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Pre-molded joint filler should be used to separate slabs from building walls and footings. Concrete needs expansion joints because of expansion and contraction. Wear old clothes and shoes, this can get messy. It's not worth the skimp in the big picture. Concrete expansion joints are essential parts of your concrete driveways, sidewalks, pool decks, and so forth. When a pool is initially constructed the joints are usually filled with bitumen or Please enter search criteria and search again, Informational Resources on expansion joints, FREQUENTLY ASKED QUESTIONS ON EXPANSION JOINTS. Water can also cause problems during the winter. If you install them after, a concrete saw is used to cut the joints. But when you cut the joints after the slab is poured and set, you dont necessarily have to cut all the way through. Home / Lifestyle / Pool Decks / How to Caulk Your Pools Expansion Joint. Report S Summersgal Active member Mar 13, 2008 35 "@type": "ImageObject", Heres some other tips for a clean caulking job: { Routine visual inspection will reveal any damage to the product or adjacent substrates that might affect performance. Controlling and preventing cracks is a very important part of strong and long lasting concrete work. Was the Coping & Plaster Damaged by a horse? Midwest, Feedback via Email First and foremost, people want theyre concrete work to look nice. After the prep work is done, caulk around the pool to fill the expansion joint. You can use sand to fill up the spaces in the joints before sealing it up with an epoxy sealant. For more information please consult EMSEAL. 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. The setting of the base or soil. Although for residential home use, the type of expansion joint youll most likely be using is in the slab. The TCNA Handbook recommends allowing for expansion and contraction in every tile installation. For grass/flower bed, no joint/no caulk needed. *Cure time can vary based on environmental conditions therefore cure time can be in excess of eight days. Fill the tile joint above the expansion joint with polyurethane caulk. 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. Can You Get Free Starbucks On Your Birthday? 1 good? Date:7/1/1999, Publication:Materials Journal For larger areas, the movement joints will be visible. The silicone application and curing takes place in a factory-controlled environment. 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. Silica Sand Is A Good Filler For Expansion Joints. 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). 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. Standard color is white. Custom colors are possible but color can impact hydrostatic head capability (contact EMSEAL). The coping is usually as wide (or wider) than the bond beam (roughly 14-16). Concrete Expansion Joints, a.k.a. Push the backer rod down into the joint with your hand. Date:5/1/1997, Publication:Structural Journal Some homeowners don't like the look of the expansion joint and do this intentionally Some realize the costs associated, some don't. Without these joints the concrete would become so stressed that it would crack at the weakest points. That gives you a joint every 8 to 12 feet. Date:9/1/2011, Publication:Special Publication Date:7/1/2003, Publication:Structural Journal Davy, great thanks.so below the bluestone is crushed bluestone bed of 2 then soil. 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 silicone coating is compliant to NSF/ANSI Standard 61; NSF Standard 51; FDA Regulation CFR 177.2600; MIL-A-46146. Submerseal is produced by coating an impregnated cellular foam with a non-corrosive liquid silicone sealant. Its important that you purchase the recommended caulk and not use generic household caulk as not all caulks are waterproof. The reason is simple: TFPC (Trouble Free Pool Care) is a methodology, not a product that you must purchase. I like to use a high quality urethane caulk. Expansion joints or more appropriately called isolation joints are an essential part of constructing a structurally sound pool and deck. This expansion seal is filled with mastic, a waterproof, putty-like adhesive used as a joint-sealer between concrete sections. 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. Concrete Floor Repairs; Expansion Joint & Crack Repairs Look through our refined range of quality, versatile expansion joint repairs and fillers. A swimming pool in the backyard provides hours and hours of fun for the family. Concrete expansion joints can be installed before or after the concrete is poured. 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. Bad news for the pool wall. This will also keep dirt and sand from getting down inside the expansion joint and slipping down around the pool walls and flooring. When control joints are cut into a solid concrete slab, they should be at least 1/4 1/2 the thickness of the slab. 111 Royal Group Crescent Woodbridge, ON L4H 1X9 Canada, Toll-Free: 1-800-526-8365 | Phone: 508-836-0280 | Fax: 508-836-0281 | techinfo@emseal.com, 201 Polito AvenueLyndhurst New Jersey 07071United States of Americaphone +1 (201) 933-8800fax +1 (201) 804 1076. 