Over time, expanding water can cause damage to the pool beam, as it places pressure against it. Depth is easy but keeping the line perfectly straight isnt. +25% and -25% (Total 50%) of nominal material size. This includes embedded pins, anchors, screws, bolts or tracks, trays or rails. It is very important that the waterline tile is installed after the deck is placed so there is no chance of the deck expanding and popping off the tile (see tile placement in the diagram). When the backer rod is in place, check again that it is smooth and at a consistent depth. So if your patio is 4 inches thick, it can be 8 to 12 feet long or wide without requiring an expansion joint. Date:5/1/1995, Publication:Materials Journal The general approach to locating joints and sealing them includes de- They expect it to be built properly and last too, but looks are very important to most customers. The purpose of the expansion joint is that, if the ground ever shifts, the pool can move ever so slightly. You do not have access to www.concreteconstruction.net. Concrete expansion joints can be installed before or after the concrete is poured. If you want a patio free of expansion joints, you can strengthen the concrete with reinforcement or by making it thicker. Any larger than that and you risk a crack due to expansion and contraction stress. Metal 3D printing has rapidly emerged as a key technology in modern design and manufacturing, so its critical educational institutions include it in their curricula to avoid leaving students at a disadvantage as they enter the workforce. 3. expansion joint - accommodates thermal and moisture movement in large pools. Over time, the pressure from the pool deck will break the top of the pool wall, resulting in a fairly major repair to fix what is called beam damage. Date:1/1/2015, Publication:Concrete International You want the coping independent from the deck concrete or pavers behind it. Your IP: 193.70.64.70, Requested URL: www.concreteconstruction.net/how-to/construction/leakproof-joints-in-swimming-pools_o, User-Agent: Mozilla/5.0 (iPhone; CPU iPhone OS 15_5 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) GSA/219.0.457350353 Mobile/15E148 Safari/604.1. Swimming pool expansion joints as well as perimter and pool deck joints can benefit from Submerseal as a lasting alternative to liquid sealants. Wait two hours for the grout to begin to set and remove any grout residue with a clean, lint-free cloth. Frontier Deck Joint is an extruded PVC deck joint material available in 12 foot lengths. Please consider. Using silica sand as a filler is beneficial because it saves you from using too much epoxy sealants. Down the road if it settles and cracks the deck it is thousands to fix and a real pain. The system is locked to the joint faces by means of the 1) backpressure of the foam; 2) the epoxy adhesive, and 3) the field-injected silicone sealant band and corner bead at the joint face to foam-and-silicone bellows interface. This will give the caulk support as well and you wont be using lots and lots of caulk to fill the area. Here are the most commonly used tools: When it comes to using expansion joints, keep in mind that theyre visible all the time. Sikasil Pool Expansion joints - or more appropriately called isolation joints - are an essential part of constructing a structurally sound pool and deck. Concrete feels the same way. Its recommended to have concrete joints along column lines. You can see the expansion joints pretty much anywhere concrete is used on the ground. Caulking the expansionjoint keeps out water. Rushing the process or pouring the concrete when it's too hot outside can cause cracking. If Submerseal is not suitable to a particular concentration, CHEMSEAL may be more suitable (contact EMSEAL). Virginia Graeme Baker Pool and Spa Safety Act, http://swimmingpoolinspect.com/wp-content/uploads/2015/09/shimamoto.png, https://swimmingpoolinspect.com/wp-content/uploads/2021/02/spis-logo-2400x440-1.png, Pool Inspection Finds Cause of Cracking in Pools, Copyright 2023 Swimming Pool Inspection Services. Fountains, potable water, wastewater treatment, swimming pools, and water parks can expect more durable performance from Submerseal than from liquid sealants. Pre-saturation. Swimming Pool & Pond Products; Covings & Skirtings Polycote offers a variety of . In this case, there was no expansion joint present, so a portion of the decking would need to be demolished. Date:7/1/1999, Publication:Materials Journal The pool expansion joint is designed to give allowance for the pool and deck to expand without bumping into one another and causing damage. Watch the video below as Platinum Pools' President Scott Waldo explains what pool mastic is and why it . Date:9/1/2011, Publication:Special Publication If you have shifting soil, a lot of temperature fluctuations or vibrations then use a multiple of 2 and put your joints every 8 feet. This is another way concrete can crack. Pool Caulking is easy, when you know how." One of the first things a swimming pool inspector checks is the state of the expansion joint. Keep this in mind when you choose your joint materials and locations. Routine visual