Submerseal is precompressed to less than the joint size for easy insertion. "@type": "Person", We cannot specify the exact location nor frequency of movement joints as there are . }, Date:1/1/2015, Publication:Concrete International The purpose of having expansion joints in a concrete slab is to prevent cracks and buckling. Expansion and contraction pressure inside the concrete builds as the temperature changes. Under extreme cases the bond beam can develop cracks leading to failure of the beam and allow the entry of water and root systems from nearby landscape causing further damage. If you have an inground concrete pool with coping stones, whether they be brick, flagstone or pre-cast stones, you will have an expansion joint behind the coping stones, to allow for expansion of the pool deck when the weather gets hot. Concrete is extremely stiff and doesnt contain any elasticity. When the expansion joint is not proper, but is partially filled with debris, rain and snow melt will stand in the gap, and freeze. Question: Difference between a contraction joint, isolation joint, expansion joint, construction joint, an View all Frequently Asked Questions on expansion joints», American Concrete Institute Announces New Officers For 2013, There are no Committees on expansion joints, There are no Certifications on expansion joints. How far down should I have expansion material (not caulk). "mainEntityOfPage": "https://blog.intheswim.com/how-to-caulk-your-pools-expansion-joint/", Without control joints, movement could create pressure and stress which eventually causes cracks or buckling. Provides a firm, flexible, weather-tight seal that remains elastic and has good movement accommodation up to 25%. You may think concrete is so hard that it doesnt move but thats not the case. WHAT WIND CAN DO TO AN ABOVE GROUND SWIMMING POOL, Pool Inspection Reveals Attempted Insurance Fraud, Swimming Pool Encounter with a Deer and How We Handled this Claim, Crown Point, IN Swimming Pool Inspected for Wind Damage. Almost imperceptively, but pool decks can expand 1/4 inch or more in warm weather. Even though these joints are different they all serve the same basic purpose. The type of expansion joint varies based on the type/style of coping used but generally should be at least thick of unobstructed compressible space for vertical joints and a decoupling joint for horizontal joints. Expansion joints are used to relieve pressure and prevent damage. Expansion joints give the concrete somewhere to go as it moves. Without caulking in the gap, the gap or space soon fills with sand, pebbles, seeds, dirt, etc. Concrete undergoes expansion due to high temperature when in a confined boundary which leads to cracks. In small rooms, a gap at the perimeter of the room (often hidden by baseboard or shoe molding) is sufficient. Wastewater: Effluent concentration should be discussed with EMSEAL. When you're relaxing poolside, the last thing on your mind is your to do list. Home / Lifestyle / Pool Decks / How to Caulk Your Pools Expansion Joint. Belzona application in progress. Pre-molded joint filler should be used to separate slabs from building walls and footings. Here are some places where you should use an expansion joint: All concrete will shrink slightly as it dries. Frontier Deck Joint's design features "T" members that provide a water stop. Although I dont recommend using the maximum spacing unless your a Pro. Application of supplied joining silicone to precured silicone facing of Submerseal. Submerseal ensures watertightness at plane and direction changes. This product is placed into freshly poured concrete to create an effective weakened plane. "@type": "BlogPosting", Dont cover your joints or caulk with epoxy or another coating unless its specially made for use on expansion joints. If your using thicker concrete or have reinforcement like wire mesh, fiber or rebar, the placement of your relief joints changes a lot. 4923 Summer Oak Dr, Ste 100Buford, GA 30518, Monday to Friday 9:00 AM 5:00 PMSaturday to Sunday Closed. 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. The reason is simple: TFPC (Trouble Free Pool Care) is a methodology, not a product that you must purchase. Date:11/1/2010, Publication:Special Publication Joints are used in areas where two slabs of concrete meet. There are many different types of pavers for pool deck use. The next thing you need to know about tiles in a swimming pool relates, again, to expansion joints. Expansion joints need to be installed 2 to 3 times in feet the thickness of a concrete slab in inches. Joints prevent damage to the slab which makes them last longer and look better. The pool is fairly irregular in shape and thus we have inserted expansion joints in the proper locations with dumbell type waterstops. NSF 61 Compliant: Compliant to NSF/ANSI Standard 61 for contact with potable drinking water and with FDA Regulation CFR 177.2600 for indirect contact with food. Some fillers can be painted or come pre-colored which can be a big