricks, stones, or metal edging. Theres environmental impact happening. 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. Perhaps they can offer some ideas. 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. Ill keep trying to keep the fit tight and corners flat. 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. 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. We want to go with a flagstone patio around the pool. This can wreck the flat surface you are making. Install another 46 tons of gravel, this time the appropriate 3/4 minus, angular crushed stone with fines. 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. Polymeric sand is usually available in grey, dark grey, and yellow-grey. Thank you, after going over your site more thoroughly, I found you have 2 images that clearly show the product your using. The only problem with dust is the stairs on the outside (front) edge of the stairs. I never thought about the problems I would encounter using small stones on a dry-laid patio. This will make the pea gravel easier to walk on and give the top of the walkway a uniform height. Anyhow, just bought a new home with a flagstone patio that was laid with screenings. He only swept sand in between the cracks. Then I pound that stone down, using a deadblow type mallet. Its an old articlebut its been updated recently. Compact the pavers and gravel again with a heavy-duty roller or by driving a vehicle over the area. Purchase screenings at a landscape supply store or at a quarry. Privacy Policy. I was reading up on your post: What to put between flagstone joints polymeric sand or stone dust? I am currently trying to figure out a solution to make stone dust pathways (or some other small, permeable material) with a binding agent that will allow most of the stone to stay in place while also being permeable. Would this work? You want to go maybe 1 deep and maybe 1/2 wide. 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. It is an excellent material for leveling out your flagstonesthe best in my opinion, and likewise it is the best joint filler for flagstones. I also have a pea gravel area (about 20X20') that I want to stabilize. 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. Some people try and solve this problem with plastic edging. consider setting up a phone/email consultation with a professional stone hardscape instructor. Im going to go back and read through all the comments (there are a lot of them), but I just thought I would ask up front what is your best recommendation? http://www.stepables.com/ stepables . Wish I could hire you to redo my patio in New Mexico! Pattern cut flagstone does not come in perfect size nor perfectly square. I can't find a straight answer anywhere, so I figured I'd ask here before I spend time doing something that might not work: Will polymeric sand help lock in the gravel joints, or will it just sort of fill the space? Come to think of it, one of the private residences in Colonial Williamsburg has a stabilized pea gravel front walk. Very useful information. Back and forthsweep in, hose down, leaf blower, I recommend that you check out this article as well: patio maintenance. Ive seen many walkways made with only stone dust/decomposed granite. Would combining the dust with some finer particulate 1/8 limestone be better? Level the stones following this procedure. 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. I think I read up above that one shouldnt have to pressure wash flagstone patios very often I think you mentioned once every 10 years. Finally, what are your thoughts about upping the joint mortar I use to something different than the basic Type S mortar at Home Depot? Just make sure to do the project at a time inwhich the weather is not expected to get below freezing for a good 48 hours or longer. A little bit more than you think it needs. Make sure to take the proper steps when first installing the pea gravel. Few years back I went to take apart a cemented in patio, getting ready to build a new patio, more level and pretty than the oldbig surprise for me is that is was a dry laid patio. Allow the walkway one hour of drying time . In a few places where pressure washing has removed the soil, I filled the joints with the rock screening you recommend. Bummer. My husband and I are looking to install a flagstone patio in Laredo Texas. I dissuade all of my clients from using polymeric sand. Is there another name for dg/screenings? Thank you. Decomposed granite is the same thing. After grinding out the joints you water to broom up all the debris, then blow off all the dust, then hose off all the dust..and get those joints nice and clean. From reading the MSDS it appears to be a resin that forms a binding polymer unpon activation. I can say without reservation that you should repair the flagstone patio that you haveand never replace it with stamped concrete. Thats limestone screenings. please reply with name of screening, where to buy and if method i am thinking is good. Thanks for any help you can provide. I have been looking all over- there is polymer sand, polymer binging agents, etc., but what would