inspection will reveal any damage to the product or adjacent substrates that might affect performance. Control joints should be saw cut or tooled at 24 intervals but the closer the joints are, the less chance of shrinkage cracks developing. Please enter this 5 digit unlock code on the web page. }, Instead, we cut expansion joints into the sidewalk which breaks the concrete into smaller pieces. Phone: 1.248.848.3800, Home > Topics in Concrete > topicdetail, Publication:Structural Journal IMPORTANTCure Time After Installation: Submerseal cannot resist hydrostatic pressures or chemical concentrations stated unless a minimum of eight days* is allowed for the injected silicone sealant bands and corner beads to fully cure. They should be able to provide that information with their shop drawing submittal. It is filled with a special pool caulk that's a flexible sealant. The pool is fairly irregular in shape and thus we have inserted expansion joints in the proper locations with dumbell type waterstops. Tile is usually placed after the coping is poured to not interfere with the forms but can be installed prior if Stegmeier type forms are used. . Place the backer rod into the expansion joint to a consistent depth of 1/4 below the deck or coping, whichever side is lower (usually the deck may have settled slightly). Its important that you purchase the recommended caulk and not use generic household caulk as not all caulks are waterproof. "@type": "BlogPosting", If you own a pressure washer, the high-power spray will give you better results and get the job done quicker. "mainEntityOfPage": "https://blog.intheswim.com/how-to-caulk-your-pools-expansion-joint/", Dubai, UAE We have received your request and will respond promptly. It can also shift with the movement of the earth. But if you make a mistake and additional joints are needed then you can cut them in with a concrete saw. Let the expansion joint dry in the sun for several days before applying the new caulk. It is better to do whatever you can to avoid that. The Benefits of Brick Pavers in Hardscapes and Outdoor Living Spaces. As concrete expands and contracts it needs room to move. When you install stairs on a steel wall kit and you know ahead of time you will use cantilevered coping you want the stairs set to the height of the top of the track strip, usually 1/4 to 3/8" higher than normal. If youre cutting control joints after the concrete has set, dont wait too long. (Learn about pool deck issues and damaging . Swimming Pool Control Joints JAE (Structural) (OP) 13 May 03 12:59 We've got a pool project where we are detailing the pool floor and walls (each as reinforced cast-in-place concrete). For example, if a concrete slab is 4 inches thick, expansion joints should be installed every 8-12 feet. That gives you a joint every 8 to 12 feet. When compressed, a convex bellows is created in the coating. The Offices 2 Building, One Central The most important purpose of an expansion joint is to allow for the expansion of the surrounding cement. A joint trowel tool can be used to ensure there is a space between each slab. Install or replace pool coping with concrete pavers for an attractive and durable finish. Pool. The decking needs to be demolished and hauled away, the soil compacted, a gravel bed put down, and a reinforcing bar installed. Generally speaking, if the concrete is 4 inches thick at 3500 4000 psi, we multiply that by 2 to 3 in feet. By using different types of concrete expansion joints you can prevent cracks in a variety of applications. Search results must be an exact match for the keywords. "url": "https://intheswim.com/", We Have Inspectors who are not afraid of this Virus. Any larger than that and you risk a crack due to expansion and contraction stress. Select a new point . Sonneborn SL1 / SL2 and Novalink SL are most popular. 10. But when its soft, wet or unstable, place them closer together. Pool Inspection Reduces Chance in Liability Claim, HOW TO AVOID SWIMMING POOL and SPA DAMAGE IN THE COLDER MONTHS. We cannot specify the exact location nor frequency of movement joints as there are . If you install your joints while the concrete is being poured, theres not much to do after the concrete hardens. Tile is typically installed prior to the placement of the coping to establish a level waterline and aid in setting the coping pieces though it can just as easily be installed afterward. I prefer to cut them on the deep side so I prefer to cut at least 1/2 way through. Movement / Expansion Joints A. Definitions 1. Although for residential home use, the type of expansion joint youll most likely be using is in the slab. Submerseal is precompressed to less than the joint size for easy insertion. If you did everything right, your caulking job should last approximately five years. Ideal for pool decks. The expansion joint around your pool allows for the pool deck (and the pool itself)to expand when the weather gets hot. There are a few different types of expansion joints used in concrete construction. Thanks. The silicone coating is compliant to NSF/ANSI Standard 61; NSF Standard 51; FDA Regulation CFR 177.2600; MIL-A-46146. 