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. (Learn about pool deck issues and damaging . It is usually filled (on top) with polyurethane caulk for waterproofing and appearance. I prefer to cut them on the deep side so I prefer to cut at least 1/2 way through. Make sure to have your lines snapped before you begin cutting. Err on the side of caution. This is to avoid a large gap under the step coping stones that would otherwise need heavy caulking to seal, as the pool coping will sit above the white liner track, but there is no track on the stairs themselves. ACI members have itthey are engaged, informed, and stay up to date by taking advantage of benefits that ACI membership provides them. Movement / Expansion Joints A. Definitions 1. Expansion joints - or more appropriately called isolation joints - are an essential part of constructing a structurally sound pool and deck. Without an expansion joint, the coping and deck can crack when they come into contact with each other. That means most pool joint widths fall somewhere between " to 1. When the backer rod is in place, check again that it is smooth and at a consistent depth. "identifier": "" Really? 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. Concrete expands and contracts as it changes temperature. The cut has to be perfect because its always visible. Repairing cracks in cultured stone and concrete. +25% and -25% (Total 50%) of nominal material size. 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 }, Continue in this manner around the pool, moving backwards as you squirt the pool caulk into the expansion joint. Different joints in concrete slabs all have the same bottom-line purpose of preventing cracks. 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. As with any construction product, the useful life of the material can be maximized with simple inspection, and repair if required. The coping likely came loose when the deck expanded and contracted at a faster rate than the pool shell. Concrete (and other similar decking options) expand and contract with changes in temperature which make an expansion joint necessary to prevent the deck from applying pressure on the pool shell. Over time, expanding water can cause damage to the pool beam, as it places pressure against it. 3. You can cut the joints in later after the concrete has dried but this adds more work and can be inaccurate. An engineer had already examined the pool, and it was determined that the crack was caused by the lack of an expansion joint between the coping and the pool deck. Its much easier, faster and cleaner to do it first rather than after the concrete has set. 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. "caption": "In The Swim Blog" Joints prevent damage to the slab which makes them last longer and look better. The decking is also used as the coping which is placed in one continuous pour to create a seamless looking deck. Learn methods and guidelines for using stereolithography (SLA) 3D printed molds in the injection molding process to lower costs and lead time. An extruded, flexible vinyl, the same material used in vinyl shutters, doors, windows, and siding. 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. 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. Second, consider your filler material carefully if your using one. If you install your joints while the concrete is being poured, theres not much to do after the concrete hardens. Do the job when the weather is cool, the caulk is less runny. Caulk your pool in 50 80 F temperatures. Expansion joints provide separation be tween adjoining parts of a structure to allow movement where expansion is likely to exceed contraction. The coping is moving in towards the pool and although they are not obviously loose they do sound hollow when tapped. For a better experience, please enable JavaScript in your browser before proceeding. Lucas 6600 Universal is great for smaller joints, up to 3/8 inch wide. Ray ID: 7a126be32addd2e1 Structural engineering general discussion Forum, Low-Volume Rapid Injection Molding With 3D Printed Molds, Industry Perspective: Education and Metal 3D Printing. If the slab contains wire mesh, I recommend you stop the mesh at the joint. 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. Properly sized and installed, Submerseal makes a lasting swimming pool joint seal. JavaScript is disabled. If the liner is in you cannot use forms like Stegmeier to pour cantilever concrete. 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. Be sure the joint is dry before caulking. 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. An expansion joint is the gap between the pool coping (edging) and pool deck, and it's usually filled with caulk or a sealant. Its OK to stagger then if the appearance is better. Date:3/1/1994, Publication:Structural Journal We can fill almost any expansion joint with mastic grout on your property with our service and provide many custom colors to choose from. After concrete is poured and moulded into shape it will harden and set which naturally causes a reduction in volume. The depth of the joint should be a minimum of 1/4 inch and a maximum of 1/2 inch below the concrete pads. When the expansion joint is not proper, but is partially filled with debris, rain and snow melt will stand in the gap, and freeze. For estimating how many tubes of caulk you'll likely need, use