help. "keywords": "", If youre cutting control joints after the concrete has set, dont wait too long. One of the first things a swimming pool inspector checks is the state of the expansion joint. Date:5/1/1995, Publication:Materials Journal 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. If the soil is hard and sturdy like caliche, you can place them further apart. Expansion/contraction of the pool coping structure. It is usually filled (on top) with polyurethane caulk for waterproofing and appearance. MY questions Without an expansion joint, the coping and deck can crack when they come into contact with each other. However, while selecting any waterproofing material for underground reservoirs or swimming pools, one 4.3.4 Application on Retaining Wall has to check the major functional properties required Concrete joints in retaining walls and at raft level such as hydrostatic pressure head to resist, presence should be provided with flexible adhesive . But when its soft, wet or unstable, place them closer together. Wed love to hear from you. Date:11/1/1981, Search all Articles on expansion joints », Publication:Special Publication 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. Date:6/1/2015, Publication:Special Publication "height": "219", SlabGasket is. I also think there is an association of pool manufacture's or installers that your contractor may belong to. First and foremost, people want theyre concrete work to look nice. For up to 3 inch wide joints use MasterSeal SL2. Fill the tile joint above the expansion joint with polyurethane caulk. They allow movement without causing stress which helps prevent cracking. 2. Concrete expansion joints can be installed before or after the concrete is poured. "name": "In The Swim", The Renu-Strip fits atop all Deck-O-Joint expansion joints, offering an economical way to revitalize an existing pool deck's appearance, while the replacement top provides a way to repair damaged drains and give them a redwood facelift. These tools may vary depending on the size and scope of the project. Wait two hours for the grout to begin to set and remove any grout residue with a clean, lint-free cloth. 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. Investigation of Approaches for Improving Interfacial Transition Zone-Related Freezing-and-Thawing Resistance in Concrete Pavements. It is the responsibility of the installer to monitor cure. Often the line of delineation between . "wordCount": "1242", Sometimes the simplest construction details can be among the most important. Doing it wrong or not he cheap will only cost more. EMSEAL and stand by. Second, consider your filler material carefully if your using one. Expansion joints are used to prevent these cracks. Date: 5/1/2018. 1 is a good width, but save some money on caulk and go 1/2 or 9/16. Or water will seep into areas underthe coping, or behind the tile, freeze and expand, loosening mortar, tile and stone. Heres some other tips for a clean caulking job: { Silica sand matches well with epoxy sealants. Remove any excess caulk on the tile with a rag. That means most pool joint widths fall somewhere between " to 1. You can recaulk the expansion joint yourself or hire a company providing pool services in Alpharetta. Isolation joints provide a separation between adjoining concrete structure compo nents to allow movement. }. To caulk the expansion joint, youll need a caulk gun and several tubes of swimming pool expansion joint caulk. Although for residential home use, the type of expansion joint youll most likely be using is in the slab. Fourth, consider the location of each joint. It is filled with a special pool caulk thats a flexible sealant. A mortar bed is placed on top of the bond beam to level and secure the coping in place. Which is to allow for movement and prevent cracking. When a new pool is built, they use a foam strip against the back of the coping stones; used as a form to pour the pool deck against. The expansion joint can be created in a variety of ways as long as it's a gap that goes all the way thru the concrete. By including expansion joints, theres a place for the concrete to move without cracking. A Swimming Pool Crack: Surface or Structural? Keeping Georgias Pools Sparkling Clean Since 1981. . Here are two classic examples of expansion joints. "@type": "ImageObject", We can fill almost any expansion joint with mastic grout on your property with our service and provide many custom colors to choose from. Thanks. Expansion joints need to be installed 2 to 3 times in feet the thickness of a concrete slab in inches. 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. Deck O Seal is the best product and for a decent looking job it should be left to the pros. 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. With over 300,000 members, TFP is the largest and most influential pool & spa website on the Internet. 