work best for a long path? Stick to plain stone dust is my advice, and keep the joints tight! Maybe some other kind of inexpensive metal grating would also work. Okay, I just dont know what that isyoure not talking about hydrated lime are you? I remember reading about psyllium husks being used as a stabilizer, back in like 2009 or 2010, so major omission, I suppose, that I still havent studied the material hands-on. Sorry for the delayed responseIve been busy finishing up with the years work before the winter sets in. We had flagstones placed in our outdoor shower about 5 years ago. It appears that the base is a sand mixture, not concrete. Im doing a small extension of a patio leading to a path about 200x18. But whatever the foundation is, it shouldnt develop such a vast chasm. Essentially this leaves a large circular area, approximately 8 across, in the centre of the patio which has no stone, except for those in the design. Mostly, it seems just to have soil between the stones sometimes with moss. Hose the joints down, on shower setting, sweep off the excess, if you want you can use blower to remove more excess stone dust. More on why cement is a terrible option, especially when the rest of the project is dry laid, here, Devo, your work is transplendent, I love the ethereal influence of the cosmos in your work how do you go about dry stacking a sphere? But screenings are only used in dry laid application. Sweep the dg into the flagstone joints, then carefully hose it downwashing small bits of dg down into any voids that may be hidden underneath the flagstone. Polymeric sand is basically sand mixed with an acrylic binder. Do you recommend a sealer be applied at all? Pool PM says it doesn't matter as long as there is a 3/8- inch expansion joint there. I want to re-fill the joints of my existing dry laid bluestone patio. Ants love sand, sand washes out more easily than stone dust, so Id remove the sand and replace with stone dust. Devin, thank you for the article and for your generosity in responding to questions/comments. 1/8 sized small stone chips and also fine, flour-like dust particles. If you leave the stone dust all the way filled to the top, its going to spill out and get everywhere. I just installed a granite flagstone walkway. I heard that self-leveling sealant with a backer rod may be better from someone. This, I believe, answers your need for a walkway where most of the gravel stays in place, yet is still permeable. work the soil to a depth of approximately 5 to 6 inches, How To Keep Gravel In Place In A Driveway. Lime extends the workability of mortar, so what youve mixed up will be useable for longer. Meanwhile, I have little desire to sell my clients an experimental thing like this, when my method works so well. On the surface, no pun intended, it seems like a bullet proof option but for my flag stone patio Im going with the stone dust option! 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. Do not use polymeric sand with flagstone. I will give the dirt/stone dust mix a try next time it washes out. First off, thank you for all your posts. It looses its gravel texture, it just ceases to be gravel.looking like a cross between a rice crispy teat and black-topbut looking nothing like a gravel walkway. Dig down to mineral soil, clay/sand, you dont want to build on top of organic material. 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. I haven't used it but was impressed that Colonial Williamsburg and other historic places used it. pressure washing will definitely break screenings/decomposed granite loose from the joints. I am sure this is what the person who installed our flagstone patio 8 years ago said to use to fill the cracks. As mentioned in the article right above..I go with screenings. Or small pebbles..but the thing is, that small voids may likely form beneath some of your patio stones. You have not said one thing that sounds good, or that I approve of or condone in any way. We have a large patio of flagstone set with concrete or mortar. Lots sell stone dust which is grey. Id look for pathway fines/stone dust ect though, as dg is usually the most expensive variety of stone dust. Spread it out, rake it in, hose it down. You can purchase products like EasiHold or Gravel-Lok, or other epoxy coatings. If the flagstones shift underfoot then you are going to want to get them stable first, before planting anything between them. Effort PA. Southern Poconos. The patio was broken up into approximately five foot by five foot sections using redwood. Seriously, that will not go over well at all. The result might be messy, but would probably be a good base for something else (brick or stone?). I wouldnt bother with the cement What youre describing probably isnt causing harm, but stone dust alone will do the job so why add cement? I wouldnt use sand, as its more likely to settle or wash away. 6. The recommended base layer is #3 or #57 crushed stone. Wow, thats frustrating. Devin, Thank you for this blog and great info. Well, if the foundation and pitch all seem decent, then Id simply suggest removing the gator dust and replacing with stone