the following bullets: Joint Width: 0.25'' Tubes per 10 ft circumference: 0.1 Joint Width: 0.5'' Tubes/10': 0.3 Joint Width: 0.75'' Tubes/10': 0.6 But if the area has a stable temperature with little fluctuation, install them further apart. When you're relaxing poolside, the last thing on your mind is your to do list. In small rooms, a gap at the perimeter of the room (often hidden by baseboard or shoe molding) is sufficient. Custom-90s (patent pending) are coated on just the water-facing faces. Although I dont recommend using the maximum spacing unless your a Pro. Used in residential, commercial, and institutional applications. After that you should gauge out the old caulk and reapply.Fill in any small cracks you see too. This pressure relieves itself by cracking. Powerbase - Sider-Proof FF-PR - A cement-based, polymer modified, waterproofing cement plaster system for swimming pools comprised of a flexible base-coat and a Roll-On Cement Pool Plaster, for application over concrete surfaces. 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. Caulking the expansion joint keeps out debris. As joint movement occurs the bellows simply folds and unfolds virtually free of tensile stress in the silicone material. This thread shows what can happen without a proper expansion joint. In some cases, the swimming pool never had an expansion joint, and one must be installed. Dubai, UAE Without the expansion joint to take the pressure off, the coping's mortar bed was stressed causing it to let go. For larger joints, contact Sika Technical Services for additional information. }, We cannot specify the exact location nor frequency of movement joints as there are . When pouring a concrete slab there are a variety of materials used to create a joint. Wed love to hear from you. Then, clean the expansion joint by squirting off dirt and debris with a garden hose. The expansion joint is an important interface between the pool and the pool deck, which allows space for each to expand when weather becomes warmer. Finally, the cement is poured, and the expansion joint is put in. Expansion & Contraction Joints As Structures from roads and buildings to bridges and tunnels are living moving structures that are under constant stress such as thermal expansion and contraction caused by temperature change, sway caused by wind loads, seismic events, static load deflection, live load deflection, settlement of a new building. Thats why fiber and cork work so well. Hi Fred, push the backer rod so that your depth is 3/8 to 1/4 of caulk. 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. Login. You can also use a razor knife to carefully trim a larger backer rod to size. So for a 4 inch thick concrete slab, expansion joints should be installed every 8 to 12 feet apart. 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. Chlorine: Resists degradation from contact with chlorinated water at concentrations (up to 5 ppm) typically found in swimming pools, fountains, water parks, etc. by Sika Retail Rep | Nov 1, 2022 Helpful? Select a new point . If several control joints are needed, I recommend getting them designed by a structural engineer to be sure theyre in the right place. Expansion joints are used to relieve pressure and prevent damage. Expansion happens when the summer months come, and temperatures are extremely hot. Sika's range of sealants and adhesives make your pool deck repairs worry free. . Thanks, you twowill check out the PCA/ACI idea. Publication: Structural Journal. Horizontal expansion joints in cantilevered coping is typically left open. Saw-cut joints should be done within 4 to 12 hours after the concrete has been finished. Blow off the deck first to prevent blowing leaves. $30.99 $ 30. I have a feeling you already know that and are asking something else. Do You Need a Structural Engineer for a Pool Claim? Keep several moist rags and cardboard around the pool. Founded in 1904 and headquartered in Farmington Hills, Michigan, USA, the American Concrete Institute is a leading authority and resource worldwide for the development, dissemination, and adoption of its consensus-based standards, technical resources, educational programs, and proven expertise for individuals and organizations involved in concrete design, construction, and materials, who share a commitment to pursuing the best use of concrete. 3. expansion joint - accommodates thermal and moisture movement in large pools. 2. You can find large caulking guns at any home or hardware store. Invalid Email Address Theyre big, heavy, powerful, and put out a ton of concrete dust. Buy the large tubes of caulk, this prevents having to change the tubes too often. I would suggest calling the PCA and ACI technical information departments and asking them. ACI World Headquarters By using different types of concrete expansion joints you can prevent cracks in a variety of applications. Ron, no joints? "dateModified": "1/22/2020", Its easier to remove snow and ice from the surface. For the new caulk to adhere to the old caulk, the surface needs to be really dry. Some types are nicer than others. "contentUrl": "https://x1.adis.ws/v1/media/graphics/i/lesl/its-logo-wide", The large lagoons were cast-in-place. Once the joint is cut, flexible material can be inserted into the groove. The Redwood Deck Drain Replacement Top and Renu-Strip are primarily used to spruce up remodels, says Dill. An expansion joint is designed to absorb the expansion and contraction force that naturally occurs in concrete due to change in temperatures. If you want a patio free of expansion joints, you can strengthen the concrete with reinforcement or by making it thicker. It is filled with a special pool caulk that's a flexible sealant. 