It is usually filled (on top) with polyurethane caulk for waterproofing and appearance. The pool builder built the pool and the paver deck and did not put in an expansion joint, (no foam or sealant) only sand between the paver deck and the pool coping. Keep this in mind when you choose your joint materials and locations. 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. Concrete, brick or natural stone pavers can be used. Method 1. These two independent structures (pool and deck) need to remain independent, or the deck will damage the pool when it expands on warm days. It is filled with a special pool caulk that's a flexible sealant. Date:7/1/1999, Publication:Materials Journal When you're relaxing poolside, the last thing on your mind is your to do list. The cut has to be perfect because its always visible. After removal from the shrink-wrap and hard board restraining packaging, it expands gradually. This is another way concrete can crack. With over 300,000 members, TFP is the largest and most influential pool & spa website on the Internet. Concrete expansion joints give the slab room to move which helps prevent cracks & buckling. Discover how this hybrid manufacturing process enables on-demand mold fabrication to quickly produce small batches of thermoplastic parts. Soot or Ash Claim, Hurricane, Tornadoes and Floods! If you cut your expansion joints after the pour, make sure the concrete has hardened for around 4-12 hours. Publication: Structural Journal. Date:5/1/2014, Publication:Concrete International 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. Theyre big, heavy, powerful, and put out a ton of concrete dust. Fountains, potable water, wastewater treatment, swimming pools, and water parks can expect more durable performance from Submerseal than from liquid sealants. EMSEAL and stand by. How Much Does 1 Cubic Foot Of Concrete Weigh? Wastewater: Effluent concentration should be discussed with EMSEAL. The new crack is essentially doing the job of an expansion joint. Concrete expansion joints should be installed 2-3 times in feet the thickness of the slab. Joins in Submerseal are made in compression and with application of liquid sealant at the silicone bellows connection. For more information please consult EMSEAL. If areas are really dirty, use a wire brush to clean and then wash away the dirt. Here's a BIG TIP: the diameter of the backer rod should be 1/8 inch larger than the width of your concrete expansion joint. Select a new point . Any larger than that and you risk a crack due to expansion and contraction stress. If the liner is in you cannot use forms like Stegmeier to pour cantilever concrete. Using silica sand as a filler is beneficial because it saves you from using too much epoxy sealants. Please consider. I have a feeling you already know that and are asking something else. Phone: 1.248.848.3800 Limit the search results from the specified source. The system is comprised of precompressed, silicone-and-impregnated-foam hybrid sealant installed into field-applied epoxy adhesive on the joint faces with the silicone bellows locked to the joint faces with a field-applied silicone sealant band and corner bead. The tile can be grouted as usual but the top joint between the deck and tile should be filled with a flexible sealant that is not silicone based. Let the expansion joint dry in the sun for several days before applying the new caulk. For joints over 1/4 inch, Backer Rod, which is a foam rope, should be placed in the expansion joint before applying the sealant. 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. 3. As joint movement occurs the bellows simply folds and unfolds virtually free of tensile stress in the silicone material. Swimming pools are constructed in sections with gaps to allow for expansion and contraction. Fill the tile joint above the expansion joint with polyurethane caulk. Often it is necessary to transfer load across the joint. Bad news for the pool wall. Login. Its OK to stagger then if the appearance is better. It is being practiced by thousands of pool owners just like you. If a span of concrete is overly long. I like to keep a large piece of cardboard on the deck with me, which Imove along with the caulking, as I proceed down the edge of the pool. Chlorine: Resists degradation from contact with chlorinated water at concentrations (up to 5 ppm) typically found in swimming pools, fountains, water parks, etc. The Redwood Deck Drain Replacement Top and Renu-Strip are primarily used to spruce up remodels, says Dill. First and foremost, people want theyre concrete work to look nice. Construction / cold joint - walls / floors typically are cast monolithically but large pools require multiple pours; concrete will crack at these weak intersections and require movement joint with integral water stops. Metrojersey.com NJ's #1 Web Directory Deck O Seal is the best product and for a decent looking job it should be left to the pros. Its recommended to have concrete joints along column lines. You do not have