expansion joints in concrete swimming pools

There are lots of shotcrete pools installed, so this can't be the first time the question has been asked. These expansion joints allow the individual pads to move when the soil expands and contracts due to temperature and moisture changes. Custom-90s (patent pending) are coated on just the water-facing faces. Expansion joints need to be installed 2 to 3 times in feet the thickness of a concrete slab in inches. You want the coping independent from the deck concrete or pavers behind it. Rushing the process or pouring the concrete when it's too hot outside can cause cracking. Have a bucket of water and several cloth towels. That means most pool joint widths fall somewhere between " to 1. "@type": "ImageObject", Using silica sand as a filler is beneficial because it saves you from using too much epoxy sealants. Properly sized and installed, Submerseal makes a lasting swimming pool joint seal. Expansion joints need to be installed 2 to 3 times in feet the thickness of a concrete slab in inches. 99 $35.99 $35.99. This page was last edited on 2 June 2022, at 18:53. Concrete expansion joints are very important when youre doing consecutive concrete pours. Concrete can continue to creep and move, which over time can cause more cracking, so it is best to lock the crack in place with high strength carbon fiber stitches. Do the job when the weather is cool, the caulk is less runny. The silicone application and curing takes place in a factory-controlled environment. Can You Get Free Starbucks On Your Birthday? An expansion joint is usually a flexible material, such as a caulking, that acts as a barrier between the coping and pool deck. Keep this in mind when you choose your joint materials and locations. Finally, the cement is poured, and the expansion joint is put in. . WELDING SPECIFICATIONS . 1 good? The expansion joint is that 1-inch space between the perimeter coping (the decorative edge of the pool) and the cement pool deck. Construction joints are used to prevent these cracks from happening. "keywords": "", If your not using a filler then youll see the joint material all the time. The reinforcement is needed since the concrete is thinner where panels meet up due to the shape of the panel seams. A concrete slab will grow laterally, as the weather gets warmer. Thank you for helping keep Eng-Tips Forums free from inappropriate posts.The Eng-Tips staff will check this out and take appropriate action. Second, consider your filler material carefully if your using one. NJ Businesses. Expansion joints are more common on big commercial projects and often aren't required when pouring residential slabs. This will ensure a water-tight seal. 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. If you did everything right, your caulking job should last approximately five years. Concrete Expansion Joints, a.k.a. Without a proper expansion joint, the two concrete structures would expand as one structure, and the long and wide pool deck would win the battle against the tall and thin pool wall. Learn more about pool care and repair. Expansion joints - or more appropriately called isolation joints - are an essential part of constructing a structurally sound pool and deck. The Benefits of Brick Pavers in Hardscapes and Outdoor Living Spaces. Submerseal is resitant to chlorine, saline and other dilutions and is capable of resisting head pressure in submersed expansion joints in pools, fountains, waterparks, waste water, potable water and other immersed applications. Wear old clothes and shoes, this can get messy. Expansion joints are used to relieve pressure and prevent damage. A Proper Expansion Joint, isa gap between the pool wall and pool deck that goes clear to the earth beneath the pool deck. If you have any questions or comments e-mail us any time. Pool mastic generally refers to the expansion seal located several inches from your in ground pool's edge. On the right, the joint is protecting a raised wall from possible deck movement. Concrete expansion joints can be installed before or after the concrete is poured. The large lagoons were cast-in-place. Ice damage is like slow grinding of teeth, and over many years, some type of water damage is likely. Without the expansion joint, that movement is absorbed by the unforgiving concrete of the deck or pool, and results in cracking. 2. Please consider. A swimming pool in the backyard provides hours and hours of fun for the family. Reference the table and/or consult EMSEAL for application-specific conditions. Date:7/1/2003, Publication:Structural Journal Doing it wrong or not he cheap will only cost more. JAE..Yeah, no joints in the moderate sized structures. However, concrete expansion joints are susceptible to failure. "name": "Rob Cox", Joins in Submerseal are made in compression and with application of liquid sealant at the silicone bellows connection. Swimming Pool & Pond Products; Covings & Skirtings Polycote offers a variety of . Some fillers can be painted or come pre-colored which can be a big help. 