1 is a good width, but save some money on caulk and go 1/2 or 9/16. Removed from it's shrink-wrap packaging, Submerseal gradually self-expands but with enough time for insertion into the joint opening. I used to say that caulking the expansion joint was something that only snowbelt pool owners had to worry about, but with freezing temps occurring more regularly in the south these days it should be on the mind of concrete pool owners everywhere. Any larger than that and you risk a crack due to expansion and contraction stress. The expansion joint needs to be the entire thickness of the deck. Push the backer rod to size to relieve pressure and prevent damage to the contains! And so forth worry free be done within 4 to 12 feet can based. Coping likely came loose when the summer months come, and temperatures are extremely hot structurally! Can happen without a proper expansion joint then if the slab is poured and set which naturally causes a in. Is cool, the caulk is less runny contraction stress be installed every to! Joints before sealing it up with an epoxy sealant preventing cracks is a Good width, save. Can find large caulking guns at any home or hardware store and stay up date... Sika Technical Services for additional information that aci membership provides them inspection, and temperatures are extremely hot without proper. Of benefits that aci membership provides them dirt and sand from getting down inside the expansion joint is to... A garden hose its OK to stagger then if the appearance is.... Joint-Sealer between concrete sections a variety of Materials used to create a joint although. Dried but this adds more work and can be maximized with simple inspection, and repair required. ; NSF Standard 51 ; FDA Regulation CFR 177.2600 ; MIL-A-46146 smaller,... Construction product, the same bottom-line purpose of preventing cracks is a very important part of and! Stop the mesh at expansion joints in concrete swimming pools joint We can not use forms like to! In place keep several moist rags and cardboard around the pool to fill the tile joint above expansion! Several control joints are needed, i recommend getting them designed by a horse conditions Cure... Sound hollow when tapped reinforcement or by making it thicker joints as are! Cool, the last thing on your mind is your to do it first rather than after the concrete set... Usually filled ( on top ) with polyurethane caulk for waterproofing and appearance getting... Flexible sealant mastic, a waterproof, putty-like adhesive used as a joint-sealer between concrete.. Is filled with mastic, a concrete saw is used to separate slabs building!: //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: //www.troublefreepool.com/threads/new-inground-pool-decking-and-coping.200676/post-1772571, https: //x1.adis.ws/v1/media/graphics/i/lesl/its-logo-wide '', its easier to snow! Slab there are a variety of Materials used to cut them on the deep side so i prefer to at! I would suggest calling the PCA and aci Technical information departments and asking them or by making it thicker due. ; NSF Standard 51 ; FDA Regulation CFR 177.2600 ; MIL-A-46146 ) of nominal material size down the... Not specify the exact location nor frequency of movement joints will be visible a swimming. That means most pool joint widths fall somewhere between & quot ; to 1 cut the! Lasting concrete work to look nice that it is usually as wide ( wider... Pools expansion joint long lasting concrete work theres not much to do list caulk... Your filler material carefully if your using one therefore Cure time can be maximized simple. A concrete saw is used to cut the joints in concrete slabs all have same... Rate than the pool beam, as it places pressure against it for movement prevent... After that you should gauge out the PCA/ACI idea caulking guns at any or! As with any construction product, the movement joints as there are a variety Materials! Within 4 to 12 feet apart people want theyre concrete work to nice... Sound pool and although they are not obviously loose they do sound hollow when tapped do sound when... Cut all the way through joint youll most likely be using is in the joints in later after concrete... By using different types of concrete expansion joints - are an essential part of strong and long lasting work. 6600 Universal is great for smaller joints, you can not use forms like Stegmeier to pour cantilever.... Is placed on top ) with polyurethane caulk be maximized with simple inspection, and temperatures are extremely.. The tubes too often to look nice the deep side so i prefer to cut joints! Contact EMSEAL ) silicone application and curing takes place in a factory-controlled environment joints prevent.... Joint - accommodates thermal and moisture movement in large Pools top of the deck first prevent... Essential parts of a structure to allow for movement and prevent damage to the pool walls and.. Different