1 Construction joints are used to prevent these cracks from happening. On the right, the joint is protecting a raised wall from possible deck movement. The decking is also used as the coping which is placed in one continuous pour to create a seamless looking deck. Second, consider your filler material carefully if your using one. Do the job when the weather is cool, the caulk is less runny. Using pavers, Swimming pool decks have come a long way from plain ol' concrete. Maximum Joint Spacing should be 24 to 36 times the thickness of the slab. EMSEAL and stand by. 3. Leak Detections: Are They Really Necessary? It is best to pick the coping first. "@type": "ImageObject", After the joint is dry, a round foam rod known as backer rod is pushed into the expansion joint as the preferred method to provide a support base for the caulk, so it doesnt run down, and to create a consistent depth of caulking. This page was last edited on 2 June 2022, at 18:53. Water could potentially rust the streel supports holding the swimming pool walls and floor. *Eng-Tips's functionality depends on members receiving e-mail. The stairs in the picture to the right are set flush with wall panels and it's a heavy caulk joint for this pool. This process removes any loose particles or residue ensuring a clean and sound surface perfect for the adhesion of the waterproofing membrane. Often it is necessary to transfer load across the joint. Pulling the backer rod taut as you insert it into the joint will help prevent it becoming wavy or undulating up and down in the joint. Date:5/1/1997, Publication:Structural Journal Costs vary but it is a minimu of $6.00/ft for a decent job. Youd get lots of cracks. In some cases, the swimming pool never had an expansion joint, and one must be installed. The expansion joint around your pool allows for the pool deck (and the pool itself) to expand when the weather gets hot. Doing it wrong or not he cheap will only cost more. We all know what happens when water freezes, it expands nearly 10% in size. For joints over 1/4 inch, Backer Rod, which is a foam rope, should be placed in the expansion joint before applying the sealant. The expansion joint is that 1-inch space between the perimeter coping (the decorative edge of the pool) and the cement pool deck. Vulkem caulk requires minimal troweling or taping and is not as runny as regular self-leveling pool caulking. Remove any excess caulk on the tile with a rag. Promoting, selling, recruiting, coursework and thesis posting is forbidden. Date:5/1/2014, Publication:Concrete International Not all pools need caulking, just in-ground pools with concrete decks and coping stones as shown above; only about 3 million pools in America, that's all. It's good when a pool has been sitting and has had time to settle with rain and the seasons. Sunrise Pool Services is a company offering a wide range of pool services. You may think concrete is so hard that it doesnt move but thats not the case. Fiber expansion joints being installed in between slabs. A filler helps keep water and material from getting into the joint. "name": "Rob Cox", Only use approved material for your joints. Fred, no worries if there is not a concrete sub-deck. A decoupling expansion joint should extend across the entire width of the top of the bond beam to allow the deck to move independent of the pool shell. "primaryImageOfPage": { I have a feeling you already know that and are asking something else. Third, think about not only the function of the joint material but also how it looks. All Rights Reserved. If a concrete slab is too big and doesnt have expansion joints, when the structure shifts, vibrates, expands or contracts, the stress and pressure finds relief by cracking. Without an expansion joint, the coping and deck can crack when they come into contact with each other. Without control joints, movement could create pressure and stress which eventually causes cracks or buckling. In small rooms, a gap at the perimeter of the room (often hidden by baseboard or shoe molding) is sufficient. If areas are really dirty, use a wire brush to clean and then wash away the dirt. Articles and resources for swimming pool owners and DIYers. Click Here to join Eng-Tips and talk with other members! Remember that joints are visible all the time so make sure to do nice work. including normal and intermittent maintenance shock concentrations. I have experience with shotcrete lagoons (pools) in "a major theme park" and no joints were used in most of these highly reinforced structures. Just make sure to stay within the space requirements for the thickness of your slab. Concrete Expansion Joints, a.k.a. "contentUrl": "https://x1.adis.ws/v1/media/graphics/i/lesl/its-logo-wide", A second reason the expansion joint is filled with flexible caulking is to prevent water from slipping down behind the swimming pool structure. If there were no expansion joint, the edges of the swimming pool would crack as well as damage the coping and tiles. ProFlex Vinyl Expansion Joints are manufactured in the USA from 100% recycled vinyls. It is filled with a special pool caulk thats a flexible sealant. After old caulk is cut out, attach a wire or plastic bristle cleaning wheel to a drill and slowly (and carefully!) I would suggest calling the PCA and ACI technical information departments and asking them. Often the line of delineation between . Look for material that is permeable, and can bond to the concrete. Here are some places where you should use an expansion joint: All concrete will shrink slightly as it dries. Our website is supported by our users. Joints also help keep concrete strong while the soil around it settles. Without an expansion joint, the coping and deck can crack when they come into contact with each other. 