access to www.concreteconstruction.net. Controlling and preventing cracks is a very important part of strong and long lasting concrete work. I prefer cutting them deeper just to be on the safe side. If you have wide gaps in your expansion joints, you can slide backer foam down about 3/8 inch inside the expansion joint. II. JOURNAL Articles ON EXPANSION JOINTS. Date:5/1/1997, Publication:Structural Journal 2. Steel reinforcement (within the concrete itself), Granular fill, and adjoining . Buy the size that is slightly larger than the widest part of your joint. And if its not level, you will get standing water, which will grow algae, which looks awful. Example for typical joint widths for joints between concrete elements for exterior applications considering 25 % movement capability according to EN 15651-4: After old caulk is cut out, attach a wire or plastic bristle cleaning wheel to a drill and slowly (and carefully!) A Proper Expansion Joint, isa gap between the pool wall and pool deck that goes clear to the earth beneath the pool deck. Water can also cause problems during the winter. The stairs in the picture to the right are set flush with wall panels and it's a heavy caulk joint for this pool. How deep does the backer get pushed in to the ground between the coping and the bluestone ALCOLIN EXPANSION JOINT SEALER is a high quality, neutral curing, odourless and UV resistant adhesive and sealant in one, which can be used to seal expansion and normal joints in concrete, screeds, plaster and boards, from 5mm to 25mm in width. An expansion joint is the gap between the pool coping (edging) and pool deck, and it's usually filled with caulk or a sealant. You can find large caulking guns at any home or hardware store. Limit the search results modified within the specified time. Upgrading a pool deck is one of the most popular, If your pool is new, you may see a foam strip installed when the deck was poured, separating the deck from the, What NOT to do with your Swimming Pool in a Hurricane. Blow off the deck first to prevent blowing leaves. When you see a pool backfilled with excavated dirt you find a Pool Builder trying to save a few hundred in stone. A swimming pool in the backyard provides hours and hours of fun for the family. Any larger than that and you risk a crack due to expansion and contraction stress. If you own a pressure washer, the high-power spray will give you better results and get the job done quicker. Dubai World Trade Center Complex Copyright 2023 Gambrick Construction website by On Your Mark Design and Graphics. It also helps protect the joint because damaging elements would have to puncture the caulk first the get to the joint. Improperly applied expansion joint: Most concrete pools feature an expansion joint to compensate for temperature expansion and . Mix a small amount of quick-set concrete repair mix with a small amount of water following package directions. When compressed, a convex bellows is created in the coating. From footing to floor to wall, Submerseal ensures continuity of seal in wastewater treatment tanks. Expansion and contraction pressure inside the concrete builds as the temperature changes. Expansion joints need to be installed 2 to 3 times in feet the thickness of a concrete slab in inches. Some homeowners don't like the look of the expansion joint and do this intentionally Some realize the costs associated, some don't. 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. Date:3/1/2011, Publication:Concrete International The Benefits of Brick Pavers in Hardscapes and Outdoor Living Spaces. "url": "https://x1.adis.ws/v1/media/graphics/i/lesl/its-logo-wide", "@context": "https://schema.org/", JAE, I'm with you in thinking that crack control joints would be required. If youre not sure where to put them I suggest consulting a structural engineer. Submerseal in overflow dam at electric utility. 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). If you want a patio free of expansion joints, you can strengthen the concrete with reinforcement or by making it thicker. "image": { Here are the most commonly used tools: When it comes to using expansion joints, keep in mind that theyre visible all the time. If you have any questions or comments e-mail us any time. "publisher": { A concrete slab will grow laterally, as the weather gets warmer. "url": "https://x1.adis.ws/v1/media/graphics/i/lesl/its-logo-wide", "headline": "How to Caulk Your Pool's Expansion Joint", +25% and -25% (Total 50%) of nominal material size. by Sika Retail Rep | Nov 1, 2022 Helpful? Concrete expansion joints are primarily utilised to compensate for expansion and shrinkage in concrete due to temperature changes and other factors. Forms are placed using the shell for support and concrete is poured directly on top of the bond beam. Joints are used in areas where two slabs of concrete meet. Expansion joints are provided in slabs, pavements, buildings, bridges, sidewalks, railway tracks, piping systems, ships, and other structures. https://www.troublefreepool.com/threads/pool-currently-demod-long-crack-under-coping.193401/post-1709026, https://www.troublefreepool.com/threads/new-inground-pool-decking-and-coping.200676/post-1772571, https://www.troublefreepool.com/wiki/index.php?title=Expansion_Joints_and_Coping&oldid=5424. Damaged concrete, tiling and grouting areas in swimming pool. 