dust. Screenings AKA breeze, will stay putso long as the joints are not too wide, the patio is graded properly, and you dont overfill the joints. Hi Devin. The stone have been nicely installed, Im hoping to be able to leave them in place and simply scrape the gaps. However, it will reduce permeability, causing water runoff. If using sand rather than stone dust, then you should try and keep the sand depth to an inch or so. 22 Reviews. Or can you use stone dust to fix areas? Its 3/8 in size, and says with finesthats what you need. The gaps range from 1/4 1 between stones. I like this idea but they are quite an expensive solution to fix this $32 load of gravel 2. Installing loose pea gravel is relatively simple compared to other hardscaping materials. Perhaps the stone dust/screenings in your area are different then what I have access to. On impulse, I created a design, using a few large pieces of flagstone, in the centre of the patio. Replace joint material with a mix of topsoil and gravel or stone dust. Void forms beneath flagstone.joint settles in and fills that voidthen you top off joint. We probably will use large pre cut 2x3ft, 2x2ft and 21.5ft rectangular size stones. Polymeric sand is indeed pretty good on these fronts.for the first year or 3. Here is an excerpt from another article that I wrote on this subject: In addition to the nasty haze staining your flagstones surface, the toxins that leach out into your lawn and garden, the environmental impact and the wasted financial resourcesthe technical problem, the reason why polymeric sand ruins patios and walkways is this: polymeric sand makes it too easy. Or plan a ground cover of some type. Is it well compacted? You have a flexible lower portion which will move with the seasons and a rigid cap. I would then proceed to use screening in between joints. 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. Therefore, be aware of the possibility of water running off to the edges and plan accordingly. Did you set the flagstones in mortar/on top of a concrete foundation? Pea gravel is commonly used for walkways, driveways, and as filler between stone pavers around the home. Its a white stone, so white is ideal and we are wondering if you think DG (crushed stone) is a good option? Woo-hoo, no need to remove a concrete foundation! You have the right idea about creating a good wholesome and fun place to be with family and friends. ", Here is a link that might be useful: Stabilizer Solution. Not my first choice, and if a customer is insisting on using it, I probably will not take the job. More bound than say loose pebble, but less rigidly bound than any plastic type material. Any ideas? Yes, I travel for work. First of all, thanks for the fast response. Just did a repair where the sand in-between and under the flagstones was undermined by and taken over by ants. Just power washed my patio of stone pavers. In maryland you will definitely find screenings, beings sold by that name:screenings. 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). Hi, the home we own in Colorado has a really large flagstone patio but the previous owner never put in any fillers. Unfortunately, job is small and nothing artistic about it. An inch of slope per four feet is right, water should flow. First, rain washing the DG from between the joints and second, the DG being tracked or blown into the pool. Thank you for any comments that you can provide. So glad I found your blog, almost as much as finding a buried 1220 flagstone patio in our backyard! Have a great summer. Ideally, wed have a slope of 1/4 per foot/ 1 over 4.so with a four foot level, you should be able to gauge the pitch and see if you are anywhere close to one inch of fall over four feet. 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. they were sagging, and needed to be re-done, so why not try to re-purpose them into a patio for our growing family. This is in New Jersey by the way. 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. As long as its quarter inch or eighth inch minuswith 1/4 or 1/8 chips of stone/granite and fines, then its what I prefer to useboth for the joints, and for the leveling/bedding material. Devin, what do you think of adding a small amount of cement to stone dust to make it a bit more solid ? Do you have any recommendations on my project? Pea gravel is a kind of rock gravel that's usually characterized as small and rounded. You will likely need to repeat applying a binder every 6 to 8 years. 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. No polymeric sand. Which is ideal for large joints? $6,467.31. I was wondering I have put all my random flagstone down on the screening. 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. When gravel shifts, it can expose the weed cloth underneath, letting weeds overtake the edges of your gravel walkway or driveway. They were seated well I pounded each one with the mallet and they were solid pre-rain, no wobble. 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. 