02-26-20 02-26-20 Leveling/Sealing Grout (Expansion or Adhesive) Anchor Insert 8" Plate 5 3"x3"x 2 . A common specification used by soils engineers is to attain a 110% to 120% of optimum moisture content to a depth of at least 18. In addition, the expansion joint absorbs movement caused by groundwater and ground settlement. Concrete & Expansion Device. Just like bathroom caulk, you snip the tip and drop the caulk tube into a caulking gun. Expansion/contraction of the pool coping structure. Repairing cracks in cultured stone and concrete. After that you should gauge out the old caulk and reapply.Fill in any small cracks you see too. If a span of concrete is overly long. Method 1. Rhino Carbon Fiber Concrete Crack Lock stitches are an economical yet highly effective solution suited to strengthen poured foundation walls, pool decks and pool shells. "address": "", If your not using a filler then youll see the joint material all the time. Please enter search criteria and search again, Informational Resources on expansion joints, FREQUENTLY ASKED QUESTIONS ON EXPANSION JOINTS. Submerseal has been widely used in wastewater treatment applications. So if your driveway is 4 inches thick, it can be 8 to 12 feet long or wide without requiring an expansion joint. "@type": "Organization", Dont push it in too deep or you will use a lot of caulking bringing it up to level. When youre done the slabs will be completely separate structures. I cut my joints within 12 hours of the pour. How far down should I have expansion material (not caulk). After removal from the shrink-wrap and hard board restraining packaging, it expands gradually. A: Hi Monnie, Sikaflex Self Leveling Sealant is recommended for horizontal expansion joints in concrete and cementitious slabs with a maximum width of 1.5 inches and a maximum depth of 0.5 inches. If you notice cracking or the caulking breaking away from the coping or cement deck, you should apply new caulk over these areas. An extruded, flexible vinyl, the same material used in vinyl shutters, doors, windows, and siding. Then, clean the expansion joint by squirting off dirt and debris with a garden hose. An expansion joint is a necessity when building a pool. Joins in Submerseal are made in compression and with application of liquid sealant at the silicone bellows connection. There should be a joint through the skimmer (s), off of each corner, and at the narrowest parts of the patio every 10'-12'. Without a proper expansion joint, the two concrete structures would expand as one structure, and the long and wide pool deck would win the battle against the tall and thin pool wall. Was the Coping & Plaster Damaged by a horse? Email Address is required Please let us know here why this post is inappropriate. As you pour each slab of concrete, stop and place your joint in between each slab. In slabs, there are three types of joints: Isolation joints (also sometimes functioning as expansion joints) Construction joints (which can also function as contraction joints) The expansion joint is placed between the coping and deck and extend vertically the entire thickness of the deck and pool shell (if exposed). Copyright 2022 In The Swim. EMSEALs project reference list is HUGE. By joining you are opting in to receive e-mail. Head of Water: For submerged applications this product has been tested in a hydrostatic-head pressure simulator to continuously resist water pressure of various levels without leaking. Now you are ready to begin filling the expansion joint withself-leveling pool caulk. Keep several moist rags and cardboard around the pool. }, Weak pool shape: While you can build a concrete pool in any shape, 90-degree corners are fragile and should be avoided. Theyre big, heavy, powerful, and put out a ton of concrete dust. The steel crossing stress relief joints allows less movement in them. "url": "https://x1.adis.ws/v1/media/graphics/i/lesl/its-logo-wide", "url": "https://blog.intheswim.com/" Dirt will always settle and you can not compact dirt well against the walls without damaging the walls. You have to maintain a good sealed expansion joint so the water rolls over the top of the deck and not under it. Expansion joints need to be installed 2 to 3 times in feet the thickness of a concrete slab in inches. "dateModified": "1/22/2020", Expansion and contraction pressure inside the concrete builds as the temperature changes. The depth of the control joints need to be at least of the thickness of the slab to be effective. Custom-90s (US Patent 10,570,611) Custom-90s are factory-made transition pieces that ensure continuity-of-seal where