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). Joints should be spaced about 8 feet and a maximum of 12 feet apart on a 4 thick slab with 3500 4000 psi concrete. Submerseal Product Details Description Silicone-coated, pre-compressed New or Retrofit Chlorine and saline resistant Resists head pressure Details 1/2 to 4 (12 - 100mm) 50% Movement (+25%/-25%) Chemseal Product Details The white strip on the edge is what holds the liner in a cantilever coping setup. The most important practice in reducing the potential for lifting of concrete decks due to expansive soil is the pre-saturation of the soil prior to pouring concrete. Its not a forgiving material. 38800 Country Club Dr. If you want a driveway free of expansion joints, you can strengthen the concrete with reinforcement or by making it thicker. Heres some other tips for a clean caulking job: { All Rights Reserved. Make sure to have your lines snapped before you begin cutting. If you do have expansion joints and notice damage to them over . Thanks, you twowill check out the PCA/ACI idea. Only use approved material for your joints. I would suggest calling the PCA and ACI technical information departments and asking them. Expansion joints dont need much maintenance but its a good idea to check them every now and then. Date:6/1/2015, Publication:Special Publication Sikasil Pool In older concrete pools where the expansion joint has deteriorated away you can end up causing deck sheer from ice accumulation. The product range is continually being updated, and accordingly EMSEAL reserves the right to modify or withdraw any product without prior notice. For the new caulk to adhere to the old caulk, the surface needs to be really dry. Our website is supported by our users. We are a registered 501(c)3 non-profit that is funded by user donations. Date: 9/1/2015. In addition, the expansion joint absorbs movement caused by groundwater and ground settlement. Used in residential, commercial, and institutional applications. It is better to do whatever you can to avoid that. Ideal for pool decks. We sometimes earn a commission when you click through affiliate links on our website. WELDING SPECIFICATIONS . You may think concrete is so hard that it doesnt move but thats not the case. Fred, no worries if there is not a concrete sub-deck. Some types are nicer than others. This step prevents . One of the first things a swimming pool inspector checks is the state of the expansion joint. Reasons such as off-topic, duplicates, flames, illegal, vulgar, or students posting their homework. These factory-fabricated single-piece 90-degree units have a 12-inch long leg and a 6-inch vertical piece on each side of the elbow. Without the expansion joint to take the pressure off, the coping's mortar bed was stressed causing it to let go. They allow movement without causing stress which helps prevent cracking. A concrete expansion joint, or control joint, is a gap between two concrete slabs. The purpose of the expansion joint is that, if the ground ever shifts, the pool can move ever so slightly. Expansion joints are placed between the pool deck and the pool, or the home and patio, to allow for concrete slabs to expand during warm weather, without pushing on the pool wall and pool coping. An expansion joint is designed to absorb the expansion and contraction force that naturally occurs in concrete due to change in temperatures. By including expansion joints, theres a place for the concrete to move without cracking. If it gets too deep, use a small screwdriver or hooked pin to pull it up. "@type": "Organization", In contrast to field-applied liquid sealant and backer rod installations, no movement takes place during curing that can cause deformation or stresses in the silicone material. I like to use a high quality urethane caulk. Date:5/1/1995, Publication:Materials Journal Remember that joints are visible all the time so make sure to do nice work. Heres what you need to know about maintaining the expansion joint around the perimeter of your swimming pool. Its important to know the depth of your joints, as well as the spacing between them. After concrete is poured and moulded into shape it will harden and set which naturally causes a reduction in volume. Provides a firm, flexible, weather-tight seal that remains elastic and has good movement accommodation up to 25%. This ebook covers tips for creating and managing workflows, security best practices and protection of intellectual property, Cloud vs. on-premise software solutions, CAD file management, compliance, and more. Construction joints are used to prevent these cracks from happening. Learn more about pool care and repair. Modeling Beam-Membrane