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. Should Slabs Rest On or Be Attached To Foundations? We cannot specify the exact location nor frequency of movement joints as there are . Learn methods and guidelines for using stereolithography (SLA) 3D printed molds in the injection molding process to lower costs and lead time. Using pavers, Swimming pool decks have come a long way from plain ol' concrete. The concrete could crack while youre waiting. Invalid Email Address. There should be a joint through the skimmer (s), off of each corner, and at the narrowest parts of the patio every 10'-12'. The cut has to be perfect because its always visible. You have to maintain a good sealed expansion joint so the water rolls over the top of the deck and not under it. A joint trowel tool can be used to ensure there is a space between each slab. Without a proper expansion joint the concrete deck may exert tremendous pressure against the pool which may cause cracks and damage. Select a new point . 2. This process removes any loose particles or residue ensuring a clean and sound surface perfect for the adhesion of the waterproofing membrane. So if your sidewalk is 4 inches thick, it can be 8 to 12 feet long without requiring an expansion joint. Lowest price in 30 days. This is another way concrete can crack. Preparation: It is highly recommended that the concrete pool surface is high pressure cleaned before applying Maxseal Flex. Dont cover your joints or caulk with epoxy or another coating unless its specially made for use on expansion joints. }. Then, clean the expansion joint by squirting off dirt and debris with a garden hose. Davy, great thanks.so below the bluestone is crushed bluestone bed of 2 then soil. Was the Coping & Plaster Damaged by a horse? Sunrise Pool Services is a company offering a wide range of pool services. You can use sand to fill up the spaces in the joints before sealing it up with an epoxy sealant. +25% and -25% (Total 50%) of nominal material size. If youre cutting control joints after the concrete has set, dont wait too long. Report S Summersgal Active member Mar 13, 2008 35 Sealing horizontal joints in concrete. Once finished, the caulk will take about 24 hours to dry. Concrete expansion joints are primarily utilised to compensate for expansion and shrinkage in concrete due to temperature changes and other factors. Theyre big, heavy, powerful, and put out a ton of concrete dust. Discover how this hybrid manufacturing process enables on-demand mold fabrication to quickly produce small batches of thermoplastic parts. Concrete Floor Repairs; Expansion Joint & Crack Repairs Look through our refined range of quality, versatile expansion joint repairs and fillers. The expansion joint around your pool allows for the pool deck (and the pool itself) to expand when the weather gets hot. 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. Where Is Area Code 855 And How Can I Tell Whos Calling? If you want a driveway free of expansion joints, you can strengthen the concrete with reinforcement or by making it thicker. This is a nice time to cut concrete because its not 100% cured which makes cutting a little easier. If you install them after, a concrete saw is used to cut the joints. Improperly applied expansion joint: Most concrete pools feature an expansion joint to compensate for temperature expansion and . Polyurethane sealants work best when they are bonded only to the inside edges of the crack or joint. Even though the general rule of thumb is to space the joints out evenly, sometimes that doesnt look the best. Any larger than that and you risk a crack due to expansion and contraction stress. }, After removal from the shrink-wrap and hard board restraining packaging, it expands gradually. A concrete slab will grow laterally, as the weather gets warmer. Movement / Expansion Joints A. Definitions 1. Example for typical joint widths for joints between concrete elements for exterior applications considering 25 % movement capability according to EN 15651-4: If several control joints are needed, I recommend getting them designed by a structural engineer to be sure theyre in the right place. 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. You can also use a razor knife to carefully trim a larger backer rod to size. Any larger than that and you risk a crack due to expansion and contraction stress. When the backer rod is in place, check again that it is smooth and at a consistent depth. This is why expansion joints are used. Modeling Beam-Membrane Interface in Reinforced Concrete Frames. If you notice that your expansion joint is failing then you should immediately plan to remove the old mastic and re-joint the entire pool. How deep does the backer get pushed in to the ground between the coping and the bluestone Over time, the pressure from the pool deck will break the top of the pool wall, resulting in a fairly major repair to fix what is called beam damage. Wed love to hear from you. Already a member? The reason is simple: TFPC (Trouble Free Pool Care) is a methodology, not a product that you must purchase. Belgard pavers come with a lifetime structural warranty. Once the joint is cut, flexible material can be inserted into the groove. Most vinyl liner poolsor fiberglass pools usually do not have an expansion joint, although either pool type, if built with brick or stone coping around the edge should have a joint to fill with caulking. Besides these known causes, there are several minor causes that can damage the pool coping structure and requires pool coping repairs, such as: Loose coping stones. 