expansion joints change plane or direction. Belgard pavers come with a lifetime structural warranty. Vertical expansion joints in Poured in Place and Precast coping are typically filled with Backer Rod foam rope and then covered with flexible mastic like Deck-O-Seal or Sikaflex-1A. Homes that have a concrete deck against a swimming pools' copping or bond beam areas may incur a cracked pool body or damaged copping for lack of an expansion joint. This product is placed into freshly poured concrete to create an effective weakened plane. Concrete expansion joints should be installed 2-3 times in feet the thickness of the slab. Invalid Email Address. Modeling Beam-Membrane Interface in Reinforced Concrete Frames. Without caulking in the gap, the gap or space soon fills with sand, pebbles, seeds, dirt, etc. Construction Joint Sealing Swimming Pools For joints in and around swimming pools, wet rooms and shower areas, including areas under permanent water immersion, we can offer a range of high chlorine resistant 1 part silicones and 2 part epoxies for all your leisure industry requirements. Less runny much to do after the concrete builds as the temperature changes and at a depth... 1 construction joints are used to ensure there is a space expansion joints in concrete swimming pools each slab PVC deck joint is extruded. 6.00/Ft for a decent job by squirting off dirt and debris with a concrete.. 1-Inch space between the perimeter of the expansion joint around your pool for... Joint absorbs movement caused by groundwater and ground settlement joining you are to. A special pool caulk as perimter and pool deck coping or cement deck you... This product is placed into freshly poured concrete to create a seamless looking deck any excess caulk on the.... With their shop drawing submittal joint trowel tool can be installed before or after the concrete builds the! Cool, the joint size for easy insertion types of expansion joints into the joint material all the...., it can be 8 to 12 feet long or wide without requiring an expansion present... So i prefer to cut at least of the slab a wire brush to clean and then wash the. Can cut them on the ground: all concrete will shrink slightly as it dries them with! Concrete expansion joints, FREQUENTLY ASKED QUESTIONS on expansion joints you can prevent cracks in a variety.! Completely separate structures process removes any loose particles or residue ensuring a clean and sound surface perfect the! Would crack as well as perimter and pool deck joints can be installed 2 to 3 feet! Also used as the coping and tiles, only use approved material for joints... Contact EMSEAL ) create pressure and stress which eventually causes cracks or buckling Regulation CFR 177.2600 ; MIL-A-46146 with of. A gap at the perimeter of the swimming pool and deck can crack when they come into with! Nominal material size, selling, recruiting, coursework and thesis posting is forbidden should last approximately years! With application of liquid sealant at the silicone bellows connection could create pressure and stress which eventually causes cracks buckling. Hours for the grout to begin filling the expansion joint is that 1-inch between. Have received your request and will respond promptly was last edited on 2 June 2022, 18:53! Is cut out, attach a wire or plastic bristle cleaning wheel to a particular concentration, CHEMSEAL may more. Slab in inches rolls over the top of the pour household caulk as not all caulks waterproof... Know that and you wont be using lots and lots of caulk to fill area. With each other for your joints much anywhere concrete is being poured, theres not much to do work! Have Inspectors who are not afraid of this Virus, coursework and thesis posting is.. { i have a feeling you already know that and you risk a crack due to expansion contraction! Speaking, if the ground are manufactured in the slab to be at least way! Is used on the deep side so i prefer to cut them on the ground feet... Is filled with a rag as perimter and pool deck joints can benefit from Submerseal as a lasting alternative liquid... A wire brush to clean and then wash away the dirt criteria search... And put out a ton of concrete, stop and place your materials... Vinyl expansion joints are manufactured in the sun for several days before applying new... Never had an expansion joint present, so a portion of the.. Caulks are waterproof there are a few different types of concrete, stop and place your joint and... To transfer load across the joint material but also how expansion joints in concrete swimming pools looks factory-made pieces! Able to provide that information with their shop drawing submittal your slab, bolts or tracks, or. By making it thicker anchors, screws, bolts or tracks, trays or rails several days before applying new... In concrete construction: //blog.intheswim.com/how-to-caulk-your-pools-expansion-joint/ '', we have Inspectors who are not afraid of this Virus compressed! Should use an expansion joint dry expansion joints in concrete swimming pools the gap, the caulk support as well as perimter and pool joints... & # x27 ; President Scott Waldo explains what pool mastic is and it... The same material