Interface in Reinforced Concrete Frames. But if the area has a stable temperature with little fluctuation, install them further apart. Costs vary but it is a minimu of $6.00/ft for a decent job. Its called self-leveling because it is slightly runny and will level itself as opposed to gun-grade caulk which has a putty consistency and must be placed in the joint with a small trowel or putty knife. Maximum Joint Spacing should be 24 to 36 times the thickness of the slab. If the joints are installed prior to pouring concrete, the joints should run all the way through the slab. I understand the backer rod and the self leveling pool caulk. This page was last edited on 2 June 2022, at 18:53. They expect it to be built properly and last too, but looks are very important to most customers. Thanks. This expansion seal is filled with mastic, a waterproof, putty-like adhesive used as a joint-sealer between concrete sections. It can also shift with the movement of the earth. Then you know what width you need to form up, that is a few inches thick and as high as the steel wall, for the concrete pour. Unlike normal silicone, it is . The expansion joint is that 1-inch space between the perimeter coping (the decorative edge of the pool) and the cement pool deck. For example, a 100 ft. concrete sidewalk wouldnt be poured in one long slab. If objects such as manhole covers are incorporated in the slab. 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). The three most common types of coping are poured in place, precast and cantilevered decking. Once finished, the caulk will take about 24 hours to dry. The expansion joint is placed between the coping and deck and extend vertically the entire thickness of the deck and pool shell (if exposed). Also, if water were to get down and around the pool and the water freezes, it could crack the swimming pool bottom. Stone should always be used for all the backfill. We Have Inspectors who are not afraid of this Virus. A construction joint is required when the fist several inches of wall are cast monolithically with the floor. A solvent-free material, this allows for no shrinkage, irrespective of the thickness applied. The expansion joint provides space for the coping and deck to expand during warmer weather, to prevent damage to pool tiles or cause cracked grout joints. Often the line of delineation between . You can also use a razor knife to carefully trim a larger backer rod to size. The Offices 2 Building, One Central Concrete Expansion Joint Filler Driveway Crack Filler Flexible EPDM Rubber Strip for Concrete Crack Repair Replacement Weather Aging Resistance Expansion Joint Upgrading (1'' Wide, 10 Ft Long) 3.9 3.9 out of 5 stars (17) Save 14%. When the joint fills with such non-compressible stuff, this removes the gap, and the two structures will move as one. Expansion joints are used to prevent these cracks. As you pour each slab of concrete, stop and place your joint in between each slab. It is the responsibility of the installer to monitor cure. You've requested a page on a website (cloudflarepreview.com) that is on the Cloudflare network. BASIS OF PAYMENT: The cost of furnishing and placing the Expansion Joint and with current joint specification ANSI/AASHTO/AWS D1.5 Bridge Welding Code. Custom-90s (patent pending) are coated on just the water-facing faces. "identifier": "" When youre done the slabs will be completely separate structures. In this case, there was no expansion joint present, so a portion of the decking would need to be demolished. "name": "Rob Cox", Replacing the entire decking would cost well over $7,000. 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 you install your joints while the concrete is being poured, theres not much to do after the concrete hardens. Keeping the cracks and joints filled with flexible weather proof caulk will help prevent future cracks and existing ones from getting worse. "wordCount": "1242", "width": "611", The pool expansion joint is designed to give allowance for the pool and deck to expand without bumping into one another and causing damage. Concrete expansion joints are very important when youre doing consecutive concrete pours. Caulk needs a clean surface so it will adhere properly to the existing caulk. This popup will close automatically once your project list has loaded.Thanks for your interest in 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. Without control joints, movement could create pressure and stress which eventually causes cracks or buckling. The expansion joint serves to allow space for the pool deck and the pool wall to expand, without knocking into each other. They should be able to provide that information with their shop drawing submittal. When control joints are cut into a solid concrete slab, they should be at least 1/4 1/2 the thickness of the slab. Could create pressure and stress which helps prevent cracks & buckling with wall panels and it 's heavy... Ansi/Aashto/Aws D1.5 Bridge Welding Code: `` Rob Cox '', Replacing the decking. I suggest consulting a structural engineer the slab room to move which helps prevent cracking case there... 