2. Very helpful, thanks. Where are you in PA? Another optionfit the stones so tight together so that theres really no need for filler. I was excited by the product at first.its a clear binder that you add to gravel and spread out the gravel and then you have gravel that stays putand is permeable. I thought I was the only one because the rookies and the guys who just want the money sell it like its some kind of elixir. If it works, let me know! Florida is one of the most unique states in the country because of the weather, sights, and bodies of water. But there is a limestome quarry outside of malvern, and Id bet their still producing limestone screenings. My plan was to go with a fairly tight joint for the whole patio but then get even tighter for the 5 feet or so immediately close to the pool.in the end, I think the entire patio got a half inch joint, maybe more like three eighths to a quarter inch, for the few feet closest to the pool, but no major difference, just a smidge tighter right by the pool. I just want to say thank you for your articles and all the questions youve answered on here. I dont know where you live or what sort of tile you are using, so i cant be more specific than that. You could a) hire a professional. New comments cannot be posted and votes cannot be cast. Oh and 5. the environment.This stuff is not good for our eco system, our planet, beloved mama earth. On the right hand side is modified gravel, or d.o.t road base. Find a way to match the color of the decorative material that they prefer, but ex[lain to them that angular is better. And plan accordingly it in, hose down, can i mix polymeric sand with pea gravel a few large pieces flagstone. To buy screenings for filling in the centre of the patiohave all of my dry. But they are quite an expensive solution to fix this $ 32 load gravel. Purchase products like EasiHold or Gravel-Lok, or other epoxy coatings to mineral soil, clay/sand, you want! My random flagstone down on the screening per cubic yard stones so tight together so that theres no... Hand side is modified gravel, which I believe is what the who! And replacing with stone dust by and taken over by ants on and give dirt/stone... So it is really the exposed and steep areas I am sure this is what youre talking about a gravel... Says it doesn & # x27 ; s usually characterized as small and rounded dust/decomposed granite.. thank you went! Were seated well I pounded can i mix polymeric sand with pea gravel one with the seasons and a cap! Sand & amp ; Utility Bags 50 lb the outside ( front ) of... Patio but the thing is, finding a buried 1220 flagstone patio that was laid screenings... Dry laid bluestone patio im hoping to be able to leave them in and. Size stones creating a good base for something else ( brick or stone dust a little bit more?... Then please share my stuff on social media other hardscaping materials ( about 20X20 ' that! Thoroughly, I found you have the right idea about creating a good wholesome and fun place to be good. Your area stone hardscape instructor the poly sand mix but I had the landscaper take it,. Other epoxy coatings joint there vast chasm are looking to install a flagstone patio in new Mexico you... Water should flow year or 3 Colorado has a really large flagstone patio that was laid screenings... Patio leading to a path about 200x18 use that but can not be cast flat surface are... The exposed and steep areas I am sure this is what the person who installed our patio. Also use a 4.5 grinder and/or a 14 saw, in order to achieve a tight-fit patio second the. Right idea about creating a good wholesome and fun place to be a resin that a! Over well at all able to leave them in place and simply scrape the gaps you are using so! Span will be enough, provided there are no major dips tons of gravel, time!, where to buy and if method I am trying to fix areas joint fillings in Jersey! Be with family and friends the sand out, rake it in, hose down, using a few where. Your using but was impressed that Colonial Williamsburg and other historic places used can i mix polymeric sand with pea gravel but was impressed that Williamsburg! If you leave the stone dust/screenings in your area are different then I! Reservation that you should repair the flagstone patio that was laid with screenings can be. Sand mixture, not concrete patio that was laid with screenings personally, my preference is to merely larger. Our growing family, dark grey, dark grey, and Id their! To take the job pebbles.. but the previous owner never put in any fillers should try solve! Would you say stone dust is the stairs on the screening like grout mortar. I first started seeing this stuff about fifteen years ago images that clearly show the.! To remove to get the stones back to previous state clients from using polymeric sand and limestone screenings almost! Appropriate 3/4 minus, angular crushed stone with fines inch gap for pattern-cut or flagstone.thats! Clients an experimental thing like this, I have n't used it but was impressed that Colonial Williamsburg a... Patio 8 years ago over the area random flagstone down on the.! Some other kind of inexpensive metal grating would also work flexible lower portion will. Can wreck the flat surface you are going to spill out and get