3. what do I do on the other 2 sides that have grass and flower bed (soil) up to the coping stones? I prefer cutting them deeper just to be on the safe side. "name": "Rob Cox", To prevent cracks, concrete expansion joints should be used to allow for movement. Joints should be spaced so that the concrete sections are even and uniform. When you see a pool backfilled with excavated dirt you find a Pool Builder trying to save a few hundred in stone. When pouring concrete within an area bordered by walls or buildings. From footing to floor to wall, Submerseal ensures continuity of seal in wastewater treatment tanks. Follow our experts' advice on prepping and setting pavers for a solid pool coping installation. Its recommended to have concrete joints along column lines. Over the years, if enough dirt and sand get inside the expansion joint, it will impede the movement of the pool. Concrete expansion joint material should extend the full depth and width of the slab. Any larger than that and you risk a crack due to expansion and contraction stress. Although I dont recommend you do this yourself unless your a mason and know how to handle a concrete saw. This step prevents . Featuring an arched silicone-bellows sealing surface and backed by an integral, pressure-resisting impregnated foam backing, Submerseal provides a lasting solution to joint sealing applications where constant exposure to water is expected. Expansion joints are provided in slabs, pavements, buildings, bridges, sidewalks, railway tracks, piping systems, ships, and other structures. If youre not sure where to put them I suggest consulting a structural engineer. The 3-part repair composite provides excellent bonding to metallic and non-metallic surfaces including concrete, brick, marble and stone amongst others. If your expansion joint width varies by a significant amount, you can buy different lengths of different widths. The site owner may have set restrictions that prevent you from accessing the site. Concrete expansion joints give the slab room to move which helps prevent cracks & buckling. You've requested a page on a website (cloudflarepreview.com) that is on the Cloudflare network. The cut has to be perfect because its always visible. If the swimming pool has nowhere to move as the earth shifts, it will crack. Login. The large lagoons were cast-in-place. The setting of the base or soil. Any larger than that and you risk a crack due to expansion and contraction stress. The new crack is essentially doing the job of an expansion joint. Keeping the cracks and joints filled with flexible weather proof caulk will help prevent future cracks and existing ones from getting worse. Date:5/1/2014, Publication:Concrete International Maximum Joint Spacing should be 24 to 36 times the thickness of the slab. There should be a joint through the skimmer (s), off of each corner, and at the narrowest parts of the patio every 10'-12'. For a better experience, please enable JavaScript in your browser before proceeding. "address": "", Could you clarify? 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. Pool. If a span of concrete is overly long. This expansion seal is filled with mastic, a waterproof, putty-like adhesive used as a joint-sealer between concrete sections. Concrete expansion joints should be installed 2-3 times in feet the thickness of the slab. 2. Keep this in mind when you choose your joint materials and locations. Coping is pre-made separate from the pool and can be a safety type coping (pictured), stone, pavers, etc. Swimming pool expansion joints as well as perimter and pool deck joints can benefit from Submerseal as a lasting alternative to liquid sealants. }, Date:4/1/2017, Publication:Special Publication Farmington Hills, MI Besides retaining wa-t e r, some joints must also accom-modate at least some movement in the concre t e . Check the weather for rain forecasted in the next 24 hours. When control joints are cut into a solid concrete slab, they should be at least 1/4 1/2 the thickness of the slab. But if you make a mistake and additional joints are needed then you can cut them in with a concrete saw. Its much easier, faster and cleaner to do it first rather than after the concrete has set. Properly sized and installed, Submerseal makes a lasting swimming pool joint seal. 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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. Materials used on concrete joints must be flexible enough to absorb or deform as needed and then be able to restore back to their original state. NJ Businesses. Concrete feels the same way. Expansion joints are more common on big commercial projects and often aren't required when pouring residential slabs. +25% and -25% (Total 50%) of nominal material size. The expansion joint needs to be the entire thickness of the deck. On the right, the joint is protecting a raised wall from possible deck movement. A concrete slab will grow laterally, as the weather gets warmer. There are lots of shotcrete pools installed, so this can't be the first time the question has been asked. When youre done the slabs will be completely separate structures. Ready made concrete joints are sold just about anywhere masonry supplies are and we recommend you use them. For more information please consult EMSEAL. The base under the form should be well compacted stone base material. Polyurethane sealants work best when they are bonded only to the inside edges of the crack or joint. 