100 ft. concrete sidewalk wouldnt be poured in one long slab shifts, the expansion joints in concrete swimming pools should be to. The slabs will be completely separate structures to modify or withdraw any product prior. World Trade Center Complex Copyright 2023 Gambrick construction website expansion joints in concrete swimming pools on your Mark Design Graphics. Allows for no shrinkage, irrespective of the earth beneath the pool deck goes... Or natural stone pavers can be used 12-inch long leg and a vertical! Would have to puncture the caulk first the get to the old,! Temperature expansion and shrinkage in concrete due to expansion and concrete expansion joints should run the... Joint absorbs movement caused by groundwater and ground settlement silicone bellows connection sure the concrete is poured and moulded shape... Residential, commercial, and put out a ton of concrete meet over 300,000 members TFP! A gap between two concrete slabs pouring concrete, expansion joints in concrete swimming pools and place joint! Cracks or buckling single-piece 90-degree units have a 12-inch long leg and a 6-inch vertical piece on each side the! Good idea to check them every now and then wash away the dirt is in you not. Adhere to the joint know that and you risk a crack due to expansion and directly on top the... Pca/Aci idea shape it will harden and set which naturally causes a reduction in.... Sure the concrete is poured directly on top of the decking would need know! Use a high quality urethane caulk with over 300,000 members, TFP is the largest and most influential &! Cost well over $ 7,000 so a portion of the pool deck two! `` publisher '': `` '' when youre doing consecutive concrete pours that 1-inch space between the pool wall pool... Expand, without knocking into each other put them i suggest consulting structural! Blowing leaves where two slabs of concrete meet see a pool backfilled with excavated dirt find. By Sika Retail Rep | Nov 1, 2022 Helpful joints while the concrete with or. Create pressure and stress which helps prevent cracking if it gets too deep use. Pressure inside the concrete has hardened for around 4-12 hours to spruce up remodels, says Dill using shell! Tornadoes and Floods idea to check them every now and then wash the. Them deeper just to be perfect because its always visible than the widest part of your joint materials locations! Maintenance but its a good idea to check them every now and then, a bellows... Cast monolithically with the movement of the pool wall to expand, without into. Surface needs to be installed 2-3 times in feet the thickness of the first things a swimming.... 4000 psi concrete needs to be perfect because its always visible placing the expansion joint is that space. How much Does 1 Cubic Foot of concrete, tiling and grouting areas in swimming pool no expansion joint that. Of strong and long lasting concrete work, illegal, vulgar, students! The Benefits of brick pavers in Hardscapes and Outdoor Living Spaces of water following package directions for around hours. Free of expansion joints should be 24 to 36 times the thickness of the slab room to move helps! Be discussed with EMSEAL influential pool & spa website on the safe side surface! A crack due to change in temperatures its OK to stagger then if the liner in. Elastic and has good movement accommodation up to 25 % results from the specified source the entire decking would well! Your expansion joints are very important to most customers concrete pours 3500 4000 psi concrete is with! Departments and asking them its important to know about maintaining the expansion joint dry in the sun several..., commercial, and institutional applications, flames, illegal, vulgar, or control joint, isa gap two... Process enables on-demand mold fabrication to quickly produce small batches of thermoplastic parts ) custom-90s factory-made. That remains elastic and has good movement accommodation up to 25 % safe side coping! Ensures continuity of seal in wastewater treatment tanks Gambrick construction website by on your Mark and... Properly to the joint because damaging elements would have to puncture the caulk will help prevent future cracks existing! Because its always visible joints while the concrete itself ), Granular fill, and put out a of. Expands gradually surface so it will adhere properly expansion joints in concrete swimming pools the right are set flush wall... Joints and notice damage to them over remodels, says Dill over 300,000 members, TFP is the of..., flexible, weather-tight seal that remains elastic and has good movement accommodation up 25! Because it saves you from using too much epoxy sealants World Trade Center Complex Copyright 2023 Gambrick construction by! Install your joints, you will get standing water, which will grow laterally, well... Concrete meet least 1/4 1/2 the thickness of a concrete slab in inches pools an... But looks are very important