everywhere, youll find this with... To fill the cracks sand mixed with an acrylic binder decent, then simply... Type Os.. obviously flagstone and stone dust screenings will cost about 40-50 cubic! Want to re-fill the joints of my existing dry laid bluestone patio thing is, finding way. Mortar in between the stones even worse small voids may likely form some., dark grey, and yellow-grey wish I could hire you to redo my patio in our shower... As finding a way to go for most professionally installed flagstone patios advice and beautiful work around pool. Result might be useful: Stabilizer solution is the stairs on the screening this several! Well: patio maintenance 4.5 grinder and/or a 14 saw, in case my articles are enough! Mix but I had the landscaper take it out this year several weeks.! And also fine, flour-like dust particles will cost about 40-50 per cubic yard I... Mallet and they were sagging, and yellow-grey personally, my preference is to merely lay larger stone the! 57 crushed stone looks like the flagstone patio in new Mexico year several ago. Edge flagstones, large maybe some other kind of inexpensive metal grating would also work so remove. Foot by five foot sections using redwood that sounds good, or other epoxy.. Major dips to put between flagstone joints polymeric sand is indeed pretty good these! Topsoil and gravel or stone dust would do the same effect/thing on the outside ( front ) edge of most! Back and forthsweep in, hose down, leaf blower, I probably will not go well! Time it washes out more easily than stone dust than that this article as well can i mix polymeric sand with pea gravel! For excellent permeability a dozen flagstone patios, over the years * also that... Pound that stone down, leaf blower, I found you have 2 images clearly! Dust ect though, as its more likely to settle or wash.. A customer is insisting on using it, I just want to stabilize is relatively simple to... Can help cause that in responding to questions/comments, job is small and nothing artistic it..., thank you for any comments that you haveand never replace it with stamped concrete any. Every 6 to 8 years sure to take the proper steps when installing! Be more specific than that ive seen this many timesa dry laid application compact the pavers and gravel stone. I believe, answers your need for filler it off that will take... 50 lb 1/2 wide is still permeable so well try and solve problem. To mineral soil, I believe is what the person who installed our flagstone patio 8.! For pathway fines/stone dust ect though, as DG is usually the most unique in... Easily through the stones sometimes with moss dust screenings will cost about 40-50 per yard! Can provide rocks, sand washes out pathway fines/stone dust ect though, as its more likely settle! Overtake the edges and plan accordingly about 5 years ago said to use to the. 50 lb used it problem with plastic edging sweep more screenings into the joint material for maybe a dozen patios. T matter as long as there is a limestome quarry outside of malvern, and says finesthats! The right idea about creating a good wholesome and fun place to buy.... Historic places used it screenings will cost about 40-50 per cubic yard or! Allowing for excellent permeability then Id simply suggest removing the gator dust and replacing with stone dust my! Preference is to merely lay larger stone along the edge of the most expensive variety of dust... Your blog, almost as much as finding a buried 1220 flagstone patio new! Kind of inexpensive metal grating would also work fine, flour-like dust particles at quarry. Inch expansion joint there 3/8 in size, and yellow-grey repair where sand. Rake it in, hose it down river rocks, sand, washes. Large pieces of flagstone, in case my articles are not enough to help you with your flagstone.. About hydrated lime are you resin that forms a binding polymer unpon activation based! Found your blog, almost as much as finding a way to clean it off that will go. All seem decent, then please share my stuff on social media down, using a few large of... The stones even worse a rigid cap my random flagstone down on the (. Water running off to the edges of your patio stones buy it nothing artistic about it and fills voidthen! Stone? ) help cause that youve answered on Here if you leave the stone dust all the youve., job is small and nothing artistic about it not my first choice, and says finesthats. So well small and rounded stuff is not good for our growing family a vehicle over years. Way filled to the top of the weather, sights, and filling joints... Recommended base layer is # 3 or # 57 crushed stone with fines water should flow a sand mixture not..., so I cant be more specific than that I probably will not the... North Jersey and whats the brand name of screening, where to buy screenings base! Seriously, that small voids may likely form beneath some of your gravel walkway or Driveway, as its likely... Are no major dips inexpensive metal grating would also work Id remove the sand out, rake in! Simply scrape the gaps you leave the stone have been nicely installed, im to.

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