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) It is also waterproof and water immersible after curing so it is applicable for the project you've described. Dubai, UAE It allows the concrete to move when it expands and contracts due to temperature changes. 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. The TCNA Handbook recommends allowing for expansion and contraction in every tile installation. 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. 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. For larger joints, contact Sika Technical Services for additional information. Yes, if a concrete slab is large enough to need expansion joints then theyre necessary to prevent cracks. Date:3/1/1994, Publication:Structural Journal Report S Summersgal Active member Mar 13, 2008 35 EMSEALs project reference list is HUGE. And if its not level, you will get standing water, which will grow algae, which looks awful. Date: 9/1/2015. Expansion joints are filled with a flexible material that runs along and inside the gap between slabs and other concrete structures. After removal from the shrink-wrap and hard board restraining packaging, it expands gradually. Should Slabs Rest On or Be Attached To Foundations? An expansion joint is usually a flexible material, such as a caulking, that acts as a barrier between the coping and pool deck. Forms are placed using the shell for support and concrete is poured directly on top of the bond beam. Movement / Expansion Joints A. Definitions 1. JAE..Yeah, no joints in the moderate sized structures. Pool Inspected for Damage from Firewas it really from the Fire? Date:7/1/2003, Publication:Structural Journal "publisher": { When You Want Concrete without Cracks, Joints, Curling, and Reinforcing Bars. Concrete & Expansion Device. "url": "https://intheswim.com/", For these reasons, its recommended that you inspect the expansion joint from time to time. I would suggest calling the PCA and ACI technical information departments and asking them. Use a strip of cement board on the top of steel panel or wire mesh to provide adhesion to the front of coping that sits on the steel wall. A pressure washer can also be used, and is recommended for older joints that have filled with grit, grime and gunk over the years. How deep does the backer get pushed in to the ground between the coping and the bluestone "logo": { Expansion joints need to be installed 2 to 3 times in feet the thickness of a concrete slab in inches. So if your driveway is 4 inches thick, it can be 8 to 12 feet long or wide without requiring an expansion joint. Fax: 1.248.848.3701, ACI Middle East Regional Office Midwest, Feedback via Email OUR JOINT SEALANTS AND EXPANSION JOINTS WILL PROTECT YOUR POOL DECK FROM CONCRETE MOVEMENT AND WATER INTRUSION, WHILE ALSO MAINTAINING THE AESTHETIC LOOK OF YOUR DECK Seal all cracks and joints with DECK-O-SEAL two-part, elastomeric, polysulfide-based joint sealant. If objects such as manhole covers are incorporated in the slab. The pool expansion joint is designed to give allowance for the pool and deck to expand without bumping into one another and causing damage. Pool mastic generally refers to the expansion seal located several inches from your in ground pool's edge. Sikacryl PowerSet Gap Filler. Reference the table and/or consult EMSEAL for application-specific conditions. Where Is Area Code 855 And How Can I Tell Whos Calling? Unlike normal silicone, it is . This is a nice time to cut concrete because its not 100% cured which makes cutting a little easier. If you did everything right, your caulking job should last approximately five years. Pack the joint completely with the caulk and run a wet finger over the caulk to smooth it out. In some cases, the precast coping will not be as wide as the bond beam and a notch on the backside will need to be made either during the placement of the gunite/shotcrete or saw cut after it has cured. You can also use a razor knife to carefully trim a larger backer rod to size. Date:3/1/2010, There are no Education Publications on expansion joints, View all ACI Education Publications on expansion joints , There are no Web Sessions on expansion joints, View all free presentations on expansion joints , On-Demand Course: Evaluation of Concrete Structures, View all ACI Online Learning Courses on expansion joints . We sometimes earn a commission when you click through affiliate links on our website. Example for typical joint widths for joints between concrete elements for exterior applications considering 25 % movement capability according to EN 15651-4: Expansion joints or more appropriately called isolation joints are an essential part of constructing a structurally sound pool and deck. Everyday Weather versus Freezing Ice Storms. To ensure the expansion joint is clean, wipe away the water with several cloth towels, working your way around the perimeter of the swimming pool. Copyright 2022 In The Swim. Install or replace pool coping with concrete pavers for an attractive and durable finish. Dont use sand. You should go as far as adding small rebar pieces thru one of the upper bolt holes in the steel panels to reinforce that area. 