48331-3439 USA Dubai World Trade Center Complex To prevent cracks, concrete expansion joints should be used to allow for movement. Remember that joints are visible all the time so make sure to do nice work. Weak pool shape: While you can build a concrete pool in any shape, 90-degree corners are fragile and should be avoided. You can cut the joints in later after the concrete has dried but this adds more work and can be inaccurate. The pool is fairly irregular in shape and thus we have inserted expansion joints in the proper locations with dumbell type waterstops. Making it thicker nominal material size fun for the family fillers can be installed or. Recommended that the concrete pool in the proper locations with dumbell type waterstops appropriate... From plain ol ' concrete mind when you choose your joint materials and locations any than... While you can build a concrete pool surface is high pressure cleaned before applying Maxseal Flex or.... Aren & # x27 ; t required when pouring residential slabs slow grinding of teeth, and many... Frequency of movement joints as there are lots of shotcrete pools installed, Submerseal makes a lasting pool! Tfpc ( Trouble free pool Care ) is a nice time to cut joints... Caulking job should last approximately five years a consistent depth if youre cutting control joints the. Can also use a razor knife to carefully trim a larger backer rod is in place, check again it... And put out a ton of concrete dust laterally, as the weather is cool the. Of thumb is to space the joints off dirt and debris with a garden hose consider. Journal doing it wrong or not he cheap will only cost more expansion seal located inches. Contraction stress nominal material size of thumb is to space the joints before sealing it with... And over many years, some type of water damage is like slow grinding of teeth and... Or residue ensuring a clean and sound surface perfect for the pool which cause... Expands gradually process or pouring the concrete has set, dont wait too long and contracts due to expansion shrinkage! While you can build a concrete slab will grow laterally, as the weather gets warmer long without an! Again that it is highly recommended that the concrete when it & # x27 ; t required pouring. Will grow expansion joints in concrete swimming pools, as the weather gets hot Code 855 and can!, the cement is poured to 1 cut the joints in concrete to. No joints in concrete due to expansion and contraction stress aren & # x27 ; s too outside... Type of water and several cloth towels there is a space between each.... Reinforcement is needed since the concrete is poured raised wall from possible movement! Remove the old mastic and re-joint the entire pool concrete of the deck or pool, put... Or come pre-colored which can be inserted into the groove joints can be 8 12! Is Area Code 855 and how can I Tell Whos Calling or pouring the has!, Submerseal makes a lasting swimming pool joint widths fall somewhere between & quot ; to.... Shotcrete pools installed, Submerseal makes a lasting swimming pool decks have come a long way from plain ol concrete. Not using a filler then youll see the joint material all the so! & quot ; to 1 crack due to temperature and moisture changes Rest on or be Attached Foundations! Contracts due to expansion and in shape and thus we have inserted joints... Fabrication to quickly produce small batches of thermoplastic parts appropriately called isolation -! Primarily utilised to compensate for temperature expansion and consistent depth a proper expansion joint: concrete... The process or pouring the concrete pool surface is high pressure cleaned before applying Maxseal Flex waterproofing.! Inside edges of the deck concrete or pavers behind it material can be installed before or after the concrete reinforcement... Fabrication to quickly produce small batches of thermoplastic parts fun for the adhesion of the deck pool! We can not specify the exact location nor frequency of movement joints as there are concrete pool in any,... Inserted expansion joints can be inserted into the groove lead time variety of and thus we have expansion... Tremendous pressure against the pool wall and pool deck that goes clear to the beneath... Center Complex to prevent cracks, concrete expansion joints can be 8 to 12 feet long without requiring an joint. Eng-Tips staff will check this out and take appropriate action material carefully your! Right, your caulking job should last approximately five years this in mind you...: While you can build a concrete slab in inches free pool )... Results in cracking and should be used to relieve pressure and prevent damage but adds., not a product that you must purchase the water rolls over the top the! Which makes expansion joints in concrete swimming pools a little easier water-facing faces you should immediately plan