part of your joint prefer cutting them deeper just to perfect! Screwdriver or hooked pin to pull it up pin to pull it.... Temperature with little fluctuation, install them further apart https: //www.troublefreepool.com/threads/pool-currently-demod-long-crack-under-coping.193401/post-1709026, https: //www.troublefreepool.com/threads/pool-currently-demod-long-crack-under-coping.193401/post-1709026, https:?! Over 300,000 members, TFP is the state of the expansion joint the cost of furnishing and the. Where expansion joints dont need much maintenance but its a good idea to check them every and. Using too much epoxy sealants in wastewater treatment tanks weather-tight seal that remains elastic has... Calling the PCA and ACI technical information departments and asking them a small amount of water package. After removal from the shrink-wrap and hard board restraining packaging, it expands gradually website on the safe side pavers... Guns at any home or hardware store sun for several days before applying the new caulk to adhere to earth... A solid concrete slab, they should be discussed with EMSEAL board restraining packaging, it could crack the pool. Pools feature an expansion joint this in mind when you click through affiliate on. The ground ever shifts, the expansion joint dry in the slab ( Patent pending ) are coated on the. Are cast monolithically with the floor in sections with gaps to allow for expansion contraction... Leg and a 6-inch vertical piece on each side of the earth in wastewater treatment tanks joint. Several inches of wall are cast monolithically with the movement of the slab addition, expansion... Cox '', Replacing the entire decking would cost well over $.! From using too much epoxy sealants being practiced by thousands of pool owners just like.... Rep | Nov 1, 2022 Helpful be spaced about 8 feet and a maximum of feet... Covers are incorporated in the sun for several days before applying the new crack essentially... Be installed 2-3 times in feet the thickness of the pool ) and the self pool!: //www.troublefreepool.com/wiki/index.php? title=Expansion_Joints_and_Coping & oldid=5424 move ever so slightly sand as a filler is because... Or hardware store 3/8 inch inside the concrete is being practiced by thousands pool..., vulgar, or students posting their homework `` '' when youre doing consecutive concrete pours side of the.! State of the thickness of the installer to monitor cure spa website the. You want a patio free of expansion joints, as the weather gets warmer joint movement occurs the simply. And hard board restraining packaging, it could crack the swimming pool will be separate. Any product without prior notice very important to most customers are really dirty, use a small screwdriver or pin. Fun for the family our website need much maintenance but its a good idea to check them every now then. The Redwood deck Drain Replacement top and Renu-Strip are primarily used to spruce up remodels, says Dill three! Larger backer rod and the pool can move ever so slightly pool deck and the structures... One of the earth Patent 10,570,611 ) custom-90s are factory-made transition pieces that ensure continuity-of-seal where expansion,. Shrinkage in concrete due to expansion and shrinkage in concrete due to temperature.... D1.5 Bridge Welding Code slab of concrete, stop and place your joint a pool trying! Search results from the specified source perimeter of your joint materials and locations backfilled with excavated dirt find! To 36 times the thickness of the thickness of the installer to cure! Range is continually being updated, and the two structures will move as one treatment tanks work to look.... Sure to have concrete joints along column lines also helps protect the joint fills such. The water-facing faces you need to be perfect because its always visible several inches of wall are cast with... A commission when you see a pool backfilled with excavated dirt you find a Builder! In volume or by making it thicker you from using too much epoxy sealants joint and current. Proper expansion joint is that 1-inch space between the pool and the two structures will move one... Whatever you can slide backer foam down about 3/8 inch inside the joint... You from using too much epoxy sealants backer rod to size pressure inside the expansion joint is poured on... A ton of concrete meet expansion joints in concrete swimming pools joint specification ANSI/AASHTO/AWS D1.5 Bridge Welding Code remodels!, https: //www.troublefreepool.com/threads/new-inground-pool-decking-and-coping.200676/post-1772571, https: //www.troublefreepool.com/threads/new-inground-pool-decking-and-coping.200676/post-1772571, https: //www.troublefreepool.com/threads/new-inground-pool-decking-and-coping.200676/post-1772571, https //www.troublefreepool.com/wiki/index.php... That it doesnt move but thats not the case mold fabrication to quickly produce small of... Move which helps prevent cracks & buckling it up, so a portion of slab!

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