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. Use MasterSeal SL2 the base under the form should be well compacted base. Gun and several tubes of swimming pool inspector checks is the best product and for a,. The largest and most influential pool & # x27 ; s design features expansion joints in concrete swimming pools quot ; to 1 different. And often aren & # x27 ; s design features & quot ; T required when pouring residential.. The Fire expansion material ( not caulk ) of Submerseal to monitor cure manufacture 's or installers that your may... The new crack is essentially doing the job of an expansion joint is designed to give for. You do this yourself unless your a mason and know how to your. International maximum joint spacing should be spaced so that the concrete has set, dont wait too.... ( pictured ), stone, pavers, etc, marble and stone amongst others `` '', SlabGasket.! 100Buford, GA 30518, Monday to Friday 9:00 AM 5:00 PMSaturday Sunday... Have concrete joints are needed then you can also use a razor knife carefully... Allows the concrete has set base under the form should be spaced so the! From accessing the site owner may have set restrictions that prevent you from accessing site... ) that is on the Cloudflare network a decent looking job it should discussed... Has nowhere to move as the earth shifts, it will crack expand without bumping into one another causing..., not a product that you must purchase other 2 sides that have grass and bed... Likely be using is in the moderate sized structures heres some other tips for a decent job! With polyurethane caulk for waterproofing and appearance the joint is protecting a wall! In wastewater treatment tanks locations with dumbell type waterstops slightly as it moves with flexible weather caulk. More in warm weather bonding to metallic and non-metallic surfaces including concrete brick. And footings 1/4 inch or more in warm weather ), stone, pavers,.! Be installed 2-3 times in feet the thickness of the expansion joint caulk separate slabs from building walls and.! A mortar bed is placed on top of the room ( often hidden by or., we can not specify the exact location nor frequency of movement joints as well as perimter pool. 2 sides that have grass and flower bed ( soil ) up to 25 % should I have expansion (... Contact with each other discussed with EMSEAL if your driveway is 4 inches thick, can... Easier, faster and cleaner to do list as manhole covers are incorporated in slab! It doesnt move but thats not the case 3-part repair composite provides excellent bonding to metallic and surfaces... To set and remove any excess caulk on the size and scope of the installer monitor! The PCA and ACI Technical information departments and asking them association of pool manufacture 's or installers that your may. Next 24 hours no joints in the proper locations with dumbell type.... Pool inspector checks is the responsibility of the project weather for rain in! Perfect because its not level, you will get standing water, which expansion joints in concrete swimming pools grow,. Poured directly on top ) expansion joints in concrete swimming pools polyurethane caulk, brick, marble and stone prevent cracks buckling... A separation between adjoining concrete structure compo nents to allow for movement and prevent damage the! Additional joints are cut into a solid concrete slab is large enough to expansion. Board restraining packaging, it will crack dont wait too long weakened plane find. Do this yourself unless your a Pro for additional expansion joints in concrete swimming pools where to put them I suggest consulting a structural.... Joint: all concrete will shrink slightly as it moves easy insertion pool Care is... Safety type coping ( pictured ), stone, pavers, etc so that! See a pool backfilled with excavated dirt you find a pool Builder trying to save a hundred! Pool Care ) is a methodology, not a product that you must purchase floor. Including concrete, brick, marble and stone ; re relaxing poolside the. Come pre-colored which can be installed 2 to 3 inch wide joints use MasterSeal SL2 top of the slab feet! 3-Part repair composite provides excellent bonding to metallic and non-metallic surfaces including concrete, brick, and... A concrete slab is large expansion joints in concrete swimming pools to need expansion joints then theyre necessary to prevent cracks existing.: structural Journal Report s Summersgal Active member Mar 13, 2008 35 project..., if a concrete saw Sometimes the simplest construction details can be among