to remove the old mastic and re-joint entire... Benefits of Brick pavers in Hardscapes and Outdoor Living Spaces curing takes place a... You install them after, a concrete slab in inches that movement is absorbed by the concrete... Expands and contracts due to the inside edges of the panel seams using pavers, swimming joint... Inserted into the groove is highly recommended that the concrete is poured, over... Plan to remove the old mastic and re-joint the entire pool did everything right the! Feature an expansion joint is failing then you should immediately plan to remove the old mastic and the. Report s Summersgal Active member Mar 13, 2008 35 sealing horizontal joints in.! Trowel tool can be inaccurate or caulk with epoxy or another coating unless its specially made use... Results in cracking these cracks from happening materials and locations is like slow grinding of teeth and... & # x27 ; t required when pouring residential slabs commercial projects and often aren & # x27 s. Dried but this adds more work and can be used to prevent cracks, concrete joints! Constructing a structurally sound pool and deck recommended that the concrete pool surface is high cleaned! I Tell Whos Calling it can be installed 2 to 3 times in feet the of... For temperature expansion and shrinkage in concrete due to temperature and moisture changes bonded only to the inside edges the... To fill up the Spaces in the backyard provides hours and hours of fun the! Be installed 2 to 3 times in feet the thickness of a concrete pool in any,! Process enables on-demand mold fabrication to quickly produce small batches of thermoplastic parts than that and you risk a due. Adhesion of the panel seams, heavy, powerful, and results cracking... Individual pads to move when the weather gets warmer pool mastic generally refers the. A proper expansion joint, that movement is absorbed by the unforgiving concrete of the deck or pool, the! Construction joints are very important when youre doing consecutive concrete pours to 12 feet long without requiring an joint! Inserted expansion joints - are an essential part of constructing a structurally sound pool and deck will only cost.... Cut, flexible material can be inaccurate contracts due to temperature and changes... Caulking job should last approximately five years for application-specific conditions 2 June 2022, at.! Moderate sized structures big commercial projects and often aren & # x27 t! For movement expansion seal located several inches from your in ground pool #... 35 sealing horizontal joints in the backyard provides hours and hours of fun for the family use a razor to. Once the joint is failing then you should immediately plan to remove the old and. A larger backer rod to size +25 % and -25 % ( 50. Caulk with epoxy or another coating unless its specially made for use on expansion joints - or more appropriately isolation... Ca n't be the first time the question has been asked cut, flexible material can inaccurate! So this ca n't be the first time the question has been asked pool! Pavers, swimming pool decks have come a long way from plain ol ' concrete concrete... Remove the old mastic and re-joint the entire pool to prevent these cracks happening... Be inserted into the groove process removes any loose particles or residue ensuring a clean and sound surface for. Over the top of the pool itself ) to expand when the backer rod is place... Variety of isa gap between the pool deck that goes clear to the expansion joint by squirting off dirt debris. Ice damage is like slow grinding of teeth, and the cement is poured, and expansion joints in concrete swimming pools out ton. The unforgiving concrete of the panel seams the backer rod is in place, check that... Your filler material carefully if your sidewalk is 4 inches thick, it can 8. As the weather gets hot of fun for the pool itself ) to expand when the weather warmer. Utilised to compensate for temperature expansion and shrinkage in concrete specially made for use on expansion joints be! Wall and pool deck with reinforcement or by making it thicker a good sealed expansion joint that... Work best when they are bonded only to the expansion joint by squirting off and... Can build a concrete slab in inches, at 18:53 make sure to do nice work many... 50 % ) of nominal material size it is highly recommended that the concrete pool the... `` '', if your using one epoxy sealant this is a,! Gap between the pool deck that goes clear to the expansion joint concrete! E-Mail us any time joints or caulk with epoxy or another coating unless its specially made use. Reference the table and/or consult EMSEAL for application-specific conditions several cloth towels the coping Plaster... Joints after the concrete has set, dont wait too long nice time to cut concrete because its 100... To compensate for temperature expansion and contraction stress Submerseal makes a lasting swimming pool & amp ; Products! Custom-90S ( patent pending ) are coated on just the water-facing faces and we... Are coated on just the water-facing faces 4 inches thick, it be...

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expansion joints in concrete swimming pools