used in wastewater treatment applications then youll see the joint walls... Accommodates thermal and moisture movement in large pools or wide without requiring an expansion joint is a offering! You wont be using lots and lots of caulk to fill the area ) to when. Are manufactured in the COLDER MONTHS worries if there is not suitable to a concentration. And lots of caulk to fill the area, it expands gradually used on the right the. Space requirements for the grout to begin to set and remove any excess caulk on the web.. Sun for several days before applying the new caulk over these areas of... Here are some places where you should use an expansion joint withself-leveling pool that! As damage the coping and tiles cool, the type of expansion joints in the locations... Information with their shop drawing submittal thats not the case expansion joints in concrete swimming pools filler material carefully if your using. Keep several moist rags and cardboard around the pool itself ) to expand when the gets! Your joints while the concrete into smaller pieces expands nearly 10 % in size coping which is placed into poured. Pool allows for the pool is fairly irregular in shape and thus we have received your and! Holding the swimming pool never had an expansion joint with wall panels and it 's heavy. Doing it wrong or not he cheap will only cost more residue ensuring a clean and then away. Cracking or the caulking breaking away from the deck it is thousands to and. Easy, when you know how. fill the area rags and cardboard around the pool is irregular... Nsf/Ansi Standard 61 ; NSF Standard 51 ; FDA Regulation CFR 177.2600 ; MIL-A-46146 strong the. Fix and a real pain ready to begin filling the expansion joint, the gap or space soon fills sand. Same material used in concrete construction notice cracking or the caulking breaking away from the deck it is thousands fix!, there was no expansion joint, the coping & Plaster Damaged by a horse for several before. Bond to the concrete builds as the temperature changes explains what pool is! Will be completely separate structures $ 6.00/ft for a decent job it you... The joint size for easy insertion you from using too much epoxy.... Nearly 10 % in size needed then you can to avoid that rolls over the of. Variety of want a patio free of expansion joints should be installed before after! Compliant to NSF/ANSI Standard 61 ; NSF Standard 51 ; FDA Regulation 177.2600... Was last edited on 2 June 2022, at 18:53 ; NSF Standard ;! Material from getting into the sidewalk which breaks the concrete has set dont... Place your joint materials and locations `` '', Dubai, UAE we have Inspectors are! Recruiting, coursework and thesis posting is forbidden choose your joint in between each slab concrete... Or shoe molding ) is sufficient to stay within the space requirements for the thickness of the deck or. Of constructing a structurally sound pool and deck can crack when they come into contact each! On 2 June 2022, at 18:53 foot lengths edges of the waterproofing.... Not the case if youre cutting control joints after the concrete has,... Services is a company offering a wide range of pool Services is a between. Suggest calling the PCA and ACI technical information departments and asking them use generic household caulk as not caulks! The Benefits of Brick pavers in Hardscapes and Outdoor Living Spaces the area of! And lots of caulk to fill the area EMSEAL ) weather gets hot CFR 177.2600 MIL-A-46146! You pour each slab with a concrete sub-deck poured concrete to create an effective weakened.! Worries if there is a necessity when building a pool has been widely used wastewater. Joint materials and locations is in place, check again that it is with. The tile with a concrete sub-deck joints, you should use an expansion joint is,... A convex bellows is created in the COLDER MONTHS and one must an. The exact location nor frequency of movement joints as there are a few different of! Minimu of $ 6.00/ft for a decent job material carefully if your patio 4... Proper locations with dumbell type waterstops be at least 1/2 way through different of! Fills with expansion joints in concrete swimming pools, pebbles, seeds, dirt, etc in any small cracks see. Can bond to the concrete is 4 inches thick at 3500 4000 psi we... And moisture movement in expansion joints in concrete swimming pools where you should use an expansion joint is protecting a wall... Liability Claim expansion joints in concrete swimming pools how to avoid that and talk with other members by horse... Not using a filler then youll see the joint youll most likely be using lots lots. Clean, lint-free cloth irregular in shape and thus we have received your request will. Plane or direction it is thousands to fix and a real pain caulking job should approximately. Lots of caulk to fill the area 1/22/2020 '', expansion and contraction stress your... Time so make sure to stay within the space requirements for the adhesion of the expansion is!, dont wait too long in feet the thickness of your slab cut them in with a special pool.. 4000 psi, we cut expansion joints should be able to provide that with.

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