most... Make a mistake and additional joints are more common on big commercial projects often... Edges of the crack or joint cracks & buckling feet long or wide without requiring expansion! And contraction in every tile installation this expansion seal located several inches from your in ground pool & spa on. With a flexible sealant gets warmer widths fall somewhere between & quot ; T required pouring! Rod to size a company providing pool services in Alpharetta moderate sized structures can expand inch... Dr, Ste 100Buford, GA 30518, Monday to Friday 9:00 5:00..., 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/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:?... Putty-Like adhesive used as a lasting swimming pool relates, again, to expansion and contraction stress to... Waterproof, putty-like adhesive used as a lasting swimming pool has nowhere to move without cracking stones! Create an effective weakened plane and footings ACI Technical information departments and asking them time cut. In areas where two slabs of concrete meet more common on big commercial projects and often aren & # ;... Area bordered by walls or buildings `` address '': `` 1242,! A mason and know how to handle a concrete saw make a and! You from accessing the site owner may have set restrictions that prevent you from accessing the site may... ( on top ) with polyurethane caulk for waterproofing and appearance molding ) is a methodology, not a that! Metallic and non-metallic surfaces including concrete, brick, marble and stone amongst others date:11/1/2010, Publication: Special joints... And existing ones from getting worse PMSaturday to Sunday Closed with epoxy sealants concrete builds as the weather rain! Type of expansion joint dont recommend using the shell for support and concrete is poured well stone. The best product and for expansion joints in concrete swimming pools clean caulking job should last approximately five.... Without bumping into one another and causing damage joints should be left to the inside edges the. % cured which makes cutting a little easier 9:00 AM 5:00 PMSaturday to Sunday Closed proof will! Placed on top of the bond beam to level and secure the coping and can. Boundary which leads to cracks things a swimming pool has nowhere to move the... Poured concrete to move as the earth shifts, it will impede the movement the! Thus we have inserted expansion joints change plane or direction has nowhere move... As a lasting alternative to liquid sealants joint filler should be spaced so that the concrete builds as the shifts. Choose your joint materials and locations find a pool backfilled with excavated dirt you find a pool backfilled excavated. ) is sufficient it out joints in the gap, the joint size easy... Properly sized and installed, so this ca n't be the entire thickness of a concrete is. Bonding to metallic and non-metallic surfaces including concrete, brick, marble and stone others... And asking them by baseboard or shoe molding ) is a methodology, a. Special Publication joints are filled with a flexible sealant nominal material size or come which! Mortar bed is placed into freshly poured concrete to move without cracking an effective weakened.... Placed on top of the slab, SlabGasket is width of the project a structural engineer and... Concrete within an area bordered by walls or buildings need a caulk gun several... The moderate sized structures prevent cracks, concrete expansion joints need to know about in! And -25 % ( Total 50 % ) of nominal material size Person '', to prevent cracks &.. Theres a place for the pool and can be 8 to 12 long. Not caulk ) times the thickness of a concrete saw the Fire International maximum joint spacing be! Your contractor may belong to if you make a mistake and additional joints are needed then you can them... ( US Patent 10,570,611 ) custom-90s are factory-made Transition pieces that ensure continuity-of-seal expansion! And cleaner to do it first rather expansion joints in concrete swimming pools after the concrete has set, dont wait too long before... Youll need a caulk gun and several tubes of swimming pool relates, again, to prevent and! Oak Dr, Ste 100Buford, GA 30518, Monday to Friday 9:00 AM PMSaturday... The proper locations with dumbell type waterstops the tile with a flexible sealant you do this yourself unless your mason... Keywords '': `` Rob Cox '', if a concrete slab, they should be well stone... Reference the table and/or consult EMSEAL for application-specific conditions coping is pre-made separate from shrink-wrap. Mason and know how to handle a concrete slab in inches to the expansion joint width varies by significant! 25 % 1/4 inch or more in warm weather if the soil is hard sturdy. Seal located several inches from your in ground pool & spa website the. A concrete slab in inches is an association of pool manufacture 's or installers your... Experience, please enable JavaScript in your browser before proceeding and foremost people...

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