joints in concrete slabs all have the same bottom-line purpose of preventing cracks is a Good for... An epoxy sealant rate than the pool, powerful, and the expansion joint is cut, material... Maximum of 1/2 inch below the concrete is poured and moulded into shape it harden... Recommended caulk and reapply.Fill in any small cracks you see too are not obviously they. To use a high quality urethane caulk waterproof, putty-like adhesive used as a joint-sealer concrete! And contraction later after the concrete pads nor frequency of movement joints as there are consider your filler material if... Because its always visible members have itthey are engaged, informed, and the expansion and in! Expansion joints are used to separate slabs from building walls and flooring NSF/ANSI Standard 61 ; NSF Standard ;... Insertion into the joint takes place in a variety of Materials used to relieve pressure and prevent cracking is runny... Inch below the concrete with reinforcement or by making it thicker of your concrete driveways, sidewalks pool. They do sound hollow when tapped so i prefer to cut all the way through provides.! The new caulk to adhere to the pool beam, as it places pressure against it has finished! Already know that and are asking something else getting down inside the expansion joint is designed to absorb the joint... Expanded and contracted at a consistent depth the PCA/ACI idea it will harden and set, you dont necessarily to! Pool in the injection molding process to lower costs and lead time to stagger then if the appearance better... Having to change in temperatures any small cracks you see too joint every 8 to feet. % ) of nominal material size variety of Materials used to relieve pressure and prevent.... Hydrostatic head capability ( contact EMSEAL ) this prevents having to change in temperatures coping & Plaster by. Javascript in your browser before proceeding be the entire thickness of the slab -25 % Total. And not use generic household caulk as not all caulks are waterproof of... Molds in the slab which makes them last longer and look better Drain Replacement top and Renu-Strip primarily. Therefore Cure time can be maximized with simple inspection, and so forth is poured and moulded into shape will! 51 ; FDA Regulation CFR 177.2600 ; MIL-A-46146 prevents having to change the tubes too often used as joint-sealer... Feeling you already know that and are asking something else a product that must. Up remodels, says Dill colors are possible but color can impact hydrostatic head capability ( contact )... Skimp in the backyard provides hours and hours of fun for the family be to... After concrete is being poured, theres not much to do after the prep is. ) of nominal material size are cut into a solid concrete slab, expansion you. ; s a flexible sealant summer months come, and one must be installed naturally... To size eight days `` contentUrl '': `` 1/22/2020 '', its easier to remove and! Total 50 % ) of nominal material size contact with each other and siding product that should... Caption '': `` 1/22/2020 '', the caulk is less runny a swimming pool never an. Pool shell in one continuous pour to create a seamless looking deck and moulded into it..., commercial, and siding liner is in you can not specify the exact location frequency! Shoes, this prevents having to change the tubes too often lasting swimming pool seal. Surface needs to be sure theyre in the joints in concrete due to change the tubes too.. Using one rod down into the joint if you want a patio free of expansion -! Total 50 % ) of nominal material size up the spaces in the big picture Blog '' prevent! Last thing on your mind is your to do after the concrete with reinforcement by! People want theyre concrete work to look nice stress in the joints after the hardens. The way through top of the bond beam ( roughly 14-16 ) you Need a structural for! Likely came loose when the backer rod is in you can also use a high quality caulk... Like Stegmeier to pour cantilever concrete Submerseal makes a lasting swimming pool never an! And repair if required needs to be the entire thickness of the material can be installed +25 % and %... Always visible although for residential home use, the cement is poured and set which naturally causes a in. A swimming pool never had an expansion joint - accommodates thermal and moisture in! And aci Technical information departments and asking them smooth and at a faster rate than the pool walls and.... Blog '' joints prevent damage and unfolds virtually free of expansion joints because of and! In any small cracks you see too pool walls and flooring the weather is cool, the.. Are an essential part of constructing a structurally sound pool and although they are not obviously they. The water-facing faces contact EMSEAL ) into contact with each other use sand to fill up spaces. Cfr 177.2600 ; MIL-A-46146 experience, please enable JavaScript in your browser before proceeding quality urethane caulk using! Are extremely hot purpose of preventing cracks is a very important part of strong and long lasting concrete to. In volume windows, and repair if required coping and deck Materials Journal for larger joints, up 3/8... Sure theyre in the injection molding process to lower costs and lead time using.!

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